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https://issues.apache.org/jira/browse/CASSANDRA-7127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13986183#comment-13986183
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Jonathan Ellis edited comment on CASSANDRA-7127 at 4/30/14 10:53 PM:
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You can set auto_snapshot: false if you want to turn this behavior off
entirely; otherwise, nodetool clearsnapshot will allow this post-CASSANDRA-6821
was (Author: jbellis):
You can set auto_snapshot: false if you want to turn this behavior off
entirely; otherwise, nodetool clearsnapshot will allow this post-CASSANDRA-6281
> Add command to reclaim disk space for dropped column families
> -------------------------------------------------------------
>
> Key: CASSANDRA-7127
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7127
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Bogdan Batranut
> Priority: Trivial
> Fix For: 2.1 beta2
>
>
> I found out that after a DROP a column family's data is not deleted. I looked
> into the /data/keyspace dir and saw dirs corresponding to old columnfamilies
> that I have dropped in the past. I do see the benefit of taking snapshots
> when dropping but I can also see the need to reclaim disk space. During
> developent on a cluster that will be in production, people might push a lot
> of data into a columnfamily and change the definition for some reason. The
> old unused data will eat a lot of space.
> So can you please implement a feature that will reclaim badly used disk space?
> Thank you.
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