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https://issues.apache.org/jira/browse/HBASE-515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12578588#action_12578588
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stack commented on HBASE-515:
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Review please (its one line change)
> At least double default timeouts between regionserver and master
> -----------------------------------------------------------------
>
> Key: HBASE-515
> URL: https://issues.apache.org/jira/browse/HBASE-515
> Project: Hadoop HBase
> Issue Type: Improvement
> Affects Versions: 0.1.0, 0.2.0, 0.16.0
> Reporter: stack
> Priority: Blocker
> Attachments: 515.patch
>
>
> 501 added logging of how long we sleep at the end of the HRegionServer main
> run method before we send heartback back to the master. Last night during
> upload I saw this:
> {code}
> 2008-03-13 00:03:50,884 WARN org.apache.hadoop.hbase.util.Sleeper: We slept
> ten times longer than scheduled: 3000
> {code}
> Above log has since been improved but its saying that we slept > 30 seconds,
> the default timeout on master/regionserver communications (When the lease
> expires, master starts giving regions to someone else and when this
> regionserver reports in, its told to close all its regions).
> Server was under load from other processes but still...upload rate was not
> that rabid.
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