[jira] [Resolved] (HDDS-4120) Implement cleanup service for OM open key table

["Ethan Rose (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-4120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ethan Rose resolved HDDS-4120.
------------------------------
    Fix Version/s: 1.3.0
       Resolution: Fixed

Hi [~ckj] [~micahzhao] I'm resolving this Jira since all the subtasks are implemented. If you would like to add more tasks we can re-open this Jira or start a new one. Thanks for the work!

> Implement cleanup service for OM open key table
> -----------------------------------------------
>
>                 Key: HDDS-4120
>                 URL: https://issues.apache.org/jira/browse/HDDS-4120
>             Project: Apache Ozone
>          Issue Type: New Feature
>          Components: OM HA
>            Reporter: Ethan Rose
>            Assignee: Ethan Rose
>            Priority: Major
>             Fix For: 1.3.0
>
>
> Currently, uncommitted keys in the OM open key table remain there until they are committed. A background service should periodically run to remove open keys and their associated blocks from memory if the key is past a certain age. This value will be configurable with the existing ozone.open.key.expire.threshold setting, which currently has a default value of 1 day. Any uncommitted key in the open key table older than this will be marked for deletion, and cleaned up with the existing OM key deleting service. A configurable value should limit the number of open keys that can be removed in one run of the service.
> [Design Document|https://docs.google.com/document/d/1pEczSN8O0T60UMHF2GYX0PJbfzpaHPTbsEkOoBdBwQE/edit?usp=sharing] 
>  



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