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Posted to hdfs-issues@hadoop.apache.org by "Xiaoqiao He (Jira)" <ji...@apache.org> on 2022/08/29 04:05:00 UTC

[jira] [Resolved] (HDFS-16735) Reduce the number of HeartbeatManager loops

     [ https://issues.apache.org/jira/browse/HDFS-16735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiaoqiao He resolved HDFS-16735.
--------------------------------
    Fix Version/s: 3.4.0
     Hadoop Flags: Reviewed
       Resolution: Fixed

Committed to trunk. Thanks [~zhangshuyan] for your contributions!

> Reduce the number of HeartbeatManager loops
> -------------------------------------------
>
>                 Key: HDFS-16735
>                 URL: https://issues.apache.org/jira/browse/HDFS-16735
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Shuyan Zhang
>            Assignee: Shuyan Zhang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>
> HeartbeatManager only processes one dead datanode (and failed storage) per round in heartbeatCheck(), that is to say, if there are ten failed storages, all datanode states need to be scanned 10 times, which is unnecessary and a waste of resources. This patch makes the number of bad storages processed per scan configurable.



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