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Posted to common-issues@hadoop.apache.org by GitBox <gi...@apache.org> on 2019/06/04 17:41:53 UTC
[GitHub] [hadoop] steveloughran commented on issue #843: HADOOP-15183
S3Guard store becomes inconsistent after partial failure of rename
steveloughran commented on issue #843: HADOOP-15183 S3Guard store becomes inconsistent after partial failure of rename
URL: https://github.com/apache/hadoop/pull/843#issuecomment-498772103
thanks all for reviews, will go through them. FWIW, the latest patch has checks on dir updates if the batch update overwrites a file updated in the ongoing operation with a dir entry. And its failing in a prune test (one which shouldn't IMO, be doing a full store-wide prune)
```
[ERROR] testPruneCommandConf(org.apache.hadoop.fs.s3a.s3guard.ITestS3GuardToolDynamoDB) Time elapsed: 15.828 s <<< ERROR!
org.apache.hadoop.fs.PathIOException: `s3a://hwdev-steve-ireland-new/fork-0007/test/ITestMagicCommitProtocol-testParallelJobsToAdjacentPaths': Duplicate and inconsistent entry in update operation
at org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore$AncestorState.findDirectory(DynamoDBMetadataStore.java:2184)
at org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.completeAncestry(DynamoDBMetadataStore.java:820)
at org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.innerPut(DynamoDBMetadataStore.java:1144)
at org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.removeAuthoritativeDirFlag(DynamoDBMetadataStore.java:1418)
at org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.prune(DynamoDBMetadataStore.java:1366)
at org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.prune(DynamoDBMetadataStore.java:1325)
at org.apache.hadoop.fs.s3a.s3guard.AbstractS3GuardToolTestBase.testPruneCommand(AbstractS3GuardToolTestBase.java:295)
at org.apache.hadoop.fs.s3a.s3guard.AbstractS3GuardToolTestBase.testPruneCommandConf(AbstractS3GuardToolTestBase.java:320)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.lang.Thread.run(Thread.java:748)
```
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