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https://issues.apache.org/jira/browse/HDFS-15099?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Shvachko updated HDFS-15099:
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Summary: [SBN Read] checkOperation(WRITE) should throw
ObserverRetryOnActiveException on ObserverNode (was: [SBN Read]
getBlockLocations() should throw ObserverRetryOnActiveException on an attempt
to change aTime on ObserverNode)
> [SBN Read] checkOperation(WRITE) should throw ObserverRetryOnActiveException
> on ObserverNode
> --------------------------------------------------------------------------------------------
>
> Key: HDFS-15099
> URL: https://issues.apache.org/jira/browse/HDFS-15099
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.10.0
> Reporter: Konstantin Shvachko
> Assignee: Chen Liang
> Priority: Major
> Attachments: HDFS-15099-branch-2.10.001.patch,
> HDFS-15099-branch-2.10.002.patch, HDFS-15099-branch-2.10.003.patch
>
>
> The precision of updating an INode's aTime while executing
> {{getBlockLocations()}} is 1 hour by default. Updates cannot be handled by
> ObserverNode, so the call should be redirected to Active NameNode. In order
> to redirect to active the ObserverNode should through
> {{ObserverRetryOnActiveException}}.
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