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https://issues.apache.org/jira/browse/HDFS-7882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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J.Andreina resolved HDFS-7882.
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Resolution: Not A Problem
> Audit logging should be added for Rolling Upgrade ( Rollback , Downgrade )
> --------------------------------------------------------------------------
>
> Key: HDFS-7882
> URL: https://issues.apache.org/jira/browse/HDFS-7882
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: J.Andreina
> Assignee: J.Andreina
>
> Currently we have audit logs for Rolling upgrade: start and finalize .
> {noformat}
> 2015-03-04 17:18:16,119 | INFO | IPC Server handler 5 on 9000 | allowed=true
> ugi=Rex (auth:SIMPLE) ip=/XXXXXXXXXXXXXX cmd=startRollingUpgrade
> src=null dst=null perm=null proto=rpc |
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem$DefaultAuditLogger.logAuditMessage(FSNamesystem.java:8104)
> 2015-03-04 17:24:04,615 | INFO | IPC Server handler 7 on 9000 | allowed=true
> ugi=Rex (auth:SIMPLE) ip=/XXXXXXXXXXXXXX cmd=finalizeRollingUpgrade
> src=null dst=null perm=null proto=rpc |
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem$DefaultAuditLogger.logAuditMessage(FSNamesystem.java:8104)
> {noformat}
> For rollback and downgrade also audit logs should be added.
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