[jira] [Commented] (ACCUMULO-4004) open WALs prevent DN decommissioning

["Josh Elser (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ACCUMULO-4004?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15221714#comment-15221714 ] 

Josh Elser commented on ACCUMULO-4004:
--------------------------------------

[~dlmarion], are there any relevant sections in the book that should be updated after this change? Have you given this any thought -- it sounds like it would be important/useful for ops people to know about.

> 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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