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https://issues.apache.org/jira/browse/CASSANDRA-801?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12834631#action_12834631
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Jonathan Ellis commented on CASSANDRA-801:
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I'd rather do 10%, 10K is nothing (and the difference between 10k rows 100%
cached, 100k rows 10% cached, and 1M rows 1% cached is pretty huge when you're
stress testing. a single run of py_stress will blow through all of those.)
60M is plenty of headroom before you need to read the docs. :)
> The Key Cache should be configurable by absolute numbers
> --------------------------------------------------------
>
> Key: CASSANDRA-801
> URL: https://issues.apache.org/jira/browse/CASSANDRA-801
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Affects Versions: 0.5, 0.6, 0.7
> Reporter: Ryan King
> Assignee: Stu Hood
> Fix For: 0.6, 0.7
>
> Attachments: 0001-Convert-KeysCachedFraction-to-KeysCached.patch,
> 0002-Update-config-values.patch
>
>
> Just like the row cache, the key cache should be configurable by absolute
> numbers (not just a fraction). It would be nice to configure it by either
> memory size or entries (like the row cache).
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