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https://issues.apache.org/jira/browse/ACCUMULO-466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13472811#comment-13472811
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Keith Turner commented on ACCUMULO-466:
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Could also make the Accumulo file output format do something similar. It would
throw an error if you try to write a really large key. If the user really
wants to do this, they can configure the output format to accept larger keys.
Should this be a 1.5 fix?
> add a default constraint to limit the size of keys
> --------------------------------------------------
>
> Key: ACCUMULO-466
> URL: https://issues.apache.org/jira/browse/ACCUMULO-466
> Project: Accumulo
> Issue Type: Improvement
> Components: master
> Reporter: Eric Newton
> Assignee: Eric Newton
> Fix For: 1.4.2
>
>
> If a user mistakenly inserts extremely large keys, the tablet server will
> eventually run out of memory just loading indexes. This is almost certainly
> a mistake. Add a constraint, by default, to new tables, which will limit the
> size of a key to a megabyte, for example, to catch these kinds of errors
> earlier. If the user intends to use very large keys, they can always remove
> the constraint.
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