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HBASE-28569: fix race condition during WAL splitting leading to corru… #6266

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@ciacono ciacono commented Sep 18, 2024

…pt recovered.edits

If an exception happens in the call to finishWriterThreads in the org.apache.hadoop.hbase.wal.RecoveredEditsOutputSink.close method, the call to closeWriters should not execute, as it may lead to a race condition that leads to file corruption if the regionserver aborts. The execution of closeWriters in this case would write the trailer in parallel with writer threads, causing corruption, and then the corrupt file would get renamed and finalized when it should not be. This corruption causes problems when the region is then to be assigned. By removing the try finally block, the problematic closeWriters would not execute in the case of an exception in finishWriterThreads, which should then prevent this race from occurring and causing recovered.edits corruption.

…pt recovered.edits

If an exception happens in the call to finishWriterThreads in the
org.apache.hadoop.hbase.wal.RecoveredEditsOutputSink.close method, the call to closeWriters
should not execute, as it may lead to a race condition that leads to file corruption if
the regionserver aborts. The execution of closeWriters in this case would write the
trailer in parallel with writer threads, causing corruption, and then the corrupt file
would get renamed and finalized when it should not be. This corruption causes problems when
the region is then to be assigned. By removing the try finally block, the problematic
closeWriters would not execute in the case of an exception in finishWriterThreads, which
should then prevent this race from occurring and causing recovered.edits corruption.
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🎊 +1 overall

Vote Subsystem Runtime Logfile Comment
+0 🆗 reexec 0m 44s Docker mode activated.
_ Prechecks _
+1 💚 dupname 0m 0s No case conflicting files found.
+0 🆗 codespell 0m 0s codespell was not available.
+0 🆗 detsecrets 0m 0s detect-secrets was not available.
+1 💚 @author 0m 0s The patch does not contain any @author tags.
+1 💚 hbaseanti 0m 0s Patch does not have any anti-patterns.
_ master Compile Tests _
+1 💚 mvninstall 3m 24s master passed
+1 💚 compile 4m 5s master passed
+1 💚 checkstyle 0m 52s master passed
+1 💚 spotbugs 2m 9s master passed
+1 💚 spotless 1m 0s branch has no errors when running spotless:check.
_ Patch Compile Tests _
+1 💚 mvninstall 3m 53s the patch passed
+1 💚 compile 3m 6s the patch passed
+1 💚 javac 3m 6s the patch passed
+1 💚 blanks 0m 0s The patch has no blanks issues.
+1 💚 checkstyle 0m 42s the patch passed
+1 💚 spotbugs 1m 56s the patch passed
+1 💚 hadoopcheck 11m 35s Patch does not cause any errors with Hadoop 3.3.6 3.4.0.
+1 💚 spotless 0m 45s patch has no errors when running spotless:check.
_ Other Tests _
+1 💚 asflicense 0m 12s The patch does not generate ASF License warnings.
41m 0s
Subsystem Report/Notes
Docker ClientAPI=1.47 ServerAPI=1.47 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-6266/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR #6266
JIRA Issue HBASE-28569
Optional Tests dupname asflicense javac spotbugs checkstyle codespell detsecrets compile hadoopcheck hbaseanti spotless
uname Linux 2ec39f94a6fa 5.4.0-195-generic #215-Ubuntu SMP Fri Aug 2 18:28:05 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
Build tool maven
Personality dev-support/hbase-personality.sh
git revision master / 249ccbf
Default Java Eclipse Adoptium-17.0.11+9
Max. process+thread count 85 (vs. ulimit of 30000)
modules C: hbase-server U: hbase-server
Console output https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-6266/1/console
versions git=2.34.1 maven=3.9.8 spotbugs=4.7.3
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@Apache-HBase
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💔 -1 overall

Vote Subsystem Runtime Logfile Comment
+0 🆗 reexec 0m 33s Docker mode activated.
-0 ⚠️ yetus 0m 2s Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --author-ignore-list --blanks-eol-ignore-file --blanks-tabs-ignore-file --quick-hadoopcheck
_ Prechecks _
_ master Compile Tests _
+1 💚 mvninstall 3m 21s master passed
+1 💚 compile 0m 59s master passed
+1 💚 javadoc 0m 29s master passed
+1 💚 shadedjars 5m 50s branch has no errors when building our shaded downstream artifacts.
_ Patch Compile Tests _
+1 💚 mvninstall 3m 9s the patch passed
+1 💚 compile 1m 0s the patch passed
+1 💚 javac 1m 0s the patch passed
+1 💚 javadoc 0m 29s the patch passed
+1 💚 shadedjars 5m 47s patch has no errors when building our shaded downstream artifacts.
_ Other Tests _
-1 ❌ unit 225m 13s /patch-unit-hbase-server.txt hbase-server in the patch failed.
250m 56s
Subsystem Report/Notes
Docker ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-6266/1/artifact/yetus-jdk17-hadoop3-check/output/Dockerfile
GITHUB PR #6266
JIRA Issue HBASE-28569
Optional Tests javac javadoc unit compile shadedjars
uname Linux 21bdc668833e 5.4.0-1103-aws #111~18.04.1-Ubuntu SMP Tue May 23 20:04:10 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
Build tool maven
Personality dev-support/hbase-personality.sh
git revision master / 249ccbf
Default Java Eclipse Adoptium-17.0.11+9
Test Results https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-6266/1/testReport/
Max. process+thread count 5316 (vs. ulimit of 30000)
modules C: hbase-server U: hbase-server
Console output https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-6266/1/console
versions git=2.34.1 maven=3.9.8
Powered by Apache Yetus 0.15.0 https://yetus.apache.org

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