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https://issues.apache.org/jira/browse/HBASE-4274?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack resolved HBASE-4274.
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Resolution: Won't Fix
Rather than ping so we can crash closer to the removal of HDFS, instead try and
ride over a restart... as in HBASE-4222.
HBASE-1401 is related in that forces a roll on a period whether writes or not.
Resolving as won't do.
> RS should periodically ping its HLog pipeline even if no writes are arriving
> ----------------------------------------------------------------------------
>
> Key: HBASE-4274
> URL: https://issues.apache.org/jira/browse/HBASE-4274
> Project: HBase
> Issue Type: Improvement
> Components: regionserver, wal
> Affects Versions: 0.92.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
>
> If you restart HDFS underneath HBase, when HBase isn't taking any write load,
> the region servers won't "notice" that there's any problem until the next
> time they take a write, at which point they will abort (because the pipeline
> is gone from beneath them). It would be better if they wrote some garbage to
> their HLog once every few seconds as a sort of keepalive, so they will
> aggressively abort as soon as there's an issue.
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