[jira] [Closed] (OAK-7854) Add liveliness monitoring for FileStore background operations

["Davide Giannella (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OAK-7854?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Davide Giannella closed OAK-7854.
---------------------------------

bulk close 1.8.9

> 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
>              Labels: candidate_oak_1_4, candidate_oak_1_6, candidate_oak_1_8
>             Fix For: 1.10, 1.6.14, 1.8.9, 1.4.24
>
>         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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