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https://issues.apache.org/jira/browse/OAK-3654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15026297#comment-15026297
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Chetan Mehrotra commented on OAK-3654:
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bq. As mentioned earlier, using the context.stop() pattern avoids inadvertent
bugs.
With 1716310 introduced the Context support for time handling and refactored
QueryManagerImpl to use that in 1716311
> Integrate with Metrics for various stats collection
> ----------------------------------------------------
>
> Key: OAK-3654
> URL: https://issues.apache.org/jira/browse/OAK-3654
> Project: Jackrabbit Oak
> Issue Type: New Feature
> Components: core
> Reporter: Chetan Mehrotra
> Assignee: Chetan Mehrotra
> Fix For: 1.3.12
>
> Attachments: OAK-3654-fast-clock.patch, OAK-3654-v1.patch,
> query-stats.png
>
>
> As suggested by [~ianeboston] in OAK-3478 current approach of collecting
> TimeSeries data is not easily consumable by other monitoring systems. Also
> just extracting the last moment data and exposing it in simple form would not
> be useful.
> Instead of that we should look into using Metrics library [1] for collecting
> metrics. To avoid having dependency on Metrics API all over in Oak we can
> come up with minimal interfaces which can be used in Oak and then provide an
> implementation backed by Metric.
> This task is meant to explore that aspect and come up with proposed changes
> to see if its feasible to make this change
> * metrics-core ~100KB in size with no dependency
> * ASL Licensee
> [1] http://metrics.dropwizard.io
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