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https://issues.apache.org/jira/browse/OAK-3309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Parvulescu updated OAK-3309:
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Attachment: OAK-3309.patch
proposed patch!
changes
- added a weigher based on the segment.size
- each segment load operation will go through the loader now, so stats will be
recorded (even if the segment read operations are sampled from the cache)
- thanks to the weigher the segment cache mbean can now also provide a sample
of how full the cache is vs. its max size
I observed a change in behavior wrt. what I remember from a while back before
the current cache was introduced: the bulk segments were not cached, just the
data ones. any ideas why this changed? I left a TODO in the code about this,
apologies if this was already discussed and I missed it.
[~mduerig], [~frm] feedback appreciated!
> SegmentMK segment cache loader stats
> ------------------------------------
>
> Key: OAK-3309
> URL: https://issues.apache.org/jira/browse/OAK-3309
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: segmentmk
> Reporter: Alex Parvulescu
> Assignee: Alex Parvulescu
> Attachments: OAK-3309.patch
>
>
> The existing Segment Cache has no loading-related stats, I'd like to see how
> complicated it would be to add some.
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