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https://issues.apache.org/jira/browse/CASSANDRA-11090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15137343#comment-15137343
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Aleksey Yeschenko commented on CASSANDRA-11090:
-----------------------------------------------
Pushed a simple fix here - checking for iterator emptiness before proceeding to
create a file.
||branch||testall||dtest||
|[11090-3.0|https://github.com/iamaleksey/cassandra/tree/11090-3.0]|[testall|http://cassci.datastax.com/view/Dev/view/iamaleksey/job/iamaleksey-11090-3.0-testall]|[dtest|http://cassci.datastax.com/view/Dev/view/iamaleksey/job/iamaleksey-11090-3.0-dtest]|
|[11090-3.4|https://github.com/iamaleksey/cassandra/tree/11090-3.4]|[testall|http://cassci.datastax.com/view/Dev/view/iamaleksey/job/iamaleksey-11090-3.4-testall]|[dtest|http://cassci.datastax.com/view/Dev/view/iamaleksey/job/iamaleksey-11090-3.4-dtest]|
> Hinted Handoff loop
> -------------------
>
> Key: CASSANDRA-11090
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11090
> Project: Cassandra
> Issue Type: Bug
> Reporter: Blake Eggleston
> Assignee: Aleksey Yeschenko
> Priority: Minor
> Fix For: 3.0.x, 3.x
>
>
> After the hints executor finishes sending hints, another hints file is
> created for the same host, which is then processed on the next go around.
> This continues indefinitely. The new hint files are empty, so there shouldn't
> be any network traffic. However, there's still unnecessary hint activity, and
> the hint crc file isn't deleted in the 3.0 branch after hints are dispatched
> (but is in trunk), so any hint activity will trigger ~8640 files being
> created per day until the node is restarted. Restarting the node fixes the
> problem, after the existing hint files are processed.
> This can be duplicated on cassandra-3.0 to trunk with this script:
> https://gist.github.com/bdeggleston/13fbb9e70c0c0bd277c7
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