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Posted to oak-issues@jackrabbit.apache.org by "Thomas Mueller (JIRA)" <ji...@apache.org> on 2016/02/11 10:48:18 UTC
[jira] [Commented] (OAK-3850) Collect and expose Persistent Cache
stats
[ https://issues.apache.org/jira/browse/OAK-3850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15142476#comment-15142476 ]
Thomas Mueller commented on OAK-3850:
-------------------------------------
I see the following statistics are useful (per map):
- Space usage (on disk)
- Hit rate on the persistent part. Currently a hit on the persistent part of the cache seems to be counted as a cache miss; only a hit on the in-memory part is considered a cache hit.
> Collect and expose Persistent Cache stats
> -----------------------------------------
>
> Key: OAK-3850
> URL: https://issues.apache.org/jira/browse/OAK-3850
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: core, documentmk
> Reporter: Teodor Rosu
> Assignee: Thomas Mueller
> Fix For: 1.4
>
> Attachments: OAK-3850-v0.patch, OAK-3850-v1.patch, test-performance-v0.patch
>
>
> Expose persistent cache statistics ( see: [Guava CacheStats|http://docs.guava-libraries.googlecode.com/git/javadoc/com/google/common/cache/CacheStats.html] )
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