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https://issues.apache.org/jira/browse/OAK-7055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16289099#comment-16289099
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Marcel Reutegger edited comment on OAK-7055 at 12/13/17 11:04 AM:
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More specifically, there is currently
{{RepositoryStats.getObservationEventCount()}}, which is also exposed as a
Meter. Similarly, {{RepositoryStats.getObservationQueueMaxLength()}} should get
exposed as a Counter (actually a Gauge, but Oak's StatisticsProvider does not
provide this).
was (Author: mreutegg):
More specifically, there is currently
{{RepositoryStats.getObservationEventCount()}, which is also exposed as a
Meter. Similarly, {{RepositoryStats.getObservationQueueMaxLength()}} should get
exposed as a Counter (actually a Gauge, but Oak's StatisticsProvider does not
provide this).
> Expose observation queue max length as metric
> ---------------------------------------------
>
> Key: OAK-7055
> URL: https://issues.apache.org/jira/browse/OAK-7055
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: core-spi
> Reporter: Marcel Reutegger
> Assignee: Marcel Reutegger
> Priority: Minor
> Fix For: 1.8
>
>
> In addition to the number of events delivered to listener, the repository
> should also expose the observation queue max length as a metric. This will
> make it easier to monitor the health of the system, as the queue length is a
> rather important indicator whether listeners are progressing in a timely
> manner.
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