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https://issues.apache.org/jira/browse/ACCUMULO-4428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15447082#comment-15447082
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Adam J Shook commented on ACCUMULO-4428:
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Opened https://github.com/apache/accumulo/pull/143
> GC does not delete WAL files belonging to dead tservers
> -------------------------------------------------------
>
> Key: ACCUMULO-4428
> URL: https://issues.apache.org/jira/browse/ACCUMULO-4428
> Project: Accumulo
> Issue Type: Bug
> Affects Versions: 1.7.2
> Reporter: Adam J Shook
> Assignee: Michael Wall
> Priority: Blocker
> Fix For: 1.7.3
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> The GarbageCollectWriteAheadLogs uses a Map<HostAndPort,Long> to track when
> it had first seen a dead tserver, waiting an hour before deleting the files.
> However, a new instance of this class is re-created during each run of the
> SimpleGarbageCollector, causing the state of the dead tservers to be lost.
> All of the WAL files belonging to a dead tserver will never be removed.
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