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https://issues.apache.org/jira/browse/HDDS-8069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prashant Pogde reassigned HDDS-8069:
------------------------------------
Assignee: Hemant Kumar
> Compaction dag tracking potentially causes OM to go down
> --------------------------------------------------------
>
> Key: HDDS-8069
> URL: https://issues.apache.org/jira/browse/HDDS-8069
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Dave Teng
> Assignee: Hemant Kumar
> Priority: Major
>
> Sometimes if I restart the OM, the OM will go down. I check the OM log and
> saw error:
> {code}
> OM start failed with exception
> java.lang.RuntimeException: Can't find SST file: 000073.sst
> at
> org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.getAbsoluteSstFilePath(RocksDBCheckpointDiffer.java:561)
> at
> org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.getSSTFileSummary(RocksDBCheckpointDiffer.java:541)
> at
> org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.addNodeToDAG(RocksDBCheckpointDiffer.java:1004)
> at
> org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.lambda$populateCompactionDAG$2(RocksDBCheckpointDiffer.java:1033)
> at
> java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660)
> at
> org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.populateCompactionDAG(RocksDBCheckpointDiffer.java:1032)
> at
> org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.processCompactionLogLine(RocksDBCheckpointDiffer.java:677)
> at java.util.Iterator.forEachRemaining(Iterator.java:116)
> at
> java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
> at
> java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:647)
> at
> org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.readCompactionLogToDAG(RocksDBCheckpointDiffer.java:691)
> at
> org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.loadAllCompactionLogs(RocksDBCheckpointDiffer.java:712)
> at org.apache.hadoop.hdds.utils.db.RDBStore.<init>(RDBStore.java:166)
> at
> org.apache.hadoop.hdds.utils.db.DBStoreBuilder.build(DBStoreBuilder.java:219)
> at
> org.apache.hadoop.ozone.om.OmMetadataManagerImpl.loadDB(OmMetadataManagerImpl.java:481)
> at
> org.apache.hadoop.ozone.om.OmMetadataManagerImpl.loadDB(OmMetadataManagerImpl.java:465)
> at
> org.apache.hadoop.ozone.om.OmMetadataManagerImpl.start(OmMetadataManagerImpl.java:457)
> at
> org.apache.hadoop.ozone.om.OmMetadataManagerImpl.<init>(OmMetadataManagerImpl.java:295)
> at
> org.apache.hadoop.ozone.om.OzoneManager.instantiateServices(OzoneManager.java:743)
> at org.apache.hadoop.ozone.om.OzoneManager.<init>(OzoneManager.java:623)
> at
> org.apache.hadoop.ozone.om.OzoneManager.createOm(OzoneManager.java:708)
> at
> org.apache.hadoop.ozone.om.OzoneManagerStarter$OMStarterHelper.start(OzoneManagerStarter.java:189)
> at
> org.apache.hadoop.ozone.om.OzoneManagerStarter.startOm(OzoneManagerStarter.java:86)
> at
> org.apache.hadoop.ozone.om.OzoneManagerStarter.call(OzoneManagerStarter.java:74)
> at org.apache.hadoop.hdds.cli.GenericCli.call(GenericCli.java:38)
> at picocli.CommandLine.executeUserObject(CommandLine.java:1953)
> at picocli.CommandLine.access$1300(CommandLine.java:145)
> at
> picocli.CommandLine$RunLast.executeUserObjectOfLastSubcommandWithSameParent(CommandLine.java:2352)
> at picocli.CommandLine$RunLast.handle(CommandLine.java:2346)
> at picocli.CommandLine$RunLast.handle(CommandLine.java:2311)
> at
> picocli.CommandLine$AbstractParseResultHandler.execute(CommandLine.java:2179)
> at picocli.CommandLine.execute(CommandLine.java:2078)
> at org.apache.hadoop.hdds.cli.GenericCli.execute(GenericCli.java:100)
> at org.apache.hadoop.hdds.cli.GenericCli.run(GenericCli.java:91)
> at
> org.apache.hadoop.ozone.om.OzoneManagerStarter.main(OzoneManagerStarter.java:58)
> {code}
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