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https://issues.apache.org/jira/browse/ACCUMULO-4004?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15221909#comment-15221909
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Dave Marion commented on ACCUMULO-4004:
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bq. it sounds like it would be important/useful for ops people to know about.
Agreed. I had not considered updates to the book - I don't have a copy and I
don't know if there are planned updates.
> open WALs prevent DN decommissioning
> ------------------------------------
>
> Key: ACCUMULO-4004
> URL: https://issues.apache.org/jira/browse/ACCUMULO-4004
> Project: Accumulo
> Issue Type: Improvement
> Components: tserver
> Reporter: Eric Newton
> Assignee: Dave Marion
> Fix For: 1.6.6, 1.7.2, 1.8.0
>
> Attachments: ACCUMULO-4004-1.patch
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> It should be possible to manually roll WALs so that files on decommissioning
> datanodes are closed and the decommissioning process can complete. At the
> very least, the logs could be closed after an elapsed period of time, such as
> an hour.
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