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https://issues.apache.org/jira/browse/OAK-7854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16660565#comment-16660565
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Michael Dürig edited comment on OAK-7854 at 10/23/18 12:33 PM:
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Monitoring output for mean flush time in ms and flush invocation rate per
second over a one minute interval ({{oak.segment.flush}} metric):
!Screen Shot 2018-10-23 at 14.26.15.png|width=500!
was (Author: mduerig):
Monitoring output for mean flush time in ms and flush invocation rate per
second over a one minute interval:
!Screen Shot 2018-10-23 at 14.26.15.png|width=500!
> Add liveliness monitoring for FileStore background operations
> ---------------------------------------------------------------
>
> Key: OAK-7854
> URL: https://issues.apache.org/jira/browse/OAK-7854
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: segment-tar
> Reporter: Michael Dürig
> Assignee: Michael Dürig
> Priority: Major
> Fix For: 1.10
>
> Attachments: Screen Shot 2018-10-23 at 14.26.15.png
>
>
> The FileStore background operations are ultimately executed through a
> {{ScheduledExecutorService}}. In the case this scheduling gets blocked (e.g.
> because of a deadlock or lock contention in one of its tasks) there is chance
> of repository corruption.
> To minimise potential data loss we should implement monitoring endpoints for
> the vital background operations. This would allow deployments to take action
> early in case of failures and thus minimise potential data loss and simplify
> recovery.
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