[jira] [Resolved] (HDFS-16500) Make asynchronous blocks deletion lock and unlock durtion threshold configurable

["Xiaoqiao He (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-16500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiaoqiao He resolved HDFS-16500.
--------------------------------
       Fix Version/s: 3.4.0
        Hadoop Flags: Reviewed
    Target Version/s:   (was: 3.3.1, 3.3.2)
          Resolution: Fixed

Committed to trunk. Thanks [~smarthan] for your contributions.

> Make asynchronous blocks deletion lock and unlock durtion threshold configurable 
> ---------------------------------------------------------------------------------
>
>                 Key: HDFS-16500
>                 URL: https://issues.apache.org/jira/browse/HDFS-16500
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namanode
>            Reporter: Chengwei Wang
>            Assignee: Chengwei Wang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>          Time Spent: 2h 10m
>  Remaining Estimate: 0h
>
> I have backport the nice feature HDFS-16043 to our internal branch, it works well in our testing cluster.
> I think it's better to make the fields *_deleteBlockLockTimeMs_* and *_deleteBlockUnlockIntervalTimeMs_* configurable, so that we can control the lock and unlock duration.
> {code:java}
> private final long deleteBlockLockTimeMs = 500;
> private final long deleteBlockUnlockIntervalTimeMs = 100;{code}
> And we should set the default value smaller to avoid blocking other requests long time when deleting some  large directories.



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