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https://issues.apache.org/jira/browse/HBASE-20902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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chenxu updated HBASE-20902:
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Description: during Log rolling, we should bypass the slow DN that the
previously Log used. (was: in our prod env, there happened to be a slow DN,
all WAL#sync with that DN are failed,
during Log rolling, we should bypass the slow DN that the previously Log used.)
> when WAL sync failed, we should bypass the failed DN that previously used
> -------------------------------------------------------------------------
>
> Key: HBASE-20902
> URL: https://issues.apache.org/jira/browse/HBASE-20902
> Project: HBase
> Issue Type: Bug
> Components: wal
> Reporter: chenxu
> Priority: Major
> Attachments: HBASE-20902-master-v1.patch
>
>
> during Log rolling, we should bypass the slow DN that the previously Log used.
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