[
https://issues.apache.org/jira/browse/HDFS-15177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17041204#comment-17041204
]
Stephen O'Donnell commented on HDFS-15177:
------------------------------------------
Initially the lock used the default setting, but HDFS-12137 change it to fair
(hardcoded). In HDFS-15150 we have made it configurable.
> Split datanode invalide block deletion, to avoid the FsDatasetImpl lock too
> much time.
> --------------------------------------------------------------------------------------
>
> Key: HDFS-15177
> URL: https://issues.apache.org/jira/browse/HDFS-15177
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: zhuqi
> Assignee: zhuqi
> Priority: Major
> Attachments: image-2020-02-18-22-39-00-642.png,
> image-2020-02-18-22-51-28-624.png, image-2020-02-18-22-52-59-202.png,
> image-2020-02-18-22-55-38-661.png
>
>
> In our cluster, the datanode receive the delete command with too many blocks
> deletion when we have many blockpools sharing the same datanode and the
> datanode with about 30 storage dirs, it will cause the FsDatasetImpl lock too
> much time.
>
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org
For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
