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https://issues.apache.org/jira/browse/HADOOP-1937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jim Kellerman updated HADOOP-1937:
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Resolution: Fixed
Status: Resolved (was: Patch Available)
This issue is one for which it is nearly impossible to build a regression test
(it is very similar to TestDFSAbort in this regard). Consequently no regression
test has been included with this patch. It has been tested extensively in the
development environment, however and introduces no new regressions in the other
tests. Committed.
> [hbase] when the master times out a region server's lease, it is too
> aggressive in reclaiming the server's log
> --------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-1937
> URL: https://issues.apache.org/jira/browse/HADOOP-1937
> Project: Hadoop
> Issue Type: Bug
> Components: contrib/hbase
> Affects Versions: 0.15.0
> Reporter: Jim Kellerman
> Assignee: Jim Kellerman
> Fix For: 0.15.0
>
> Attachments: patch.txt
>
>
> When a region server's lease times out, the master immediately begins trying
> to split the server's log file. There have been cases where a region server
> was just a little late reporting to the master and the master had already
> started trying to reclaim the server's log, even though the server was still
> writing to it.
> There needs to be some kind of "grace period" in which, if the region server
> reports in, the master re-instates the server. If the "grace period" expires,
> then the master should start processing the server's log.
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