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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)