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https://issues.apache.org/jira/browse/HDFS-15616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Janus Chow updated HDFS-15616:
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Summary: [SBN] Disable trigger edit Log Roll from Observers (was: [SBN]
Disable trigger edit Log Roll for Observers)
> [SBN] Disable trigger edit Log Roll from Observers
> --------------------------------------------------
>
> Key: HDFS-15616
> URL: https://issues.apache.org/jira/browse/HDFS-15616
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
> Reporter: Janus Chow
> Priority: Major
> Attachments: HDFS-15616.001.patch
>
>
> Currently when Observer is transitioned from StandbyState, the editLogTailer
> will still send the request to roll editLog to ActiveNN, which should be
> disabled to keep the definition of "logRollPeriodMs" clear.
> One thing I'm not sure is for a cluster with multi standby Namenode, all the
> standby NN will trigger the roll. Should this feature be extended to all
> standby NNs or implementing on observers first?
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