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Posted to oak-issues@jackrabbit.apache.org by "Francesco Mari (JIRA)" <ji...@apache.org> on 2018/10/02 09:40:00 UTC
[jira] [Resolved] (OAK-7788) Measure read rate for the Segment
Store
[ https://issues.apache.org/jira/browse/OAK-7788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Francesco Mari resolved OAK-7788.
---------------------------------
Resolution: Fixed
Fixed at r1842607.
> Measure read rate for the Segment Store
> ---------------------------------------
>
> Key: OAK-7788
> URL: https://issues.apache.org/jira/browse/OAK-7788
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: segment-tar
> Reporter: Francesco Mari
> Assignee: Francesco Mari
> Priority: Major
> Fix For: 1.10
>
> Attachments: OAK-7788-01.patch
>
>
> In order to better understand the behaviour of the Segment Store, we should measure its read rate, defined as the amount of API calls performed by the user that might trigger a read to the underlying persistence layer.
> The outermost API we can instrument is the NodeState. Calls to this API represent a clear intention of the user to read the repository data. A lower level API would not carry the same semantics and would be ineffective for deducing the intentions of the user.
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