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https://issues.apache.org/jira/browse/CASSANDRA-13019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16969313#comment-16969313
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Jeff Jirsa commented on CASSANDRA-13019:
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[~maxwellguo] I'm sorry I didnt see this issue and didnt realize you had
started working on it. I have a patch I wrote independently from
CASSANDRA-13019 - are you interested in reviewing that for me? Alternatively,
if you have this done, I'm happy to review your patch instead?
> Improve clearsnapshot command to delete the snapshot files slowly.
> ------------------------------------------------------------------
>
> Key: CASSANDRA-13019
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13019
> Project: Cassandra
> Issue Type: Improvement
> Components: Legacy/Core
> Reporter: Dikang Gu
> Assignee: maxwellguo
> Priority: Normal
> Fix For: 4.x
>
>
> In our environment, we are creating snapshots for backup, after we finish the
> backup, we are running {{clearsnapshot}} to delete the snapshot files. At
> that time we may have thousands of files to delete, and it's causing sudden
> disk usage spike. As a result, we are experiencing a spike of drop messages
> from Cassandra.
> I think we should implement something like {{slowrm}} to delete the snapshot
> files slowly, avoid the sudden disk usage spike.
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