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https://issues.apache.org/jira/browse/HDFS-17446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
xiaojunxiang updated HDFS-17446:
--------------------------------
Description:
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!
was:
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 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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