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Posted to hdfs-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2025/10/01 00:26:00 UTC
[jira] [Commented] (HDFS-17446) The DataNode adds a log to report its progress during addToReplicasMap execution.
[ https://issues.apache.org/jira/browse/HDFS-17446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18023932#comment-18023932 ]
ASF GitHub Bot commented on HDFS-17446:
---------------------------------------
github-actions[bot] closed pull request #6685: HDFS-17446. The DataNode adds a log to report its progress during addToReplicasMap execution.
URL: https://github.com/apache/hadoop/pull/6685
> The DataNode adds a log to report its progress during addToReplicasMap execution.
> ---------------------------------------------------------------------------------
>
> Key: HDFS-17446
> URL: https://issues.apache.org/jira/browse/HDFS-17446
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
> Reporter: xiaojunxiang
> Priority: Critical
> Labels: pull-request-available
> Attachments: image-2024-03-28-23-53-29-057.png, image-2024-04-01-17-26-05-433.png
>
>
> Datanodes do not print logs when addToReplicasMap is just started, so we will not be aware of its progress, or even wait up to 4 hours for a large cluster. This is very confusing.
> A cluster is as follows:
> !image-2024-03-28-23-53-29-057.png!
>
> The optimized result is as follows:
> (Because Scan thread is ForkJoinPool, so the printing may be repeated, but it will affect the overall progress of the presentation
> )
> !image-2024-04-01-17-26-05-433.png!
>
>
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