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https://issues.apache.org/jira/browse/DERBY-5772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14128219#comment-14128219
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Knut Anders Hatlen commented on DERBY-5772:
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I've filed a separate issue for monitoring the cache (DERBY-6733) so that we
don't have to mix too many discussions here.
> Give users a way to monitor more Derby internals.
> --------------------------------------------------
>
> Key: DERBY-5772
> URL: https://issues.apache.org/jira/browse/DERBY-5772
> Project: Derby
> Issue Type: Improvement
> Components: JMX, Tools
> Affects Versions: 10.9.1.0
> Reporter: Rick Hillegas
> Attachments: derby-5772-db-bean-1.diff,
> derby-5772-more-pagecache.diff, pagecache-counters.diff,
> pagecache-counters.diff, pagecache-counters.png
>
>
> We should give users a way to track hits/misses in the page cache. This will
> help users tune the size of the page cache. JMX-visible monitors might be a
> useful solution here. See the following email thread:
> http://old.nabble.com/Cache-Hit-Miss-rates-for-Derby-pageCache-to33865646.html#a33865646
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