Jyotirmoy Sinha created HDDS-8345:
-------------------------------------
Summary: [snapshot] OM process crash on restart due to Snapshot
Chain corruption
Key: HDDS-8345
URL: https://issues.apache.org/jira/browse/HDDS-8345
Project: Apache Ozone
Issue Type: Bug
Components: Ozone Manager
Reporter: Jyotirmoy Sinha
Scenario - Create 13k+ snapshots on a cluster and then restart the ozone
services.
The OM process crashed with Snapshot Chain corruption exception since its not
able to find any of the SST files.
Stacktrace -
{code:java}
2023-03-31 07:43:33,133 INFO
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer: Can't find SST '097467'
java.io.FileNotFoundException: Can't find SST file: 097467.sst
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.getAbsoluteSstFilePath(RocksDBCheckpointDiffer.java:562)
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.getSSTFileSummary(RocksDBCheckpointDiffer.java:541)
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.addNodeToDAG(RocksDBCheckpointDiffer.java:989)
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.lambda$populateCompactionDAG$2(RocksDBCheckpointDiffer.java:1020)
at
java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1688)
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.populateCompactionDAG(RocksDBCheckpointDiffer.java:1019)
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.processCompactionLogLine(RocksDBCheckpointDiffer.java:678)
at java.util.Iterator.forEachRemaining(Iterator.java:116)
at
java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
at
java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:647)
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.readCompactionLogToDAG(RocksDBCheckpointDiffer.java:692)
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.loadAllCompactionLogs(RocksDBCheckpointDiffer.java:713)
at org.apache.hadoop.hdds.utils.db.RDBStore.<init>(RDBStore.java:167)
at
org.apache.hadoop.hdds.utils.db.DBStoreBuilder.build(DBStoreBuilder.java:219)
at
org.apache.hadoop.ozone.om.OmMetadataManagerImpl.loadDB(OmMetadataManagerImpl.java:507)
at
org.apache.hadoop.ozone.om.OmMetadataManagerImpl.loadDB(OmMetadataManagerImpl.java:486)
at
org.apache.hadoop.ozone.om.OmMetadataManagerImpl.start(OmMetadataManagerImpl.java:476)
at
org.apache.hadoop.ozone.om.OmMetadataManagerImpl.<init>(OmMetadataManagerImpl.java:320)
at
org.apache.hadoop.ozone.om.OzoneManager.instantiateServices(OzoneManager.java:747)
at org.apache.hadoop.ozone.om.OzoneManager.<init>(OzoneManager.java:627)
at
org.apache.hadoop.ozone.om.OzoneManager.createOm(OzoneManager.java:712)
at
org.apache.hadoop.ozone.om.OzoneManagerStarter$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$AbstractParseResultHandler.execute(CommandLine.java:2179)
at picocli.CommandLine.execute(CommandLine.java:2078)
at org.apache.hadoop.hdds.cli.GenericCli.execute(GenericCli.java:100)
at org.apache.hadoop.hdds.cli.GenericCli.run(GenericCli.java:91)
at
org.apache.hadoop.ozone.om.OzoneManagerStarter.main(OzoneManagerStarter.java:58)
2023-03-31 07:43:33,133 INFO
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer: Can't find SST '097484'
java.io.FileNotFoundException: Can't find SST file: 097484.sst
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.getAbsoluteSstFilePath(RocksDBCheckpointDiffer.java:562)
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.getSSTFileSummary(RocksDBCheckpointDiffer.java:541)
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.addNodeToDAG(RocksDBCheckpointDiffer.java:989)
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.lambda$populateCompactionDAG$2(RocksDBCheckpointDiffer.java:1020)
at
java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660)
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.populateCompactionDAG(RocksDBCheckpointDiffer.java:1019)
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.processCompactionLogLine(RocksDBCheckpointDiffer.java:678)
at java.util.Iterator.forEachRemaining(Iterator.java:116)
at
java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
at
java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:647)
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.readCompactionLogToDAG(RocksDBCheckpointDiffer.java:692)
at
org.apache.ozone.rocksdiff.RocksDBCheckpointDiffer.loadAllCompactionLogs(RocksDBCheckpointDiffer.java:713)
at org.apache.hadoop.hdds.utils.db.RDBStore.<init>(RDBStore.java:167)
at
org.apache.hadoop.hdds.utils.db.DBStoreBuilder.build(DBStoreBuilder.java:219)
at
org.apache.hadoop.ozone.om.OmMetadataManagerImpl.loadDB(OmMetadataManagerImpl.java:507)
at
org.apache.hadoop.ozone.om.OmMetadataManagerImpl.loadDB(OmMetadataManagerImpl.java:486)
at
org.apache.hadoop.ozone.om.OmMetadataManagerImpl.start(OmMetadataManagerImpl.java:476)
at
org.apache.hadoop.ozone.om.OmMetadataManagerImpl.<init>(OmMetadataManagerImpl.java:320)
at
org.apache.hadoop.ozone.om.OzoneManager.instantiateServices(OzoneManager.java:747)
at org.apache.hadoop.ozone.om.OzoneManager.<init>(OzoneManager.java:627)
at
org.apache.hadoop.ozone.om.OzoneManager.createOm(OzoneManager.java:712)
at
org.apache.hadoop.ozone.om.OzoneManagerStarter$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$AbstractParseResultHandler.execute(CommandLine.java:2179)
at picocli.CommandLine.execute(CommandLine.java:2078)
at org.apache.hadoop.hdds.cli.GenericCli.execute(GenericCli.java:100)
at org.apache.hadoop.hdds.cli.GenericCli.run(GenericCli.java:91)
at
org.apache.hadoop.ozone.om.OzoneManagerStarter.main(OzoneManagerStarter.java:58)
2023-03-31 07:43:34,951 ERROR org.apache.hadoop.ozone.om.OzoneManagerStarter:
OM start failed with exception
java.io.IOException: Snapshot Chain corruption: previous snapshotID given but
no associated snapshot found in snapshot chain: SnapshotID
1197e0c1-99d1-43b9-9b33-424a6c09b35a
at
org.apache.hadoop.ozone.om.SnapshotChainManager.addSnapshotGlobal(SnapshotChainManager.java:86)
at
org.apache.hadoop.ozone.om.SnapshotChainManager.addSnapshot(SnapshotChainManager.java:288)
at
org.apache.hadoop.ozone.om.SnapshotChainManager.loadFromSnapshotInfoTable(SnapshotChainManager.java:279)
at
org.apache.hadoop.ozone.om.SnapshotChainManager.<init>(SnapshotChainManager.java:63)
at
org.apache.hadoop.ozone.om.OmMetadataManagerImpl.start(OmMetadataManagerImpl.java:481)
at
org.apache.hadoop.ozone.om.OmMetadataManagerImpl.<init>(OmMetadataManagerImpl.java:320)
at
org.apache.hadoop.ozone.om.OzoneManager.instantiateServices(OzoneManager.java:747)
at org.apache.hadoop.ozone.om.OzoneManager.<init>(OzoneManager.java:627)
at
org.apache.hadoop.ozone.om.OzoneManager.createOm(OzoneManager.java:712)
at
org.apache.hadoop.ozone.om.OzoneManagerStarter$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)
2023-03-31 07:43:34,955 INFO org.apache.hadoop.ozone.om.OzoneManagerStarter:
SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down OzoneManager at
jspriv02-8.jspriv02.root.hwx.site/172.27.115.2
************************************************************/ {code}
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