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Posted to issues@ozone.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/06/24 05:50:00 UTC

[jira] [Updated] (HDDS-6934) OM crashed with OzoneManagerDoubleBuffer

     [ https://issues.apache.org/jira/browse/HDDS-6934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HDDS-6934:
---------------------------------
    Labels: pull-request-available  (was: )

> OM crashed with OzoneManagerDoubleBuffer
> ----------------------------------------
>
>                 Key: HDDS-6934
>                 URL: https://issues.apache.org/jira/browse/HDDS-6934
>             Project: Apache Ozone
>          Issue Type: Bug
>          Components: Ozone Filesystem
>    Affects Versions: 1.3.0
>            Reporter: Soumitra Sulav
>            Priority: Critical
>              Labels: pull-request-available
>
> Steps followed while we encounter this issue.
>  * A test bucket was created with {{FILE_SYSTEM_OPTIMIZED}} as the layout type.
> {{ofs://ozone1/prefix94441/layout97486/}}
>  * Multiple keys and directories where created in this bucket (1000+).
>  * ListStatus operation was done to verify the sorted list.
>  * Once validated the bucket was recursively deleted using FS api.
> {code:java}
> RUNNING: /opt/cloudera/parcels/CDH/bin/ozone fs -rm -r -skipTrash 'ofs://ozone1/prefix94441/layout97486/'
> Deleted ofs://ozone1/prefix94441/layout97486
> Exit Code: 0
> {code}
> Post above operation we see OzoneManagerDoubleBuffer exception as below stacktrace
> {code:java}
> 2022-06-22 11:53:30,907 ERROR org.apache.hadoop.ozone.om.ratis.OzoneManagerDoubleBuffer: Terminating with exit status 2: OMDoubleBuffer flush thread OMDoubleBufferFlushThread encountered Throwable error
> java.lang.NullPointerException
> 	at org.apache.hadoop.ozone.om.OmMetadataManagerImpl.getBucketId(OmMetadataManagerImpl.java:1482)
> 	at org.apache.hadoop.ozone.om.response.key.OMKeysDeleteResponseWithFSO.addToDBBatch(OMKeysDeleteResponseWithFSO.java:67)
> 	at org.apache.hadoop.ozone.om.response.key.OMKeysDeleteResponse.checkAndUpdateDB(OMKeysDeleteResponse.java:70)
> 	at org.apache.hadoop.ozone.om.ratis.OzoneManagerDoubleBuffer.lambda$2(OzoneManagerDoubleBuffer.java:283)
> 	at org.apache.hadoop.ozone.om.ratis.OzoneManagerDoubleBuffer.addToBatchWithTrace(OzoneManagerDoubleBuffer.java:228)
> 	at org.apache.hadoop.ozone.om.ratis.OzoneManagerDoubleBuffer.lambda$1(OzoneManagerDoubleBuffer.java:281)
> 	at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133)
> 	at org.apache.hadoop.ozone.om.ratis.OzoneManagerDoubleBuffer.flushTransactions(OzoneManagerDoubleBuffer.java:277)
> 	at java.base/java.lang.Thread.run(Thread.java:834){code}



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