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https://issues.apache.org/jira/browse/HDFS-15323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Shvachko updated HDFS-15323:
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Attachment: HDFS-15323.002.patch
> StandbyNode fails transition to active due to insufficient transaction tailing
> ------------------------------------------------------------------------------
>
> Key: HDFS-15323
> URL: https://issues.apache.org/jira/browse/HDFS-15323
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode, qjm
> Affects Versions: 2.7.7
> Reporter: Konstantin Shvachko
> Priority: Major
> Attachments: HDFS-15323.000.unitTest.patch, HDFS-15323.001.patch,
> HDFS-15323.002.patch
>
>
> StandbyNode is asked to {{transitionToActive()}}. If it fell too far behind
> in tailing journal transaction (from QJM) it can crash with
> {{IllegalStateException}}.
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