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https://issues.apache.org/jira/browse/CASSANDRA-2325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13080198#comment-13080198
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Jonathan Ellis commented on CASSANDRA-2325:
-------------------------------------------
The row cache doesn't actually save row contents, just keys that are
re-populated on startup. (Otherwise every write would have to update the cache
file too.)
> invalidateKeyCache / invalidateRowCache should remove saved cache files from
> disk
> ---------------------------------------------------------------------------------
>
> Key: CASSANDRA-2325
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2325
> Project: Cassandra
> Issue Type: Improvement
> Affects Versions: 0.7.8, 0.8.2
> Reporter: Matthew F. Dennis
> Assignee: Edward Capriolo
> Priority: Minor
> Attachments: cassandra-2325-1.patch.txt
>
>
> the invalidate[Key|Row]Cache calls don't remove the saved caches from disk.
> It seems logical that if you are clearing the caches you don't expect them to
> be reinstantiated with the old values the next time C* starts.
> This is not a huge issue since next time the caches are saved the old values
> will be removed.
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