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HBASE-26265 Update ref guide to mention the new store file tracker im… - #3942
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Apache-HBase
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joshelser
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Left some suggestions. Overall this is an excellent writeup.
| those files to the actual store directory at operation commit time. That's a simple and convenient | ||
| way to separate transient from already finalised files that are ready to serve client reads with data. | ||
| This approach works well with strong consistent file systems, but with the popularity of less consistent | ||
| file systems, mainly Object Store file systems, dependency on rename operations starts to introduce |
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| file systems, mainly Object Store file systems, dependency on rename operations starts to introduce | |
| file systems, mainly Object Store which can be used like file systems, HBase's dependency on atomic rename operations starts to introduce |
| way to separate transient from already finalised files that are ready to serve client reads with data. | ||
| This approach works well with strong consistent file systems, but with the popularity of less consistent | ||
| file systems, mainly Object Store file systems, dependency on rename operations starts to introduce | ||
| performance penalties. Amazon S3 Object Store, in particular, has been the most affected deployment, |
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| performance penalties. Amazon S3 Object Store, in particular, has been the most affected deployment, | |
| performance penalties. The Amazon S3 Object Store, in particular, has been the most affected deployment |
| This approach works well with strong consistent file systems, but with the popularity of less consistent | ||
| file systems, mainly Object Store file systems, dependency on rename operations starts to introduce | ||
| performance penalties. Amazon S3 Object Store, in particular, has been the most affected deployment, | ||
| due to the its lack of atomic renames, requiring an additional locking layer implemented by HBOSS, |
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| due to the its lack of atomic renames, requiring an additional locking layer implemented by HBOSS, | |
| due to the its lack of atomic renames. The HBase community temporarily bypassed this problem by building a distributed locking layer called HBOSS |
| file systems, mainly Object Store file systems, dependency on rename operations starts to introduce | ||
| performance penalties. Amazon S3 Object Store, in particular, has been the most affected deployment, | ||
| due to the its lack of atomic renames, requiring an additional locking layer implemented by HBOSS, | ||
| to guarantee consistency and integrity of operations. |
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| to guarantee consistency and integrity of operations. | |
| to guarantee atomicity of operations against S3. |
Maybe I'm being nit-picky here? I think it makes a confusing topic easier to understand if we just say "atomic renames", even though "consistency" and "integrity" would be things sacrificed when we have non-atomic renames :)
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| It can be set at individual Table or Column Family configurations, as well as in processes | ||
| *hbase-site.xml* configuration file. |
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| It can be set at individual Table or Column Family configurations, as well as in processes | |
| *hbase-site.xml* configuration file. | |
| The implementation can be set at the HBase service leve in *hbase-site.xml* or at the Table or Column Family via the TableDescriptor configuration. |
| It can be set at individual Table or Column Family configurations, as well as in processes | ||
| *hbase-site.xml* configuration file. | ||
| NOTE: When specified in *hbase_site.xml*, this configuration is also saved into tables configuration |
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| NOTE: When specified in *hbase_site.xml*, this configuration is also saved into tables configuration | |
| NOTE: When the store file tracking implementation is specified in *hbase_site.xml*, this configuration is also propagated into a table's configuration |
| As per the name, this is the Store File Tracking implementation used by default when now explicit | ||
| configuration has been defined. The DEFAULT tracker implements the standard approach using temporary | ||
| directories and renames. |
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| directories and renames. | |
| directories and renames. This is how all previous (implicit) implementation that HBase used to track store files. |
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| ### Switching implementations globally | ||
| For running clusters with tables already containing data, Store File Tracking implementation can |
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| For running clusters with tables already containing data, Store File Tracking implementation can | |
| For clusters with data that are upgraded to a version of HBase containing the store file tracking feature, the Store File Tracking implementation can |
wchevreuil
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Dec 14, 2021
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Thanks for the review comments, @joshelser and @Apache9 . I believe I have addressed all the suggestions, please give a second look at your convenience. |
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joshelser
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…others) to branch-2.5 Previous cherry picks: commit 6aaef89 HBASE-26064 Introduce a StoreFileTracker to abstract the store file tracking logic commit 43b40e9 HBASE-25988 Store the store file list by a file apache#3578) commit 6e05376 HBASE-26079 Use StoreFileTracker when splitting and merging apache#3617) commit 090b2fe HBASE-26224 HBASE-26224 Introduce a MigrationStoreFileTracker to support migratin… apache#3656) commit 0ee1689 HBASE-26246 Persist the StoreFileTracker configurations to TableDescriptor when creating table apache#3666) commit 2052e80 HBASE-26248 Should find a suitable way to let users specify the store… apache#3665) commit 5ff0f98 HBASE-26264 Add more checks to prevent misconfiguration on store file… apache#3681) commit fc4f6d1 HBASE-26280 HBASE-26280 Use store file tracker when snapshoting apache#3685) commit 06db852 HBASE-26326 CreateTableProcedure fails when FileBasedStoreFileTracker… apache#3721) commit e4e7cf8 HBASE-26386 Refactor StoreFileTracker implementations to expose the s… apache#3774) commit 08d1171 HBASE-26328 Clone snapshot doesn't load reference files into FILE SFT impl apache#3749) commit 8bec26e HBASE-26263 [Rolling Upgrading] Persist the StoreFileTracker configur… apache#3700) commit a288365 HBASE-26271: Cleanup the broken store files under data directory apache#3786) commit d00b5fa HBASE-26454 CreateTableProcedure still relies on temp dir and renames… apache#3845) commit 771e552 HBASE-26286: Add support for specifying store file tracker when restoring or cloning snapshot commit f16b7b1 HBASE-26265 Update ref guide to mention the new store file tracker im… apache#3942) commit 755b3b4 HBASE-26585 Add SFT configuration to META table descriptor when creating META apache#3998) commit 39c42c7 HBASE-26639 The implementation of TestMergesSplitsAddToTracker is pro… apache#4010) commit 6e1f5b7 HBASE-26586 Should not rely on the global config when setting SFT implementation for a table while upgrading apache#4006) commit f1dd865 HBASE-26654 ModifyTableDescriptorProcedure shoud load TableDescriptor… apache#4034) commit 8fbc9a2 HBASE-26674 Should modify filesCompacting under storeWriteLock apache#4040) commit 5aa0fd2 HBASE-26675 Data race on Compactor.writer apache#4035) commit 3021c58 HBASE-26700 The way we bypass broken track file is not enough in Stor… apache#4055) commit a8b68c9 HBASE-26690 Modify FSTableDescriptors to not rely on renaming when wr… apache#4054) commit dffeb8e HBASE-26587 Introduce a new Admin API to change SFT implementation (#… apache#4080) commit b265fe5 HBASE-26673 Implement a shell command for change SFT implementation apache#4113) commit 4cdb380 HBASE-26640 Reimplement master local region initialization to better … apache#4111) commit 77bb153 HBASE-26707: Reduce number of renames during bulkload (apache#4066) apache#4122) commit a4b192e HBASE-26611 Changing SFT implementation on disabled table is dangerous apache#4082) commit d3629bb HBASE-26837 Set SFT config when creating TableDescriptor in TestClone… apache#4226) commit 541d748 HBASE-26881 Backport HBASE-25368 to branch-2 (apache#4267) Fixups for precommit error prone, checkstyle, and javadoc warnings after applying cherry picks. Signed-off-by: Josh Elser <elserj@apache.org> Reviewed-by: Wellington Ramos Chevreuil <wchevreuil@apache.org>
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…others) to branch-2.5 Previous cherry picks: commit 6aaef89 HBASE-26064 Introduce a StoreFileTracker to abstract the store file tracking logic commit 43b40e9HBASE-25988 Store the store file list by a file #3578) commit 6e05376HBASE-26079 Use StoreFileTracker when splitting and merging #3617) commit 090b2feHBASE-26224HBASE-26224 Introduce a MigrationStoreFileTracker to support migratin… #3656) commit 0ee1689HBASE-26246 Persist the StoreFileTracker configurations to TableDescriptor when creating table #3666) commit 2052e80HBASE-26248 Should find a suitable way to let users specify the store… #3665) commit 5ff0f98HBASE-26264 Add more checks to prevent misconfiguration on store file… #3681) commit fc4f6d1HBASE-26280HBASE-26280 Use store file tracker when snapshoting #3685) commit 06db852HBASE-26326 CreateTableProcedure fails when FileBasedStoreFileTracker… #3721) commit e4e7cf8HBASE-26386 Refactor StoreFileTracker implementations to expose the s… #3774) commit 08d1171HBASE-26328 Clone snapshot doesn't load reference files into FILE SFT impl #3749) commit 8bec26eHBASE-26263 [Rolling Upgrading] Persist the StoreFileTracker configur… #3700) commit a288365HBASE-26271: Cleanup the broken store files under data directory #3786) commit d00b5faHBASE-26454 CreateTableProcedure still relies on temp dir and renames… #3845) commit 771e552HBASE-26286: Add support for specifying store file tracker when restoring or cloning snapshot commit f16b7b1HBASE-26265 Update ref guide to mention the new store file tracker im… #3942) commit 755b3b4HBASE-26585 Add SFT configuration to META table descriptor when creating META #3998) commit 39c42c7HBASE-26639 The implementation of TestMergesSplitsAddToTracker is pro… #4010) commit 6e1f5b7HBASE-26586 Should not rely on the global config when setting SFT implementation for a table while upgrading #4006) commit f1dd865HBASE-26654 ModifyTableDescriptorProcedure shoud load TableDescriptor… #4034) commit 8fbc9a2HBASE-26674 Should modify filesCompacting under storeWriteLock #4040) commit 5aa0fd2HBASE-26675 Data race on Compactor.writer #4035) commit 3021c58HBASE-26700 The way we bypass broken track file is not enough in Stor… #4055) commit a8b68c9HBASE-26690 Modify FSTableDescriptors to not rely on renaming when wr… #4054) commit dffeb8eHBASE-26587 Introduce a new Admin API to change SFT implementation (#… #4080) commit b265fe5HBASE-26673 Implement a shell command for change SFT implementation #4113) commit 4cdb380HBASE-26640 Reimplement master local region initialization to better … #4111) commit 77bb153HBASE-26707: Reduce number of renames during bulkload (#4066) #4122) commit a4b192e HBASE-26611 Changing SFT implementation on disabled table is dangerous #4082) commit d3629bbHBASE-26837 Set SFT config when creating TableDescriptor in TestClone… #4226) commit 541d748HBASE-26881 Backport HBASE-25368 to branch-2 (#4267) Fixups for precommit error prone, checkstyle, and javadoc warnings after applying cherry picks. Signed-off-by: Josh Elser <elserj@apache.org> Reviewed-by: Wellington Ramos Chevreuil <wchevreuil@apache.org>
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