[
https://issues.apache.org/jira/browse/DERBY-5772?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dag H. Wanvik updated DERBY-5772:
---------------------------------
Attachment: derby-5772-more-pagecache.diff
Uploading [^derby-5772-more-pagecache.diff]:
{quote}
adds three more counters to the page cache mbean:
- usedEntries
- currentAllocatedEntries
- maxEntries
{quote}
builds on Knut's previous patch.
> 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-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
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
