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https://issues.apache.org/jira/browse/ACCUMULO-952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13549699#comment-13549699
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Keith Turner commented on ACCUMULO-952:
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Could possible just make the command fail if it would create tablet with over a
certain number of files. The user could override this with the -f option
maybe.
> Default action on `merge` command can be painful
> ------------------------------------------------
>
> Key: ACCUMULO-952
> URL: https://issues.apache.org/jira/browse/ACCUMULO-952
> Project: Accumulo
> Issue Type: Improvement
> Components: shell
> Affects Versions: 1.4.2
> Reporter: Josh Elser
> Assignee: Billie Rinaldi
> Priority: Minor
> Fix For: 1.5.0
>
>
> If a user issues a merge via the shell for a table with no other arguments,
> this causes a table to merge down to one tablet. This can make Accumulo
> really unhappy, especially if the number of files for that tablet exceeds the
> configured threshold (100 by default?).
> Perhaps a confirmation could be added to the merge command just to make sure
> that the user knows what they are doing? Other ideas?
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