[jira] [Updated] (HDFS-16633) Reserved Space For Replicas is not released on some cases

["Akira Ajisaka (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-16633?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Akira Ajisaka updated HDFS-16633:
---------------------------------
    Fix Version/s: 3.3.9

Backported to branch-3.3.

> Reserved Space For Replicas is not released on some cases
> ---------------------------------------------------------
>
>                 Key: HDFS-16633
>                 URL: https://issues.apache.org/jira/browse/HDFS-16633
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs
>    Affects Versions: 3.1.2
>            Reporter: Prabhu Joseph
>            Assignee: Ashutosh Gupta
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0, 3.3.9
>
>          Time Spent: 1h 20m
>  Remaining Estimate: 0h
>
> Have found the Reserved Space For Replicas is not released on some cases in a Cx Prod cluster. There are few fixes like HDFS-9530 and HDFS-8072 but still the issue is not completely fixed. Have tried to debug the root cause but this will take lot of time as it is Cx Prod Cluster. 
> But we have an easier way to fix the issue completely by releasing any remaining reserved space of the Replica from the Volume. DataXceiver#writeBlock finally will call BlockReceiver#close which will check if the ReplicaInfo has any remaining reserved space, if so release from the Volume.



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