HBASE-26649 Support meta replica LoadBalance mode for RegionLocator#g…

[huaxiangsun]

…etAllRegionLocations() (#4442)

Signed-off-by: Duo Zhang zhangduo@apache.org

[huaxiangsun]

Hi @Apache9, please help to review the synchronous version of listAllRegions() change, thanks.

[Apache-HBase]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
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		_ Prechecks _
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		_ branch-2 Compile Tests _
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-1 ❌	spotbugs	0m 49s	hbase-client generated 1 new + 0 unchanged - 0 fixed = 1 total (was 0)
		_ Other Tests _
+1 💚	asflicense	0m 17s	The patch does not generate ASF License warnings.
		32m 9s

Reason	Tests
FindBugs	module:hbase-client
	Switch statement found in org.apache.hadoop.hbase.MetaTableAccessor.scanMeta(Connection, byte[], byte[], MetaTableAccessor$QueryType, Filter, int, MetaTableAccessor$Visitor, CatalogReplicaMode) where default case is missing At MetaTableAccessor.java:byte[], byte[], MetaTableAccessor$QueryType, Filter, int, MetaTableAccessor$Visitor, CatalogReplicaMode) where default case is missing At MetaTableAccessor.java:[lines 791-805]

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4464/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#4464
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versions	git=2.17.1 maven=3.6.3 spotbugs=4.2.2
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[Apache-HBase]

🎊 +1 overall

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		_ Patch Compile Tests _
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		210m 25s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4464/1/artifact/yetus-jdk8-hadoop2-check/output/Dockerfile
GITHUB PR	#4464
Optional Tests	javac javadoc unit shadedjars compile
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versions	git=2.17.1 maven=3.6.3
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[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 57s	Docker mode activated.
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		211m 41s

Subsystem	Report/Notes
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GITHUB PR	#4464
Optional Tests	javac javadoc unit shadedjars compile
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versions	git=2.17.1 maven=3.6.3
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[Apache-HBase]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 59s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
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versions	git=2.17.1 maven=3.6.3 spotbugs=4.2.2
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[Apache9]

Please run 'mvn spotless:apply' to fix the spotless errors?

[Apache-HBase]

🎊 +1 overall

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		208m 51s

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Optional Tests	javac javadoc unit shadedjars compile
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versions	git=2.17.1 maven=3.6.3
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[Apache-HBase]

💔 -1 overall

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+0 🆗	reexec	0m 56s	Docker mode activated.
-0 ⚠️	yetus	0m 7s	Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck
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		212m 28s

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[huaxiangsun]

Please run 'mvn spotless:apply' to fix the spotless errors?

Will do and update accordingly, thanks!

[Apache-HBase]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
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		_ Prechecks _
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Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4464/3/artifact/yetus-general-check/output/Dockerfile
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[Apache-HBase]

🎊 +1 overall

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		211m 56s

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GITHUB PR	#4464
Optional Tests	javac javadoc unit shadedjars compile
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[Apache-HBase]

💔 -1 overall

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		_ Patch Compile Tests _
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		_ Other Tests _
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+1 💚	unit	210m 32s	hbase-server in the patch passed.
		233m 54s

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Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4464/3/artifact/yetus-jdk8-hadoop2-check/output/Dockerfile
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[Apache-HBase]

🎊 +1 overall

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+0 🆗	reexec	0m 57s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
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		_ Other Tests _
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		32m 48s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4464/4/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#4464
Optional Tests	dupname asflicense javac spotbugs hadoopcheck hbaseanti spotless checkstyle compile
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🎊 +1 overall

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		212m 6s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4464/4/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
GITHUB PR	#4464
Optional Tests	javac javadoc unit shadedjars compile
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[Apache-HBase]

💔 -1 overall

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+0 🆗	reexec	2m 5s	Docker mode activated.
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		286m 32s

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[huaxiangsun]

Run the failed test case TestAsyncTableScanner#testReverseScanNoStopKey locally, it passed. Look a bit closer to the error,

SpanKind with a name that a string starting with "SCAN default:async" name was "testReverseScanNoStopKey[7: table=normal, scan=batchSmallResultSize]"
at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:8)
at org.apache.hadoop.hbase.client.TestAsyncTableScanner.assertTraceContinuity(TestAsyncTableScanner.java:125)
at org.apache.hadoop.hbase.client.AbstractTestAsyncTableScan.testReverseScanNoStopKey(AbstractTestAsyncTableScan.java:258)

Cannot map the tracestack to my git branch. It is something related with tracing, @ndimiduk, can you help o how to parse this assert? I cannot find assertTraceContinuity() in TestAsyncTableScanner class, thanks.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 53s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
+1 💚	hbaseanti	0m 0s	Patch does not have any anti-patterns.
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		_ Other Tests _
+1 💚	asflicense	0m 16s	The patch does not generate ASF License warnings.
		33m 9s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4464/5/artifact/yetus-general-check/output/Dockerfile
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[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 52s	Docker mode activated.
-0 ⚠️	yetus	0m 6s	Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck
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		212m 51s

Subsystem	Report/Notes
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GITHUB PR	#4464
Optional Tests	javac javadoc unit shadedjars compile
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[Apache-HBase]

💔 -1 overall

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+0 🆗	reexec	1m 5s	Docker mode activated.
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		238m 51s

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Optional Tests	javac javadoc unit shadedjars compile
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[huaxiangsun]

I tried to get a clean unittest run. This time, it failed at TestSplitRegionWhileRSCrash. The logs show the test case timed out. Did a manual run locally and it passed.

@Apache9 Can you help to review? Thanks.

[Apache9]

So the difference compard to the PR for master is that we also need to change the sync client?

+1

[huaxiangsun]

Thanks, yeah, the async part is same. The sync part is the new development.