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https://issues.apache.org/jira/browse/ACCUMULO-2535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeffrey Manno resolved ACCUMULO-2535.
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Resolution: Duplicate
Closing since PR [https://github.com/apache/accumulo/pull/2175] handles the
case where the issue is due to an on-going compaction while trying to be
deleted. If that is not the issue then there is not enough information to go
off of for an actionable change. A new issue can be created at
[https://github.com/apache/accumulo/issues] if this still occurs.
> large cluster failed to shutdown cleanly
> ----------------------------------------
>
> Key: ACCUMULO-2535
> URL: https://issues.apache.org/jira/browse/ACCUMULO-2535
> Project: Accumulo
> Issue Type: Bug
> Components: tserver
> Affects Versions: 1.4.4
> Environment: large cluster
> Reporter: Eric C. Newton
> Priority: Major
>
> A large 1.4.4 cluster failed to shutdown cleanly. It was stuck trying to
> unload 7 non-root !METADATA tablets. Master was sending "unload tablet"
> messages constantly, but the tserver refused to unload the tablets.
> Examining the tserver logs of one server, it began a full major compaction,
> then received the unload message, and finished the compaction. The tablet
> was never unloaded.
> The cluster had ~400 metadata tablets overall.
> System recovered after a hard shutdown of the remaining 8 servers (7 metadata
> table servers and 1 root tablet server).
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