RATIS-1898. Netty should use EpollEventLoopGroup by default - #931

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szetszwo merged 4 commits into
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RATIS-1898. Netty should use EpollEventLoopGroup by default#931
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What changes were proposed in this pull request?

From Netty documentation (https://netty.io/wiki/native-transports.html), EpollEventLoopGroup generally should have better performance than NioEventLoopGroup and therefore should be used by default. The only reason to use NioEventLoopGroup is if the underlying OS does not support it (EpollEventLoopGroup is only supported in Linux).

From the one of the core developer of Netty (Norman Maurer): https://stackoverflow.com/questions/35568365/netty-epolleventloopgroup-vs-nioeventloopgroup-which-should-i-choose-on-centos

What is the link to the Apache JIRA

https://issues.apache.org/jira/browse/RATIS-1898

How was this patch tested?

Existing tests (NioEventLoopGroup to EpollEventLoopGroup should not introduce regressions).

@ivandika3

ivandika3 commented Oct 4, 2023•
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@szetszwo@guohao-rosicky Could you help take a look if you have time?

@guohao-rosicky It seems that the epoll configuration is introduced on RATIS-1521. Do you use it in your cluster, and if so, are there any performance benefits compared to using the NioEventLoopGroup? Also in the NettyClientStreamRpc it seems that epoll is never used (in RATIS-1549), do you know why is this so?

@ivandika3ivandika3 changed the title RATIS-1898. Netty to use EpollEventLoopGroup by defaultRATIS-1898. Netty should use EpollEventLoopGroup by defaultOct 4, 2023
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@ivandika3 , thanks a lot for working on this!

+1 the change looks good.

@szetszwo
szetszwo merged commit 317bed0 into apache:masterOct 4, 2023
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ivandika3 commented Oct 5, 2023

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Thank you for the review @szetszwo.

symious pushed a commit to symious/ratis that referenced this pull request Mar 25, 2024
@ivandika3@symious
RATIS-1898. Netty should use EpollEventLoopGroup by default (apache#931)
04c87c2
@SteNicholasSteNicholas mentioned this pull request Apr 24, 2024
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ivandika3 deleted the RATIS-1898 branch May 29, 2024 01:55
RexXiong pushed a commit to apache/celeborn that referenced this pull request May 30, 2024
@SteNicholas@RexXiong
[CELEBORN-1400] Bump Ratis version from 2.5.1 to 3.0.1
2a57fab
### What changes were proposed in this pull request?
Bump Ratis version from 2.5.1 to 3.0.1. Address incompatible changes:
- RATIS-589. Eliminate buffer copying in SegmentedRaftLogOutputStream.(apache/ratis#964)
- RATIS-1677. Do not auto format RaftStorage in RECOVER.(apache/ratis#718)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
### Why are the changes needed?
Bump Ratis version from 2.5.1 to 3.0.1. Ratis has released v3.0.0, v3.0.1, which release note refers to [3.0.0](https://ratis.apache.org/post/3.0.0.html), [3.0.1](https://ratis.apache.org/post/3.0.1.html). The 3.0.x version include new features like pluggable metrics and lease read, etc, some improvements and bugfixes including:
- 3.0.0: Change list of ratis 3.0.0 In total, there are roughly 100 commits diffing from 2.5.1 including:
- Incompatible Changes
- RaftStorage Auto-Format
- RATIS-1677. Do not auto format RaftStorage in RECOVER. (apache/ratis#718)
- RATIS-1694. Fix the compatibility issue of RATIS-1677. (apache/ratis#731)
- RATIS-1871. Auto format RaftStorage when there is only one directory configured. (apache/ratis#903)
- Pluggable Ratis-Metrics (RATIS-1688)
- RATIS-1689. Remove the use of the thirdparty Gauge. (apache/ratis#728)
- RATIS-1692. Remove the use of the thirdparty Counter. (apache/ratis#732)
- RATIS-1693. Remove the use of the thirdparty Timer. (apache/ratis#734)
- RATIS-1703. Move MetricsReporting and JvmMetrics to impl. (apache/ratis#741)
- RATIS-1704. Fix SuppressWarnings(“VisibilityModifier”) in RatisMetrics. (apache/ratis#742)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
- RATIS-1712. Add a dropwizard 3 implementation of ratis-metrics-api. (apache/ratis#751)
- RATIS-1391. Update library dropwizard.metrics version to 4.x (apache/ratis#632)
- RATIS-1601. Use the shaded dropwizard metrics and remove the dependency (apache/ratis#671)
- Streaming Protocol Change
- RATIS-1569. Move the asyncRpcApi.sendForward(..) call to the client side. (apache/ratis#635)
- New Features
- Leader Lease (RATIS-1864)
- RATIS-1865. Add leader lease bound ratio configuration (apache/ratis#897)
- RATIS-1866. Maintain leader lease after AppendEntries (apache/ratis#898)
- RATIS-1894. Implement ReadOnly based on leader lease (apache/ratis#925)
- RATIS-1882. Support read-after-write consistency (apache/ratis#913)
- StateMachine API
- RATIS-1874. Add notifyLeaderReady function in IStateMachine (apache/ratis#906)
- RATIS-1897. Make TransactionContext available in DataApi.write(..). (apache/ratis#930)
- New Configuration Properties
- RATIS-1862. Add the parameter whether to take Snapshot when stopping to adapt to different services (apache/ratis#896)
- RATIS-1930. Add a conf for enable/disable majority-add. (apache/ratis#961)
- RATIS-1918. Introduces parameters that separately control the shutdown of RaftServerProxy by JVMPauseMonitor. (apache/ratis#950)
- RATIS-1636. Support re-config ratis properties (apache/ratis#800)
- RATIS-1860. Add ratis-shell cmd to generate a new raft-meta.conf. (apache/ratis#901)
- Improvements & Bug Fixes
- Netty
- RATIS-1898. Netty should use EpollEventLoopGroup by default (apache/ratis#931)
- RATIS-1899. Use EpollEventLoopGroup for Netty Proxies (apache/ratis#932)
- RATIS-1921. Shared worker group in WorkerGroupGetter should be closed. (apache/ratis#955)
- RATIS-1923. Netty: atomic operations require side-effect-free functions. (apache/ratis#956)
- RaftServer
- RATIS-1924. Increase the default of raft.server.log.segment.size.max. (apache/ratis#957)
- RATIS-1892. Unify the lifetime of the RaftServerProxy thread pool (apache/ratis#923)
- RATIS-1889. NoSuchMethodError: RaftServerMetricsImpl.addNumPendingRequestsGauge apache/ratis#922 (apache/ratis#922)
- RATIS-761. Handle writeStateMachineData failure in leader. (apache/ratis#927)
- RATIS-1902. The snapshot index is set incorrectly in InstallSnapshotReplyProto. (apache/ratis#933)
- RATIS-1912. Fix infinity election when perform membership change. (apache/ratis#954)
- RATIS-1858. Follower keeps logging first election timeout. (apache/ratis#894)
- 3.0.1:This is a bugfix release. See the [changes between 3.0.0 and 3.0.1](apache/ratis@ratis-3.0.0...ratis-3.0.1) releases.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Cluster manual test.
Closes#2480 from SteNicholas/CELEBORN-1400.
Authored-by: SteNicholas <programgeek@163.com>
Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com>
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
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})();
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var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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RATIS-1898. Netty should use EpollEventLoopGroup by default - #931
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szetszwo merged 4 commits into
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ivandika3:RATIS-1898
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Merged
RATIS-1898. Netty should use EpollEventLoopGroup by default#931
szetszwo merged 4 commits into
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@ivandika3ivandika3
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What changes were proposed in this pull request?
From Netty documentation (https://netty.io/wiki/native-transports.html), EpollEventLoopGroup generally should have better performance than NioEventLoopGroup and therefore should be used by default. The only reason to use NioEventLoopGroup is if the underlying OS does not support it (EpollEventLoopGroup is only supported in Linux).
From the one of the core developer of Netty (Norman Maurer): https://stackoverflow.com/questions/35568365/netty-epolleventloopgroup-vs-nioeventloopgroup-which-should-i-choose-on-centos
What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/RATIS-1898
How was this patch tested?
Existing tests (NioEventLoopGroup to EpollEventLoopGroup should not introduce regressions).
@ivandika3
ivandika3
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@szetszwo@guohao-rosicky Could you help take a look if you have time?
@guohao-rosicky It seems that the epoll configuration is introduced on RATIS-1521. Do you use it in your cluster, and if so, are there any performance benefits compared to using the NioEventLoopGroup? Also in the NettyClientStreamRpc it seems that epoll is never used (in RATIS-1549), do you know why is this so?
@ivandika3ivandika3
changed the title
RATIS-1898. Netty to use EpollEventLoopGroup by defaultRATIS-1898. Netty should use EpollEventLoopGroup by defaultOct 4, 2023
szetszwo
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@ivandika3 , thanks a lot for working on this!
+1 the change looks good.
@szetszwo
szetszwo
merged commit 317bed0
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apache:masterOct 4, 2023
@ivandika3
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Oct 5, 2023

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Thank you for the review @szetszwo.
symious pushed a commit
to symious/ratis
that referenced
this pull request
Mar 25, 2024
@ivandika3@symious
RATIS-1898. Netty should use EpollEventLoopGroup by default (apache#931)
04c87c2
@SteNicholasSteNicholas
mentioned this pull request
Apr 24, 2024
 Closed

@ivandika3
ivandika3
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RexXiong pushed a commit
to apache/celeborn
that referenced
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May 30, 2024
@SteNicholas@RexXiong
[CELEBORN-1400] Bump Ratis version from 2.5.1 to 3.0.1
2a57fab
### What changes were proposed in this pull request?
Bump Ratis version from 2.5.1 to 3.0.1. Address incompatible changes:
- RATIS-589. Eliminate buffer copying in SegmentedRaftLogOutputStream.(apache/ratis#964)
- RATIS-1677. Do not auto format RaftStorage in RECOVER.(apache/ratis#718)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
### Why are the changes needed?
Bump Ratis version from 2.5.1 to 3.0.1. Ratis has released v3.0.0, v3.0.1, which release note refers to [3.0.0](https://ratis.apache.org/post/3.0.0.html), [3.0.1](https://ratis.apache.org/post/3.0.1.html). The 3.0.x version include new features like pluggable metrics and lease read, etc, some improvements and bugfixes including:
- 3.0.0: Change list of ratis 3.0.0 In total, there are roughly 100 commits diffing from 2.5.1 including:
- Incompatible Changes
- RaftStorage Auto-Format
- RATIS-1677. Do not auto format RaftStorage in RECOVER. (apache/ratis#718)
- RATIS-1694. Fix the compatibility issue of RATIS-1677. (apache/ratis#731)
- RATIS-1871. Auto format RaftStorage when there is only one directory configured. (apache/ratis#903)
- Pluggable Ratis-Metrics (RATIS-1688)
- RATIS-1689. Remove the use of the thirdparty Gauge. (apache/ratis#728)
- RATIS-1692. Remove the use of the thirdparty Counter. (apache/ratis#732)
- RATIS-1693. Remove the use of the thirdparty Timer. (apache/ratis#734)
- RATIS-1703. Move MetricsReporting and JvmMetrics to impl. (apache/ratis#741)
- RATIS-1704. Fix SuppressWarnings(“VisibilityModifier”) in RatisMetrics. (apache/ratis#742)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
- RATIS-1712. Add a dropwizard 3 implementation of ratis-metrics-api. (apache/ratis#751)
- RATIS-1391. Update library dropwizard.metrics version to 4.x (apache/ratis#632)
- RATIS-1601. Use the shaded dropwizard metrics and remove the dependency (apache/ratis#671)
- Streaming Protocol Change
- RATIS-1569. Move the asyncRpcApi.sendForward(..) call to the client side. (apache/ratis#635)
- New Features
- Leader Lease (RATIS-1864)
- RATIS-1865. Add leader lease bound ratio configuration (apache/ratis#897)
- RATIS-1866. Maintain leader lease after AppendEntries (apache/ratis#898)
- RATIS-1894. Implement ReadOnly based on leader lease (apache/ratis#925)
- RATIS-1882. Support read-after-write consistency (apache/ratis#913)
- StateMachine API
- RATIS-1874. Add notifyLeaderReady function in IStateMachine (apache/ratis#906)
- RATIS-1897. Make TransactionContext available in DataApi.write(..). (apache/ratis#930)
- New Configuration Properties
- RATIS-1862. Add the parameter whether to take Snapshot when stopping to adapt to different services (apache/ratis#896)
- RATIS-1930. Add a conf for enable/disable majority-add. (apache/ratis#961)
- RATIS-1918. Introduces parameters that separately control the shutdown of RaftServerProxy by JVMPauseMonitor. (apache/ratis#950)
- RATIS-1636. Support re-config ratis properties (apache/ratis#800)
- RATIS-1860. Add ratis-shell cmd to generate a new raft-meta.conf. (apache/ratis#901)
- Improvements & Bug Fixes
- Netty
- RATIS-1898. Netty should use EpollEventLoopGroup by default (apache/ratis#931)
- RATIS-1899. Use EpollEventLoopGroup for Netty Proxies (apache/ratis#932)
- RATIS-1921. Shared worker group in WorkerGroupGetter should be closed. (apache/ratis#955)
- RATIS-1923. Netty: atomic operations require side-effect-free functions. (apache/ratis#956)
- RaftServer
- RATIS-1924. Increase the default of raft.server.log.segment.size.max. (apache/ratis#957)
- RATIS-1892. Unify the lifetime of the RaftServerProxy thread pool (apache/ratis#923)
- RATIS-1889. NoSuchMethodError: RaftServerMetricsImpl.addNumPendingRequestsGauge apache/ratis#922 (apache/ratis#922)
- RATIS-761. Handle writeStateMachineData failure in leader. (apache/ratis#927)
- RATIS-1902. The snapshot index is set incorrectly in InstallSnapshotReplyProto. (apache/ratis#933)
- RATIS-1912. Fix infinity election when perform membership change. (apache/ratis#954)
- RATIS-1858. Follower keeps logging first election timeout. (apache/ratis#894)
- 3.0.1:This is a bugfix release. See the [changes between 3.0.0 and 3.0.1](apache/ratis@ratis-3.0.0...ratis-3.0.1) releases.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Cluster manual test.
Closes#2480 from SteNicholas/CELEBORN-1400.
Authored-by: SteNicholas <programgeek@163.com>
Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com>
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, 'i');
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})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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RATIS-1898. Netty should use EpollEventLoopGroup by default - #931
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szetszwo merged 4 commits into
apache:masterfrom 
ivandika3:RATIS-1898
Oct 4, 2023
Merged
RATIS-1898. Netty should use EpollEventLoopGroup by default#931
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@ivandika3ivandika3
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What changes were proposed in this pull request?
From Netty documentation (https://netty.io/wiki/native-transports.html), EpollEventLoopGroup generally should have better performance than NioEventLoopGroup and therefore should be used by default. The only reason to use NioEventLoopGroup is if the underlying OS does not support it (EpollEventLoopGroup is only supported in Linux).
From the one of the core developer of Netty (Norman Maurer): https://stackoverflow.com/questions/35568365/netty-epolleventloopgroup-vs-nioeventloopgroup-which-should-i-choose-on-centos
What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/RATIS-1898
How was this patch tested?
Existing tests (NioEventLoopGroup to EpollEventLoopGroup should not introduce regressions).
@ivandika3
ivandika3
commented
Oct 4, 2023•

edited

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@szetszwo@guohao-rosicky Could you help take a look if you have time?
@guohao-rosicky It seems that the epoll configuration is introduced on RATIS-1521. Do you use it in your cluster, and if so, are there any performance benefits compared to using the NioEventLoopGroup? Also in the NettyClientStreamRpc it seems that epoll is never used (in RATIS-1549), do you know why is this so?
@ivandika3ivandika3
changed the title
RATIS-1898. Netty to use EpollEventLoopGroup by defaultRATIS-1898. Netty should use EpollEventLoopGroup by defaultOct 4, 2023
szetszwo
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@ivandika3 , thanks a lot for working on this!
+1 the change looks good.
@szetszwo
szetszwo
merged commit 317bed0
into
apache:masterOct 4, 2023
@ivandika3
ivandika3
commented
Oct 5, 2023

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Thank you for the review @szetszwo.
symious pushed a commit
to symious/ratis
that referenced
this pull request
Mar 25, 2024
@ivandika3@symious
RATIS-1898. Netty should use EpollEventLoopGroup by default (apache#931)
04c87c2
@SteNicholasSteNicholas
mentioned this pull request
Apr 24, 2024
 Closed

@ivandika3
ivandika3
deleted the

RATIS-1898

branch
May 29, 2024 01:55
RexXiong pushed a commit
to apache/celeborn
that referenced
this pull request
May 30, 2024
@SteNicholas@RexXiong
[CELEBORN-1400] Bump Ratis version from 2.5.1 to 3.0.1
2a57fab
### What changes were proposed in this pull request?
Bump Ratis version from 2.5.1 to 3.0.1. Address incompatible changes:
- RATIS-589. Eliminate buffer copying in SegmentedRaftLogOutputStream.(apache/ratis#964)
- RATIS-1677. Do not auto format RaftStorage in RECOVER.(apache/ratis#718)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
### Why are the changes needed?
Bump Ratis version from 2.5.1 to 3.0.1. Ratis has released v3.0.0, v3.0.1, which release note refers to [3.0.0](https://ratis.apache.org/post/3.0.0.html), [3.0.1](https://ratis.apache.org/post/3.0.1.html). The 3.0.x version include new features like pluggable metrics and lease read, etc, some improvements and bugfixes including:
- 3.0.0: Change list of ratis 3.0.0 In total, there are roughly 100 commits diffing from 2.5.1 including:
- Incompatible Changes
- RaftStorage Auto-Format
- RATIS-1677. Do not auto format RaftStorage in RECOVER. (apache/ratis#718)
- RATIS-1694. Fix the compatibility issue of RATIS-1677. (apache/ratis#731)
- RATIS-1871. Auto format RaftStorage when there is only one directory configured. (apache/ratis#903)
- Pluggable Ratis-Metrics (RATIS-1688)
- RATIS-1689. Remove the use of the thirdparty Gauge. (apache/ratis#728)
- RATIS-1692. Remove the use of the thirdparty Counter. (apache/ratis#732)
- RATIS-1693. Remove the use of the thirdparty Timer. (apache/ratis#734)
- RATIS-1703. Move MetricsReporting and JvmMetrics to impl. (apache/ratis#741)
- RATIS-1704. Fix SuppressWarnings(“VisibilityModifier”) in RatisMetrics. (apache/ratis#742)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
- RATIS-1712. Add a dropwizard 3 implementation of ratis-metrics-api. (apache/ratis#751)
- RATIS-1391. Update library dropwizard.metrics version to 4.x (apache/ratis#632)
- RATIS-1601. Use the shaded dropwizard metrics and remove the dependency (apache/ratis#671)
- Streaming Protocol Change
- RATIS-1569. Move the asyncRpcApi.sendForward(..) call to the client side. (apache/ratis#635)
- New Features
- Leader Lease (RATIS-1864)
- RATIS-1865. Add leader lease bound ratio configuration (apache/ratis#897)
- RATIS-1866. Maintain leader lease after AppendEntries (apache/ratis#898)
- RATIS-1894. Implement ReadOnly based on leader lease (apache/ratis#925)
- RATIS-1882. Support read-after-write consistency (apache/ratis#913)
- StateMachine API
- RATIS-1874. Add notifyLeaderReady function in IStateMachine (apache/ratis#906)
- RATIS-1897. Make TransactionContext available in DataApi.write(..). (apache/ratis#930)
- New Configuration Properties
- RATIS-1862. Add the parameter whether to take Snapshot when stopping to adapt to different services (apache/ratis#896)
- RATIS-1930. Add a conf for enable/disable majority-add. (apache/ratis#961)
- RATIS-1918. Introduces parameters that separately control the shutdown of RaftServerProxy by JVMPauseMonitor. (apache/ratis#950)
- RATIS-1636. Support re-config ratis properties (apache/ratis#800)
- RATIS-1860. Add ratis-shell cmd to generate a new raft-meta.conf. (apache/ratis#901)
- Improvements & Bug Fixes
- Netty
- RATIS-1898. Netty should use EpollEventLoopGroup by default (apache/ratis#931)
- RATIS-1899. Use EpollEventLoopGroup for Netty Proxies (apache/ratis#932)
- RATIS-1921. Shared worker group in WorkerGroupGetter should be closed. (apache/ratis#955)
- RATIS-1923. Netty: atomic operations require side-effect-free functions. (apache/ratis#956)
- RaftServer
- RATIS-1924. Increase the default of raft.server.log.segment.size.max. (apache/ratis#957)
- RATIS-1892. Unify the lifetime of the RaftServerProxy thread pool (apache/ratis#923)
- RATIS-1889. NoSuchMethodError: RaftServerMetricsImpl.addNumPendingRequestsGauge apache/ratis#922 (apache/ratis#922)
- RATIS-761. Handle writeStateMachineData failure in leader. (apache/ratis#927)
- RATIS-1902. The snapshot index is set incorrectly in InstallSnapshotReplyProto. (apache/ratis#933)
- RATIS-1912. Fix infinity election when perform membership change. (apache/ratis#954)
- RATIS-1858. Follower keeps logging first election timeout. (apache/ratis#894)
- 3.0.1:This is a bugfix release. See the [changes between 3.0.0 and 3.0.1](apache/ratis@ratis-3.0.0...ratis-3.0.1) releases.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Cluster manual test.
Closes#2480 from SteNicholas/CELEBORN-1400.
Authored-by: SteNicholas <programgeek@163.com>
Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com>
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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RATIS-1898. Netty should use EpollEventLoopGroup by default - #931
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szetszwo merged 4 commits into
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ivandika3:RATIS-1898
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Merged
RATIS-1898. Netty should use EpollEventLoopGroup by default#931
szetszwo merged 4 commits into
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ivandika3:RATIS-1898
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@ivandika3ivandika3
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What changes were proposed in this pull request?
From Netty documentation (https://netty.io/wiki/native-transports.html), EpollEventLoopGroup generally should have better performance than NioEventLoopGroup and therefore should be used by default. The only reason to use NioEventLoopGroup is if the underlying OS does not support it (EpollEventLoopGroup is only supported in Linux).
From the one of the core developer of Netty (Norman Maurer): https://stackoverflow.com/questions/35568365/netty-epolleventloopgroup-vs-nioeventloopgroup-which-should-i-choose-on-centos
What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/RATIS-1898
How was this patch tested?
Existing tests (NioEventLoopGroup to EpollEventLoopGroup should not introduce regressions).
@ivandika3
ivandika3
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@szetszwo@guohao-rosicky Could you help take a look if you have time?
@guohao-rosicky It seems that the epoll configuration is introduced on RATIS-1521. Do you use it in your cluster, and if so, are there any performance benefits compared to using the NioEventLoopGroup? Also in the NettyClientStreamRpc it seems that epoll is never used (in RATIS-1549), do you know why is this so?
@ivandika3ivandika3
changed the title
RATIS-1898. Netty to use EpollEventLoopGroup by defaultRATIS-1898. Netty should use EpollEventLoopGroup by defaultOct 4, 2023
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@ivandika3 , thanks a lot for working on this!
+1 the change looks good.
@szetszwo
szetszwo
merged commit 317bed0
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apache:masterOct 4, 2023
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Thank you for the review @szetszwo.
symious pushed a commit
to symious/ratis
that referenced
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Mar 25, 2024
@ivandika3@symious
RATIS-1898. Netty should use EpollEventLoopGroup by default (apache#931)
04c87c2
@SteNicholasSteNicholas
mentioned this pull request
Apr 24, 2024
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May 29, 2024 01:55
RexXiong pushed a commit
to apache/celeborn
that referenced
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May 30, 2024
@SteNicholas@RexXiong
[CELEBORN-1400] Bump Ratis version from 2.5.1 to 3.0.1
2a57fab
### What changes were proposed in this pull request?
Bump Ratis version from 2.5.1 to 3.0.1. Address incompatible changes:
- RATIS-589. Eliminate buffer copying in SegmentedRaftLogOutputStream.(apache/ratis#964)
- RATIS-1677. Do not auto format RaftStorage in RECOVER.(apache/ratis#718)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
### Why are the changes needed?
Bump Ratis version from 2.5.1 to 3.0.1. Ratis has released v3.0.0, v3.0.1, which release note refers to [3.0.0](https://ratis.apache.org/post/3.0.0.html), [3.0.1](https://ratis.apache.org/post/3.0.1.html). The 3.0.x version include new features like pluggable metrics and lease read, etc, some improvements and bugfixes including:
- 3.0.0: Change list of ratis 3.0.0 In total, there are roughly 100 commits diffing from 2.5.1 including:
- Incompatible Changes
- RaftStorage Auto-Format
- RATIS-1677. Do not auto format RaftStorage in RECOVER. (apache/ratis#718)
- RATIS-1694. Fix the compatibility issue of RATIS-1677. (apache/ratis#731)
- RATIS-1871. Auto format RaftStorage when there is only one directory configured. (apache/ratis#903)
- Pluggable Ratis-Metrics (RATIS-1688)
- RATIS-1689. Remove the use of the thirdparty Gauge. (apache/ratis#728)
- RATIS-1692. Remove the use of the thirdparty Counter. (apache/ratis#732)
- RATIS-1693. Remove the use of the thirdparty Timer. (apache/ratis#734)
- RATIS-1703. Move MetricsReporting and JvmMetrics to impl. (apache/ratis#741)
- RATIS-1704. Fix SuppressWarnings(“VisibilityModifier”) in RatisMetrics. (apache/ratis#742)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
- RATIS-1712. Add a dropwizard 3 implementation of ratis-metrics-api. (apache/ratis#751)
- RATIS-1391. Update library dropwizard.metrics version to 4.x (apache/ratis#632)
- RATIS-1601. Use the shaded dropwizard metrics and remove the dependency (apache/ratis#671)
- Streaming Protocol Change
- RATIS-1569. Move the asyncRpcApi.sendForward(..) call to the client side. (apache/ratis#635)
- New Features
- Leader Lease (RATIS-1864)
- RATIS-1865. Add leader lease bound ratio configuration (apache/ratis#897)
- RATIS-1866. Maintain leader lease after AppendEntries (apache/ratis#898)
- RATIS-1894. Implement ReadOnly based on leader lease (apache/ratis#925)
- RATIS-1882. Support read-after-write consistency (apache/ratis#913)
- StateMachine API
- RATIS-1874. Add notifyLeaderReady function in IStateMachine (apache/ratis#906)
- RATIS-1897. Make TransactionContext available in DataApi.write(..). (apache/ratis#930)
- New Configuration Properties
- RATIS-1862. Add the parameter whether to take Snapshot when stopping to adapt to different services (apache/ratis#896)
- RATIS-1930. Add a conf for enable/disable majority-add. (apache/ratis#961)
- RATIS-1918. Introduces parameters that separately control the shutdown of RaftServerProxy by JVMPauseMonitor. (apache/ratis#950)
- RATIS-1636. Support re-config ratis properties (apache/ratis#800)
- RATIS-1860. Add ratis-shell cmd to generate a new raft-meta.conf. (apache/ratis#901)
- Improvements & Bug Fixes
- Netty
- RATIS-1898. Netty should use EpollEventLoopGroup by default (apache/ratis#931)
- RATIS-1899. Use EpollEventLoopGroup for Netty Proxies (apache/ratis#932)
- RATIS-1921. Shared worker group in WorkerGroupGetter should be closed. (apache/ratis#955)
- RATIS-1923. Netty: atomic operations require side-effect-free functions. (apache/ratis#956)
- RaftServer
- RATIS-1924. Increase the default of raft.server.log.segment.size.max. (apache/ratis#957)
- RATIS-1892. Unify the lifetime of the RaftServerProxy thread pool (apache/ratis#923)
- RATIS-1889. NoSuchMethodError: RaftServerMetricsImpl.addNumPendingRequestsGauge apache/ratis#922 (apache/ratis#922)
- RATIS-761. Handle writeStateMachineData failure in leader. (apache/ratis#927)
- RATIS-1902. The snapshot index is set incorrectly in InstallSnapshotReplyProto. (apache/ratis#933)
- RATIS-1912. Fix infinity election when perform membership change. (apache/ratis#954)
- RATIS-1858. Follower keeps logging first election timeout. (apache/ratis#894)
- 3.0.1:This is a bugfix release. See the [changes between 3.0.0 and 3.0.1](apache/ratis@ratis-3.0.0...ratis-3.0.1) releases.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Cluster manual test.
Closes#2480 from SteNicholas/CELEBORN-1400.
Authored-by: SteNicholas <programgeek@163.com>
Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com>
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@ivandika3@szetszwo

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
RATIS-1898. Netty should use EpollEventLoopGroup by default - #931
Merged
szetszwo merged 4 commits into
apache:masterfrom 
ivandika3:RATIS-1898
Oct 4, 2023
Merged
RATIS-1898. Netty should use EpollEventLoopGroup by default#931
szetszwo merged 4 commits into
apache:masterfrom 
ivandika3:RATIS-1898
Conversation
@ivandika3
@ivandika3ivandika3
commented
Oct 4, 2023•

edited

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What changes were proposed in this pull request?
From Netty documentation (https://netty.io/wiki/native-transports.html), EpollEventLoopGroup generally should have better performance than NioEventLoopGroup and therefore should be used by default. The only reason to use NioEventLoopGroup is if the underlying OS does not support it (EpollEventLoopGroup is only supported in Linux).
From the one of the core developer of Netty (Norman Maurer): https://stackoverflow.com/questions/35568365/netty-epolleventloopgroup-vs-nioeventloopgroup-which-should-i-choose-on-centos
What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/RATIS-1898
How was this patch tested?
Existing tests (NioEventLoopGroup to EpollEventLoopGroup should not introduce regressions).
@ivandika3
ivandika3
commented
Oct 4, 2023•

edited

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@szetszwo@guohao-rosicky Could you help take a look if you have time?
@guohao-rosicky It seems that the epoll configuration is introduced on RATIS-1521. Do you use it in your cluster, and if so, are there any performance benefits compared to using the NioEventLoopGroup? Also in the NettyClientStreamRpc it seems that epoll is never used (in RATIS-1549), do you know why is this so?
@ivandika3ivandika3
changed the title
RATIS-1898. Netty to use EpollEventLoopGroup by defaultRATIS-1898. Netty should use EpollEventLoopGroup by defaultOct 4, 2023
szetszwo
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@ivandika3 , thanks a lot for working on this!
+1 the change looks good.
@szetszwo
szetszwo
merged commit 317bed0
into
apache:masterOct 4, 2023
@ivandika3
ivandika3
commented
Oct 5, 2023

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Thank you for the review @szetszwo.
symious pushed a commit
to symious/ratis
that referenced
this pull request
Mar 25, 2024
@ivandika3@symious
RATIS-1898. Netty should use EpollEventLoopGroup by default (apache#931)
04c87c2
@SteNicholasSteNicholas
mentioned this pull request
Apr 24, 2024
 Closed

@ivandika3
ivandika3
deleted the

RATIS-1898

branch
May 29, 2024 01:55
RexXiong pushed a commit
to apache/celeborn
that referenced
this pull request
May 30, 2024
@SteNicholas@RexXiong
[CELEBORN-1400] Bump Ratis version from 2.5.1 to 3.0.1
2a57fab
### What changes were proposed in this pull request?
Bump Ratis version from 2.5.1 to 3.0.1. Address incompatible changes:
- RATIS-589. Eliminate buffer copying in SegmentedRaftLogOutputStream.(apache/ratis#964)
- RATIS-1677. Do not auto format RaftStorage in RECOVER.(apache/ratis#718)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
### Why are the changes needed?
Bump Ratis version from 2.5.1 to 3.0.1. Ratis has released v3.0.0, v3.0.1, which release note refers to [3.0.0](https://ratis.apache.org/post/3.0.0.html), [3.0.1](https://ratis.apache.org/post/3.0.1.html). The 3.0.x version include new features like pluggable metrics and lease read, etc, some improvements and bugfixes including:
- 3.0.0: Change list of ratis 3.0.0 In total, there are roughly 100 commits diffing from 2.5.1 including:
- Incompatible Changes
- RaftStorage Auto-Format
- RATIS-1677. Do not auto format RaftStorage in RECOVER. (apache/ratis#718)
- RATIS-1694. Fix the compatibility issue of RATIS-1677. (apache/ratis#731)
- RATIS-1871. Auto format RaftStorage when there is only one directory configured. (apache/ratis#903)
- Pluggable Ratis-Metrics (RATIS-1688)
- RATIS-1689. Remove the use of the thirdparty Gauge. (apache/ratis#728)
- RATIS-1692. Remove the use of the thirdparty Counter. (apache/ratis#732)
- RATIS-1693. Remove the use of the thirdparty Timer. (apache/ratis#734)
- RATIS-1703. Move MetricsReporting and JvmMetrics to impl. (apache/ratis#741)
- RATIS-1704. Fix SuppressWarnings(“VisibilityModifier”) in RatisMetrics. (apache/ratis#742)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
- RATIS-1712. Add a dropwizard 3 implementation of ratis-metrics-api. (apache/ratis#751)
- RATIS-1391. Update library dropwizard.metrics version to 4.x (apache/ratis#632)
- RATIS-1601. Use the shaded dropwizard metrics and remove the dependency (apache/ratis#671)
- Streaming Protocol Change
- RATIS-1569. Move the asyncRpcApi.sendForward(..) call to the client side. (apache/ratis#635)
- New Features
- Leader Lease (RATIS-1864)
- RATIS-1865. Add leader lease bound ratio configuration (apache/ratis#897)
- RATIS-1866. Maintain leader lease after AppendEntries (apache/ratis#898)
- RATIS-1894. Implement ReadOnly based on leader lease (apache/ratis#925)
- RATIS-1882. Support read-after-write consistency (apache/ratis#913)
- StateMachine API
- RATIS-1874. Add notifyLeaderReady function in IStateMachine (apache/ratis#906)
- RATIS-1897. Make TransactionContext available in DataApi.write(..). (apache/ratis#930)
- New Configuration Properties
- RATIS-1862. Add the parameter whether to take Snapshot when stopping to adapt to different services (apache/ratis#896)
- RATIS-1930. Add a conf for enable/disable majority-add. (apache/ratis#961)
- RATIS-1918. Introduces parameters that separately control the shutdown of RaftServerProxy by JVMPauseMonitor. (apache/ratis#950)
- RATIS-1636. Support re-config ratis properties (apache/ratis#800)
- RATIS-1860. Add ratis-shell cmd to generate a new raft-meta.conf. (apache/ratis#901)
- Improvements & Bug Fixes
- Netty
- RATIS-1898. Netty should use EpollEventLoopGroup by default (apache/ratis#931)
- RATIS-1899. Use EpollEventLoopGroup for Netty Proxies (apache/ratis#932)
- RATIS-1921. Shared worker group in WorkerGroupGetter should be closed. (apache/ratis#955)
- RATIS-1923. Netty: atomic operations require side-effect-free functions. (apache/ratis#956)
- RaftServer
- RATIS-1924. Increase the default of raft.server.log.segment.size.max. (apache/ratis#957)
- RATIS-1892. Unify the lifetime of the RaftServerProxy thread pool (apache/ratis#923)
- RATIS-1889. NoSuchMethodError: RaftServerMetricsImpl.addNumPendingRequestsGauge apache/ratis#922 (apache/ratis#922)
- RATIS-761. Handle writeStateMachineData failure in leader. (apache/ratis#927)
- RATIS-1902. The snapshot index is set incorrectly in InstallSnapshotReplyProto. (apache/ratis#933)
- RATIS-1912. Fix infinity election when perform membership change. (apache/ratis#954)
- RATIS-1858. Follower keeps logging first election timeout. (apache/ratis#894)
- 3.0.1:This is a bugfix release. See the [changes between 3.0.0 and 3.0.1](apache/ratis@ratis-3.0.0...ratis-3.0.1) releases.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Cluster manual test.
Closes#2480 from SteNicholas/CELEBORN-1400.
Authored-by: SteNicholas <programgeek@163.com>
Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com>
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
RATIS-1898. Netty should use EpollEventLoopGroup by default - #931
Merged
szetszwo merged 4 commits into
apache:masterfrom 
ivandika3:RATIS-1898
Oct 4, 2023
Merged
RATIS-1898. Netty should use EpollEventLoopGroup by default#931
szetszwo merged 4 commits into
apache:masterfrom 
ivandika3:RATIS-1898
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@ivandika3
@ivandika3ivandika3
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What changes were proposed in this pull request?
From Netty documentation (https://netty.io/wiki/native-transports.html), EpollEventLoopGroup generally should have better performance than NioEventLoopGroup and therefore should be used by default. The only reason to use NioEventLoopGroup is if the underlying OS does not support it (EpollEventLoopGroup is only supported in Linux).
From the one of the core developer of Netty (Norman Maurer): https://stackoverflow.com/questions/35568365/netty-epolleventloopgroup-vs-nioeventloopgroup-which-should-i-choose-on-centos
What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/RATIS-1898
How was this patch tested?
Existing tests (NioEventLoopGroup to EpollEventLoopGroup should not introduce regressions).
@ivandika3
ivandika3
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@szetszwo@guohao-rosicky Could you help take a look if you have time?
@guohao-rosicky It seems that the epoll configuration is introduced on RATIS-1521. Do you use it in your cluster, and if so, are there any performance benefits compared to using the NioEventLoopGroup? Also in the NettyClientStreamRpc it seems that epoll is never used (in RATIS-1549), do you know why is this so?
@ivandika3ivandika3
changed the title
RATIS-1898. Netty to use EpollEventLoopGroup by defaultRATIS-1898. Netty should use EpollEventLoopGroup by defaultOct 4, 2023
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@ivandika3 , thanks a lot for working on this!
+1 the change looks good.
@szetszwo
szetszwo
merged commit 317bed0
into
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@ivandika3
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Thank you for the review @szetszwo.
symious pushed a commit
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Mar 25, 2024
@ivandika3@symious
RATIS-1898. Netty should use EpollEventLoopGroup by default (apache#931)
04c87c2
@SteNicholasSteNicholas
mentioned this pull request
Apr 24, 2024
 Closed

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ivandika3
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RexXiong pushed a commit
to apache/celeborn
that referenced
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May 30, 2024
@SteNicholas@RexXiong
[CELEBORN-1400] Bump Ratis version from 2.5.1 to 3.0.1
2a57fab
### What changes were proposed in this pull request?
Bump Ratis version from 2.5.1 to 3.0.1. Address incompatible changes:
- RATIS-589. Eliminate buffer copying in SegmentedRaftLogOutputStream.(apache/ratis#964)
- RATIS-1677. Do not auto format RaftStorage in RECOVER.(apache/ratis#718)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
### Why are the changes needed?
Bump Ratis version from 2.5.1 to 3.0.1. Ratis has released v3.0.0, v3.0.1, which release note refers to [3.0.0](https://ratis.apache.org/post/3.0.0.html), [3.0.1](https://ratis.apache.org/post/3.0.1.html). The 3.0.x version include new features like pluggable metrics and lease read, etc, some improvements and bugfixes including:
- 3.0.0: Change list of ratis 3.0.0 In total, there are roughly 100 commits diffing from 2.5.1 including:
- Incompatible Changes
- RaftStorage Auto-Format
- RATIS-1677. Do not auto format RaftStorage in RECOVER. (apache/ratis#718)
- RATIS-1694. Fix the compatibility issue of RATIS-1677. (apache/ratis#731)
- RATIS-1871. Auto format RaftStorage when there is only one directory configured. (apache/ratis#903)
- Pluggable Ratis-Metrics (RATIS-1688)
- RATIS-1689. Remove the use of the thirdparty Gauge. (apache/ratis#728)
- RATIS-1692. Remove the use of the thirdparty Counter. (apache/ratis#732)
- RATIS-1693. Remove the use of the thirdparty Timer. (apache/ratis#734)
- RATIS-1703. Move MetricsReporting and JvmMetrics to impl. (apache/ratis#741)
- RATIS-1704. Fix SuppressWarnings(“VisibilityModifier”) in RatisMetrics. (apache/ratis#742)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
- RATIS-1712. Add a dropwizard 3 implementation of ratis-metrics-api. (apache/ratis#751)
- RATIS-1391. Update library dropwizard.metrics version to 4.x (apache/ratis#632)
- RATIS-1601. Use the shaded dropwizard metrics and remove the dependency (apache/ratis#671)
- Streaming Protocol Change
- RATIS-1569. Move the asyncRpcApi.sendForward(..) call to the client side. (apache/ratis#635)
- New Features
- Leader Lease (RATIS-1864)
- RATIS-1865. Add leader lease bound ratio configuration (apache/ratis#897)
- RATIS-1866. Maintain leader lease after AppendEntries (apache/ratis#898)
- RATIS-1894. Implement ReadOnly based on leader lease (apache/ratis#925)
- RATIS-1882. Support read-after-write consistency (apache/ratis#913)
- StateMachine API
- RATIS-1874. Add notifyLeaderReady function in IStateMachine (apache/ratis#906)
- RATIS-1897. Make TransactionContext available in DataApi.write(..). (apache/ratis#930)
- New Configuration Properties
- RATIS-1862. Add the parameter whether to take Snapshot when stopping to adapt to different services (apache/ratis#896)
- RATIS-1930. Add a conf for enable/disable majority-add. (apache/ratis#961)
- RATIS-1918. Introduces parameters that separately control the shutdown of RaftServerProxy by JVMPauseMonitor. (apache/ratis#950)
- RATIS-1636. Support re-config ratis properties (apache/ratis#800)
- RATIS-1860. Add ratis-shell cmd to generate a new raft-meta.conf. (apache/ratis#901)
- Improvements & Bug Fixes
- Netty
- RATIS-1898. Netty should use EpollEventLoopGroup by default (apache/ratis#931)
- RATIS-1899. Use EpollEventLoopGroup for Netty Proxies (apache/ratis#932)
- RATIS-1921. Shared worker group in WorkerGroupGetter should be closed. (apache/ratis#955)
- RATIS-1923. Netty: atomic operations require side-effect-free functions. (apache/ratis#956)
- RaftServer
- RATIS-1924. Increase the default of raft.server.log.segment.size.max. (apache/ratis#957)
- RATIS-1892. Unify the lifetime of the RaftServerProxy thread pool (apache/ratis#923)
- RATIS-1889. NoSuchMethodError: RaftServerMetricsImpl.addNumPendingRequestsGauge apache/ratis#922 (apache/ratis#922)
- RATIS-761. Handle writeStateMachineData failure in leader. (apache/ratis#927)
- RATIS-1902. The snapshot index is set incorrectly in InstallSnapshotReplyProto. (apache/ratis#933)
- RATIS-1912. Fix infinity election when perform membership change. (apache/ratis#954)
- RATIS-1858. Follower keeps logging first election timeout. (apache/ratis#894)
- 3.0.1:This is a bugfix release. See the [changes between 3.0.0 and 3.0.1](apache/ratis@ratis-3.0.0...ratis-3.0.1) releases.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Cluster manual test.
Closes#2480 from SteNicholas/CELEBORN-1400.
Authored-by: SteNicholas <programgeek@163.com>
Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com>
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@ivandika3@szetszwo

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
RATIS-1898. Netty should use EpollEventLoopGroup by default - #931
Merged
szetszwo merged 4 commits into
apache:masterfrom 
ivandika3:RATIS-1898
Oct 4, 2023
Merged
RATIS-1898. Netty should use EpollEventLoopGroup by default#931
szetszwo merged 4 commits into
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ivandika3:RATIS-1898
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@ivandika3
@ivandika3ivandika3
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Oct 4, 2023•

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Contributor
What changes were proposed in this pull request?
From Netty documentation (https://netty.io/wiki/native-transports.html), EpollEventLoopGroup generally should have better performance than NioEventLoopGroup and therefore should be used by default. The only reason to use NioEventLoopGroup is if the underlying OS does not support it (EpollEventLoopGroup is only supported in Linux).
From the one of the core developer of Netty (Norman Maurer): https://stackoverflow.com/questions/35568365/netty-epolleventloopgroup-vs-nioeventloopgroup-which-should-i-choose-on-centos
What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/RATIS-1898
How was this patch tested?
Existing tests (NioEventLoopGroup to EpollEventLoopGroup should not introduce regressions).
@ivandika3
ivandika3
commented
Oct 4, 2023•

edited

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ContributorAuthor
@szetszwo@guohao-rosicky Could you help take a look if you have time?
@guohao-rosicky It seems that the epoll configuration is introduced on RATIS-1521. Do you use it in your cluster, and if so, are there any performance benefits compared to using the NioEventLoopGroup? Also in the NettyClientStreamRpc it seems that epoll is never used (in RATIS-1549), do you know why is this so?
@ivandika3ivandika3
changed the title
RATIS-1898. Netty to use EpollEventLoopGroup by defaultRATIS-1898. Netty should use EpollEventLoopGroup by defaultOct 4, 2023
szetszwo
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@ivandika3 , thanks a lot for working on this!
+1 the change looks good.
@szetszwo
szetszwo
merged commit 317bed0
into
apache:masterOct 4, 2023
@ivandika3
ivandika3
commented
Oct 5, 2023

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Thank you for the review @szetszwo.
symious pushed a commit
to symious/ratis
that referenced
this pull request
Mar 25, 2024
@ivandika3@symious
RATIS-1898. Netty should use EpollEventLoopGroup by default (apache#931)
04c87c2
@SteNicholasSteNicholas
mentioned this pull request
Apr 24, 2024
 Closed

@ivandika3
ivandika3
deleted the

RATIS-1898

branch
May 29, 2024 01:55
RexXiong pushed a commit
to apache/celeborn
that referenced
this pull request
May 30, 2024
@SteNicholas@RexXiong
[CELEBORN-1400] Bump Ratis version from 2.5.1 to 3.0.1
2a57fab
### What changes were proposed in this pull request?
Bump Ratis version from 2.5.1 to 3.0.1. Address incompatible changes:
- RATIS-589. Eliminate buffer copying in SegmentedRaftLogOutputStream.(apache/ratis#964)
- RATIS-1677. Do not auto format RaftStorage in RECOVER.(apache/ratis#718)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
### Why are the changes needed?
Bump Ratis version from 2.5.1 to 3.0.1. Ratis has released v3.0.0, v3.0.1, which release note refers to [3.0.0](https://ratis.apache.org/post/3.0.0.html), [3.0.1](https://ratis.apache.org/post/3.0.1.html). The 3.0.x version include new features like pluggable metrics and lease read, etc, some improvements and bugfixes including:
- 3.0.0: Change list of ratis 3.0.0 In total, there are roughly 100 commits diffing from 2.5.1 including:
- Incompatible Changes
- RaftStorage Auto-Format
- RATIS-1677. Do not auto format RaftStorage in RECOVER. (apache/ratis#718)
- RATIS-1694. Fix the compatibility issue of RATIS-1677. (apache/ratis#731)
- RATIS-1871. Auto format RaftStorage when there is only one directory configured. (apache/ratis#903)
- Pluggable Ratis-Metrics (RATIS-1688)
- RATIS-1689. Remove the use of the thirdparty Gauge. (apache/ratis#728)
- RATIS-1692. Remove the use of the thirdparty Counter. (apache/ratis#732)
- RATIS-1693. Remove the use of the thirdparty Timer. (apache/ratis#734)
- RATIS-1703. Move MetricsReporting and JvmMetrics to impl. (apache/ratis#741)
- RATIS-1704. Fix SuppressWarnings(“VisibilityModifier”) in RatisMetrics. (apache/ratis#742)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
- RATIS-1712. Add a dropwizard 3 implementation of ratis-metrics-api. (apache/ratis#751)
- RATIS-1391. Update library dropwizard.metrics version to 4.x (apache/ratis#632)
- RATIS-1601. Use the shaded dropwizard metrics and remove the dependency (apache/ratis#671)
- Streaming Protocol Change
- RATIS-1569. Move the asyncRpcApi.sendForward(..) call to the client side. (apache/ratis#635)
- New Features
- Leader Lease (RATIS-1864)
- RATIS-1865. Add leader lease bound ratio configuration (apache/ratis#897)
- RATIS-1866. Maintain leader lease after AppendEntries (apache/ratis#898)
- RATIS-1894. Implement ReadOnly based on leader lease (apache/ratis#925)
- RATIS-1882. Support read-after-write consistency (apache/ratis#913)
- StateMachine API
- RATIS-1874. Add notifyLeaderReady function in IStateMachine (apache/ratis#906)
- RATIS-1897. Make TransactionContext available in DataApi.write(..). (apache/ratis#930)
- New Configuration Properties
- RATIS-1862. Add the parameter whether to take Snapshot when stopping to adapt to different services (apache/ratis#896)
- RATIS-1930. Add a conf for enable/disable majority-add. (apache/ratis#961)
- RATIS-1918. Introduces parameters that separately control the shutdown of RaftServerProxy by JVMPauseMonitor. (apache/ratis#950)
- RATIS-1636. Support re-config ratis properties (apache/ratis#800)
- RATIS-1860. Add ratis-shell cmd to generate a new raft-meta.conf. (apache/ratis#901)
- Improvements & Bug Fixes
- Netty
- RATIS-1898. Netty should use EpollEventLoopGroup by default (apache/ratis#931)
- RATIS-1899. Use EpollEventLoopGroup for Netty Proxies (apache/ratis#932)
- RATIS-1921. Shared worker group in WorkerGroupGetter should be closed. (apache/ratis#955)
- RATIS-1923. Netty: atomic operations require side-effect-free functions. (apache/ratis#956)
- RaftServer
- RATIS-1924. Increase the default of raft.server.log.segment.size.max. (apache/ratis#957)
- RATIS-1892. Unify the lifetime of the RaftServerProxy thread pool (apache/ratis#923)
- RATIS-1889. NoSuchMethodError: RaftServerMetricsImpl.addNumPendingRequestsGauge apache/ratis#922 (apache/ratis#922)
- RATIS-761. Handle writeStateMachineData failure in leader. (apache/ratis#927)
- RATIS-1902. The snapshot index is set incorrectly in InstallSnapshotReplyProto. (apache/ratis#933)
- RATIS-1912. Fix infinity election when perform membership change. (apache/ratis#954)
- RATIS-1858. Follower keeps logging first election timeout. (apache/ratis#894)
- 3.0.1:This is a bugfix release. See the [changes between 3.0.0 and 3.0.1](apache/ratis@ratis-3.0.0...ratis-3.0.1) releases.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Cluster manual test.
Closes#2480 from SteNicholas/CELEBORN-1400.
Authored-by: SteNicholas <programgeek@163.com>
Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com>
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@ivandika3@szetszwo

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
RATIS-1898. Netty should use EpollEventLoopGroup by default - #931
Merged
szetszwo merged 4 commits into
apache:masterfrom 
ivandika3:RATIS-1898
Oct 4, 2023
Merged
RATIS-1898. Netty should use EpollEventLoopGroup by default#931
szetszwo merged 4 commits into
apache:masterfrom 
ivandika3:RATIS-1898
Conversation
@ivandika3
@ivandika3ivandika3
commented
Oct 4, 2023•

edited

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Contributor
What changes were proposed in this pull request?
From Netty documentation (https://netty.io/wiki/native-transports.html), EpollEventLoopGroup generally should have better performance than NioEventLoopGroup and therefore should be used by default. The only reason to use NioEventLoopGroup is if the underlying OS does not support it (EpollEventLoopGroup is only supported in Linux).
From the one of the core developer of Netty (Norman Maurer): https://stackoverflow.com/questions/35568365/netty-epolleventloopgroup-vs-nioeventloopgroup-which-should-i-choose-on-centos
What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/RATIS-1898
How was this patch tested?
Existing tests (NioEventLoopGroup to EpollEventLoopGroup should not introduce regressions).
@ivandika3
ivandika3
commented
Oct 4, 2023•

edited

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ContributorAuthor
@szetszwo@guohao-rosicky Could you help take a look if you have time?
@guohao-rosicky It seems that the epoll configuration is introduced on RATIS-1521. Do you use it in your cluster, and if so, are there any performance benefits compared to using the NioEventLoopGroup? Also in the NettyClientStreamRpc it seems that epoll is never used (in RATIS-1549), do you know why is this so?
@ivandika3ivandika3
changed the title
RATIS-1898. Netty to use EpollEventLoopGroup by defaultRATIS-1898. Netty should use EpollEventLoopGroup by defaultOct 4, 2023
szetszwo
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Oct 4, 2023
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@ivandika3 , thanks a lot for working on this!
+1 the change looks good.
@szetszwo
szetszwo
merged commit 317bed0
into
apache:masterOct 4, 2023
@ivandika3
ivandika3
commented
Oct 5, 2023

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Thank you for the review @szetszwo.
symious pushed a commit
to symious/ratis
that referenced
this pull request
Mar 25, 2024
@ivandika3@symious
RATIS-1898. Netty should use EpollEventLoopGroup by default (apache#931)
04c87c2
@SteNicholasSteNicholas
mentioned this pull request
Apr 24, 2024
 Closed

@ivandika3
ivandika3
deleted the

RATIS-1898

branch
May 29, 2024 01:55
RexXiong pushed a commit
to apache/celeborn
that referenced
this pull request
May 30, 2024
@SteNicholas@RexXiong
[CELEBORN-1400] Bump Ratis version from 2.5.1 to 3.0.1
2a57fab
### What changes were proposed in this pull request?
Bump Ratis version from 2.5.1 to 3.0.1. Address incompatible changes:
- RATIS-589. Eliminate buffer copying in SegmentedRaftLogOutputStream.(apache/ratis#964)
- RATIS-1677. Do not auto format RaftStorage in RECOVER.(apache/ratis#718)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
### Why are the changes needed?
Bump Ratis version from 2.5.1 to 3.0.1. Ratis has released v3.0.0, v3.0.1, which release note refers to [3.0.0](https://ratis.apache.org/post/3.0.0.html), [3.0.1](https://ratis.apache.org/post/3.0.1.html). The 3.0.x version include new features like pluggable metrics and lease read, etc, some improvements and bugfixes including:
- 3.0.0: Change list of ratis 3.0.0 In total, there are roughly 100 commits diffing from 2.5.1 including:
- Incompatible Changes
- RaftStorage Auto-Format
- RATIS-1677. Do not auto format RaftStorage in RECOVER. (apache/ratis#718)
- RATIS-1694. Fix the compatibility issue of RATIS-1677. (apache/ratis#731)
- RATIS-1871. Auto format RaftStorage when there is only one directory configured. (apache/ratis#903)
- Pluggable Ratis-Metrics (RATIS-1688)
- RATIS-1689. Remove the use of the thirdparty Gauge. (apache/ratis#728)
- RATIS-1692. Remove the use of the thirdparty Counter. (apache/ratis#732)
- RATIS-1693. Remove the use of the thirdparty Timer. (apache/ratis#734)
- RATIS-1703. Move MetricsReporting and JvmMetrics to impl. (apache/ratis#741)
- RATIS-1704. Fix SuppressWarnings(“VisibilityModifier”) in RatisMetrics. (apache/ratis#742)
- RATIS-1710. Refactor metrics api and implementation to separated modules. (apache/ratis#749)
- RATIS-1712. Add a dropwizard 3 implementation of ratis-metrics-api. (apache/ratis#751)
- RATIS-1391. Update library dropwizard.metrics version to 4.x (apache/ratis#632)
- RATIS-1601. Use the shaded dropwizard metrics and remove the dependency (apache/ratis#671)
- Streaming Protocol Change
- RATIS-1569. Move the asyncRpcApi.sendForward(..) call to the client side. (apache/ratis#635)
- New Features
- Leader Lease (RATIS-1864)
- RATIS-1865. Add leader lease bound ratio configuration (apache/ratis#897)
- RATIS-1866. Maintain leader lease after AppendEntries (apache/ratis#898)
- RATIS-1894. Implement ReadOnly based on leader lease (apache/ratis#925)
- RATIS-1882. Support read-after-write consistency (apache/ratis#913)
- StateMachine API
- RATIS-1874. Add notifyLeaderReady function in IStateMachine (apache/ratis#906)
- RATIS-1897. Make TransactionContext available in DataApi.write(..). (apache/ratis#930)
- New Configuration Properties
- RATIS-1862. Add the parameter whether to take Snapshot when stopping to adapt to different services (apache/ratis#896)
- RATIS-1930. Add a conf for enable/disable majority-add. (apache/ratis#961)
- RATIS-1918. Introduces parameters that separately control the shutdown of RaftServerProxy by JVMPauseMonitor. (apache/ratis#950)
- RATIS-1636. Support re-config ratis properties (apache/ratis#800)
- RATIS-1860. Add ratis-shell cmd to generate a new raft-meta.conf. (apache/ratis#901)
- Improvements & Bug Fixes
- Netty
- RATIS-1898. Netty should use EpollEventLoopGroup by default (apache/ratis#931)
- RATIS-1899. Use EpollEventLoopGroup for Netty Proxies (apache/ratis#932)
- RATIS-1921. Shared worker group in WorkerGroupGetter should be closed. (apache/ratis#955)
- RATIS-1923. Netty: atomic operations require side-effect-free functions. (apache/ratis#956)
- RaftServer
- RATIS-1924. Increase the default of raft.server.log.segment.size.max. (apache/ratis#957)
- RATIS-1892. Unify the lifetime of the RaftServerProxy thread pool (apache/ratis#923)
- RATIS-1889. NoSuchMethodError: RaftServerMetricsImpl.addNumPendingRequestsGauge apache/ratis#922 (apache/ratis#922)
- RATIS-761. Handle writeStateMachineData failure in leader. (apache/ratis#927)
- RATIS-1902. The snapshot index is set incorrectly in InstallSnapshotReplyProto. (apache/ratis#933)
- RATIS-1912. Fix infinity election when perform membership change. (apache/ratis#954)
- RATIS-1858. Follower keeps logging first election timeout. (apache/ratis#894)
- 3.0.1:This is a bugfix release. See the [changes between 3.0.0 and 3.0.1](apache/ratis@ratis-3.0.0...ratis-3.0.1) releases.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Cluster manual test.
Closes#2480 from SteNicholas/CELEBORN-1400.
Authored-by: SteNicholas <programgeek@163.com>
Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com>
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