You are viewing a plain text version of this content. The canonical link for it is here.

Posted to hdfs-issues@hadoop.apache.org by "Xiaoqiao He (Jira)" <ji...@apache.org> on 2024/09/29 03:00:00 UTC

[jira] [Resolved] (HDFS-17626) Reduce lock contention at datanode startup

     [ https://issues.apache.org/jira/browse/HDFS-17626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiaoqiao He resolved HDFS-17626.
--------------------------------
    Fix Version/s: 3.5.0
     Hadoop Flags: Reviewed
       Resolution: Fixed

> Reduce lock contention at datanode startup
> ------------------------------------------
>
>                 Key: HDFS-17626
>                 URL: https://issues.apache.org/jira/browse/HDFS-17626
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Tao Li
>            Assignee: Tao Li
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 3.5.0
>
>         Attachments: image-2024-09-18-20-45-56-999.png
>
>
> During the datanode startup process, there is a debug log, because there is no LOG.isDebugEnabled() guard, so even if debug is not enabled, the read lock will be obtained. The guard should be added here to reduce lock contention.
> !image-2024-09-18-20-45-56-999.png|width=333,height=263!
> !https://docs.corp.vipshop.com/uploader/f/4DSEukZKf6cV5VRY.png?accessToken=eyJhbGciOiJIUzI1NiIsImtpZCI6ImRlZmF1bHQiLCJ0eXAiOiJKV1QifQ.eyJleHAiOjE3MjY2NjQxNjYsImZpbGVHVUlEIjoiQWxvNE5uOU9OYko2aDJ4WCIsImlhdCI6MTcyNjY2MzU2NiwiaXNzIjoidXBsb2FkZXJfYWNjZXNzX3Jlc291cmNlIiwidXNlcklkIjo2MTYyMTQwfQ.DwDBnJ6I8vCFd14A-wsq2oLU5a0rcPoUvq49Z4aWg2A|width=334,height=133!



--
This message was sent by Atlassian Jira
(v8.20.10#820010)

---------------------------------------------------------------------
To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org