[jira] [Resolved] (HDDS-12929) Datanode Should Immediately Trigger Container Close when Volume Full

["Sumit Agrawal (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-12929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sumit Agrawal resolved HDDS-12929.
----------------------------------
    Fix Version/s: 2.1.0
       Resolution: Fixed

> Datanode Should Immediately Trigger Container Close when Volume Full
> --------------------------------------------------------------------
>
>                 Key: HDDS-12929
>                 URL: https://issues.apache.org/jira/browse/HDDS-12929
>             Project: Apache Ozone
>          Issue Type: Sub-task
>          Components: Ozone Datanode
>            Reporter: Sumit Agrawal
>            Assignee: Siddhant Sangwan
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 2.1.0
>
>
> SCM keeps allocating blocks till DN reports that the container is full. This is limitation as:
>  * Blocks as written can be small like 1 KB to high as 256MB, so can not identify number of blocks at SCM
>  * Communication from DN to SCM is every 30 seconds, and report handling at SCM may take time, so container size can not be guaranteed to be reported immediately.
>  
> *An improvement is possible,*
> *ICR* for Container Close action, this can be reported more immediately.
>  
> This will reduce the impact of write operation being rejected due to disk fail situation.



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