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Posted to issues@hbase.apache.org by GitBox <gi...@apache.org> on 2021/04/09 12:42:36 UTC

[GitHub] [hbase] sunhelly opened a new pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

sunhelly opened a new pull request #3140:
URL: https://github.com/apache/hbase/pull/3140


   …h cache and cause OOM


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[GitHub] [hbase] Apache9 commented on a change in pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache9 commented on a change in pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#discussion_r637022472



##########
File path: hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
##########
@@ -2846,7 +2846,13 @@ protected PrepareFlushResult internalPrepareFlushCache(WAL wal, long myseqid,
     String s = "Finished memstore snapshotting " + this + ", syncing WAL and waiting on mvcc, " +
         "flushsize=" + totalSizeOfFlushableStores;
     status.setStatus(s);
-    doSyncOfUnflushedWALChanges(wal, getRegionInfo());
+
+    try {
+      doSyncOfUnflushedWALChanges(wal, getRegionInfo());
+    } catch (Throwable t) {
+      status.abort("Sync unflushed WAL changes failed: " + StringUtils.stringifyException(t));
+      fatalForFlushCache(t);

Review comment:
       Mind explaining a bit why here we need to abort the regionserver? We do not need to abort the regionserver when hitting IOException above?




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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-816821041


   :broken_heart: **-1 overall**
   
   
   
   
   
   
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[GitHub] [hbase] sunhelly commented on a change in pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
sunhelly commented on a change in pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#discussion_r666086645



##########
File path: hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
##########
@@ -2846,7 +2846,13 @@ protected PrepareFlushResult internalPrepareFlushCache(WAL wal, long myseqid,
     String s = "Finished memstore snapshotting " + this + ", syncing WAL and waiting on mvcc, " +
         "flushsize=" + totalSizeOfFlushableStores;
     status.setStatus(s);
-    doSyncOfUnflushedWALChanges(wal, getRegionInfo());
+
+    try {
+      doSyncOfUnflushedWALChanges(wal, getRegionInfo());
+    } catch (Throwable t) {
+      status.abort("Sync unflushed WAL changes failed: " + StringUtils.stringifyException(t));
+      fatalForFlushCache(t);

Review comment:
       @Apache9 We currently only abort RS when there are critical problems, such as the WAL stuck? The above IOExceptions can only abort the flush in mem and should not prevent the next flushes, right? Here the abort is caused by the wal stucks who are ahead of the committing flush wal sync stucks. What do you think?




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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-816834752


   :broken_heart: **-1 overall**
   
   
   
   
   
   
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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-848796422


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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   | GITHUB PR | https://github.com/apache/hbase/pull/3140 |
   | Optional Tests | dupname asflicense javac spotbugs hadoopcheck hbaseanti checkstyle compile |
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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-842396746


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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   | +1 :green_heart: |  dupname  |   0m  0s |  No case conflicting files found.  |
   | +1 :green_heart: |  hbaseanti  |   0m  0s |  Patch does not have any anti-patterns.  |
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   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 34s |  master passed  |
   | +1 :green_heart: |  compile  |   3m 34s |  master passed  |
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   | +1 :green_heart: |  spotbugs  |   2m 50s |  the patch passed  |
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   | GITHUB PR | https://github.com/apache/hbase/pull/3140 |
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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-920523158


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime | Comment |
   |:----:|----------:|--------:|:--------|
   | +0 :ok: |  reexec  |   0m 27s |  Docker mode activated.  |
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   ||| _ Prechecks _ |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 37s |  master passed  |
   | +1 :green_heart: |  compile  |   1m 11s |  master passed  |
   | +1 :green_heart: |  shadedjars  |   8m 16s |  branch has no errors when building our shaded downstream artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 44s |  master passed  |
   ||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 16s |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m 15s |  the patch passed  |
   | +1 :green_heart: |  javac  |   1m 15s |  the patch passed  |
   | +1 :green_heart: |  shadedjars  |   8m 15s |  patch has no errors when building our shaded downstream artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 47s |  the patch passed  |
   ||| _ Other Tests _ |
   | +1 :green_heart: |  unit  | 137m 35s |  hbase-server in the patch passed.  |
   |  |   | 169m 26s |   |
   
   
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   | GITHUB PR | https://github.com/apache/hbase/pull/3140 |
   | Optional Tests | javac javadoc unit shadedjars compile |
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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-817278095


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime | Comment |
   |:----:|----------:|--------:|:--------|
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   ||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  No case conflicting files found.  |
   | +1 :green_heart: |  hbaseanti  |   0m  0s |  Patch does not have any anti-patterns.  |
   | +1 :green_heart: |  @author  |   0m  0s |  The patch does not contain any @author tags.  |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   3m 57s |  master passed  |
   | +1 :green_heart: |  compile  |   3m 12s |  master passed  |
   | +1 :green_heart: |  checkstyle  |   1m  8s |  master passed  |
   | +1 :green_heart: |  spotbugs  |   2m  3s |  master passed  |
   ||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   3m 40s |  the patch passed  |
   | +1 :green_heart: |  compile  |   3m 15s |  the patch passed  |
   | +1 :green_heart: |  javac  |   3m 15s |  the patch passed  |
   | -0 :warning: |  checkstyle  |   1m  7s |  hbase-server: The patch generated 1 new + 179 unchanged - 0 fixed = 180 total (was 179)  |
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   ||| _ Other Tests _ |
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   | Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
   
   
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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-842541333






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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-817295171


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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   ||| _ Prechecks _ |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 30s |  master passed  |
   | +1 :green_heart: |  compile  |   1m 20s |  master passed  |
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   | +1 :green_heart: |  javadoc  |   0m 44s |  master passed  |
   ||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 18s |  the patch passed  |
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   | +1 :green_heart: |  javac  |   1m 14s |  the patch passed  |
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   | +1 :green_heart: |  javadoc  |   0m 39s |  the patch passed  |
   ||| _ Other Tests _ |
   | +1 :green_heart: |  unit  | 158m  0s |  hbase-server in the patch passed.  |
   |  |   | 189m  8s |   |
   
   
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   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3140/2/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile |
   | GITHUB PR | https://github.com/apache/hbase/pull/3140 |
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   | versions | git=2.17.1 maven=3.6.3 |
   | Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
   
   
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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-816685720


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime | Comment |
   |:----:|----------:|--------:|:--------|
   | +0 :ok: |  reexec  |   4m  4s |  Docker mode activated.  |
   ||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  No case conflicting files found.  |
   | +1 :green_heart: |  hbaseanti  |   0m  0s |  Patch does not have any anti-patterns.  |
   | +1 :green_heart: |  @author  |   0m  0s |  The patch does not contain any @author tags.  |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m  0s |  master passed  |
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   | +1 :green_heart: |  checkstyle  |   1m  9s |  master passed  |
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   ||| _ Patch Compile Tests _ |
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   | +1 :green_heart: |  spotbugs  |   2m 13s |  the patch passed  |
   ||| _ Other Tests _ |
   | +1 :green_heart: |  asflicense  |   0m 15s |  The patch does not generate ASF License warnings.  |
   |  |   |  50m 35s |   |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3140/1/artifact/yetus-general-check/output/Dockerfile |
   | GITHUB PR | https://github.com/apache/hbase/pull/3140 |
   | Optional Tests | dupname asflicense javac spotbugs hadoopcheck hbaseanti checkstyle compile |
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   | Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
   
   
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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-848952481


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime | Comment |
   |:----:|----------:|--------:|:--------|
   | +0 :ok: |  reexec  |   1m 21s |  Docker mode activated.  |
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   ||| _ Prechecks _ |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 52s |  master passed  |
   | +1 :green_heart: |  compile  |   1m 20s |  master passed  |
   | +1 :green_heart: |  shadedjars  |   9m 10s |  branch has no errors when building our shaded downstream artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 43s |  master passed  |
   ||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 48s |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m 18s |  the patch passed  |
   | +1 :green_heart: |  javac  |   1m 18s |  the patch passed  |
   | +1 :green_heart: |  shadedjars  |   9m  4s |  patch has no errors when building our shaded downstream artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 43s |  the patch passed  |
   ||| _ Other Tests _ |
   | +1 :green_heart: |  unit  | 213m 12s |  hbase-server in the patch passed.  |
   |  |   | 248m 32s |   |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3140/4/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile |
   | GITHUB PR | https://github.com/apache/hbase/pull/3140 |
   | Optional Tests | javac javadoc unit shadedjars compile |
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   | versions | git=2.17.1 maven=3.6.3 |
   | Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
   
   
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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-842396746


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime | Comment |
   |:----:|----------:|--------:|:--------|
   | +0 :ok: |  reexec  |   1m 36s |  Docker mode activated.  |
   ||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  No case conflicting files found.  |
   | +1 :green_heart: |  hbaseanti  |   0m  0s |  Patch does not have any anti-patterns.  |
   | +1 :green_heart: |  @author  |   0m  0s |  The patch does not contain any @author tags.  |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 34s |  master passed  |
   | +1 :green_heart: |  compile  |   3m 34s |  master passed  |
   | +1 :green_heart: |  checkstyle  |   1m 13s |  master passed  |
   | +1 :green_heart: |  spotbugs  |   2m 17s |  master passed  |
   | -0 :warning: |  patch  |   2m 25s |  Used diff version of patch file. Binary files and potentially other changes not applied. Please rebase and squash commits if necessary.  |
   ||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 12s |  the patch passed  |
   | +1 :green_heart: |  compile  |   3m 37s |  the patch passed  |
   | +1 :green_heart: |  javac  |   3m 37s |  the patch passed  |
   | -0 :warning: |  checkstyle  |   1m 13s |  hbase-server: The patch generated 1 new + 177 unchanged - 0 fixed = 178 total (was 177)  |
   | +1 :green_heart: |  whitespace  |   0m  0s |  The patch has no whitespace issues.  |
   | +1 :green_heart: |  hadoopcheck  |  21m 40s |  Patch does not cause any errors with Hadoop 3.1.2 3.2.1 3.3.0.  |
   | +1 :green_heart: |  spotbugs  |   2m 50s |  the patch passed  |
   ||| _ Other Tests _ |
   | +1 :green_heart: |  asflicense  |   0m 15s |  The patch does not generate ASF License warnings.  |
   |  |   |  56m 31s |   |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3140/3/artifact/yetus-general-check/output/Dockerfile |
   | GITHUB PR | https://github.com/apache/hbase/pull/3140 |
   | Optional Tests | dupname asflicense javac spotbugs hadoopcheck hbaseanti checkstyle compile |
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   | Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
   
   
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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-817303354


   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime | Comment |
   |:----:|----------:|--------:|:--------|
   | +0 :ok: |  reexec  |   1m 24s |  Docker mode activated.  |
   | -0 :warning: |  yetus  |   0m  3s |  Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck  |
   ||| _ Prechecks _ |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 19s |  master passed  |
   | +1 :green_heart: |  compile  |   1m  4s |  master passed  |
   | +1 :green_heart: |  shadedjars  |   8m 26s |  branch has no errors when building our shaded downstream artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 39s |  master passed  |
   ||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m  0s |  the patch passed  |
   | +1 :green_heart: |  compile  |   1m  6s |  the patch passed  |
   | +1 :green_heart: |  javac  |   1m  6s |  the patch passed  |
   | +1 :green_heart: |  shadedjars  |   8m 27s |  patch has no errors when building our shaded downstream artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 36s |  the patch passed  |
   ||| _ Other Tests _ |
   | -1 :x: |  unit  | 216m  1s |  hbase-server in the patch failed.  |
   |  |   | 247m 57s |   |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3140/2/artifact/yetus-jdk8-hadoop3-check/output/Dockerfile |
   | GITHUB PR | https://github.com/apache/hbase/pull/3140 |
   | Optional Tests | javac javadoc unit shadedjars compile |
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   | versions | git=2.17.1 maven=3.6.3 |
   | Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
   
   
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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-920481136


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime | Comment |
   |:----:|----------:|--------:|:--------|
   | +0 :ok: |  reexec  |   1m  0s |  Docker mode activated.  |
   ||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  No case conflicting files found.  |
   | +1 :green_heart: |  hbaseanti  |   0m  0s |  Patch does not have any anti-patterns.  |
   | +1 :green_heart: |  @author  |   0m  0s |  The patch does not contain any @author tags.  |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 23s |  master passed  |
   | +1 :green_heart: |  compile  |   3m 25s |  master passed  |
   | +1 :green_heart: |  checkstyle  |   1m 13s |  master passed  |
   | +1 :green_heart: |  spotbugs  |   2m 15s |  master passed  |
   ||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m  3s |  the patch passed  |
   | +1 :green_heart: |  compile  |   3m 18s |  the patch passed  |
   | +1 :green_heart: |  javac  |   3m 18s |  the patch passed  |
   | -0 :warning: |  checkstyle  |   1m 12s |  hbase-server: The patch generated 1 new + 175 unchanged - 1 fixed = 176 total (was 176)  |
   | +1 :green_heart: |  whitespace  |   0m  0s |  The patch has no whitespace issues.  |
   | +1 :green_heart: |  hadoopcheck  |  20m 48s |  Patch does not cause any errors with Hadoop 3.1.2 3.2.1 3.3.0.  |
   | +1 :green_heart: |  spotbugs  |   2m 35s |  the patch passed  |
   ||| _ Other Tests _ |
   | +1 :green_heart: |  asflicense  |   0m 14s |  The patch does not generate ASF License warnings.  |
   |  |   |  52m 56s |   |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3140/1/artifact/yetus-general-check/output/Dockerfile |
   | GITHUB PR | https://github.com/apache/hbase/pull/3140 |
   | Optional Tests | dupname asflicense javac spotbugs hadoopcheck hbaseanti checkstyle compile |
   | uname | Linux c5673782a862 4.15.0-143-generic #147-Ubuntu SMP Wed Apr 14 16:10:11 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/hbase-personality.sh |
   | git revision | master / c60adfd13a |
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   | checkstyle | https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3140/1/artifact/yetus-general-check/output/diff-checkstyle-hbase-server.txt |
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   | modules | C: hbase-server U: hbase-server |
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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-920526984


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[GitHub] [hbase] Apache-HBase commented on pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
Apache-HBase commented on pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#issuecomment-848949610


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
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   ||| _ Prechecks _ |
   ||| _ master Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   4m 17s |  master passed  |
   | +1 :green_heart: |  compile  |   1m  2s |  master passed  |
   | +1 :green_heart: |  shadedjars  |   9m  4s |  branch has no errors when building our shaded downstream artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 38s |  master passed  |
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   | +1 :green_heart: |  compile  |   1m  3s |  the patch passed  |
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   | +1 :green_heart: |  shadedjars  |   8m 59s |  patch has no errors when building our shaded downstream artifacts.  |
   | +1 :green_heart: |  javadoc  |   0m 35s |  the patch passed  |
   ||| _ Other Tests _ |
   | +1 :green_heart: |  unit  | 211m  6s |  hbase-server in the patch passed.  |
   |  |   | 243m 54s |   |
   
   
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   | GITHUB PR | https://github.com/apache/hbase/pull/3140 |
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[GitHub] [hbase] sunhelly commented on a change in pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
sunhelly commented on a change in pull request #3140:
URL: https://github.com/apache/hbase/pull/3140#discussion_r637531715



##########
File path: hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
##########
@@ -2846,7 +2846,13 @@ protected PrepareFlushResult internalPrepareFlushCache(WAL wal, long myseqid,
     String s = "Finished memstore snapshotting " + this + ", syncing WAL and waiting on mvcc, " +
         "flushsize=" + totalSizeOfFlushableStores;
     status.setStatus(s);
-    doSyncOfUnflushedWALChanges(wal, getRegionInfo());
+
+    try {
+      doSyncOfUnflushedWALChanges(wal, getRegionInfo());
+    } catch (Throwable t) {
+      status.abort("Sync unflushed WAL changes failed: " + StringUtils.stringifyException(t));
+      fatalForFlushCache(t);

Review comment:
       The IOException thrown above is not caused by syncing WAL, only the sync failure should abort the RS as early as possible.  And if we only allow aborting RS in the commit step of flushing cache, there will always exit the circumstance that OOM kill, because all failures in the previous preparing step of flushing cache only aborted the flush process, all flushing can not go to the commit step.




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[GitHub] [hbase] sunhelly closed pull request #3140: HBASE-25720 Sync WAL stuck when prepare flush cache will prevent flus…

Posted by GitBox <gi...@apache.org>.
sunhelly closed pull request #3140:
URL: https://github.com/apache/hbase/pull/3140


   


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