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https://issues.apache.org/jira/browse/HDFS-16173?focusedWorklogId=638971&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-638971
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ASF GitHub Bot logged work on HDFS-16173:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 18/Aug/21 03:27
            Start Date: 18/Aug/21 03:27
    Worklog Time Spent: 10m 
      Work Description: jojochuang commented on a change in pull request #3302:
URL: https://github.com/apache/hadoop/pull/3302#discussion_r690872102



##########
File path: 
hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md
##########
@@ -542,6 +542,8 @@ Options:
 * `-l` : Allow DataNode to lazily persist the file to disk, Forces a 
replication
  factor of 1. This flag will result in reduced durability. Use with care.
 * `-d` : Skip creation of temporary file with the suffix `._COPYING_`.
+* `-q <threadPool queue size>` : Number of threadPool queue size to be used, 

Review comment:
       here, too.




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 638971)
    Time Spent: 1.5h  (was: 1h 20m)

> Improve CopyCommands#Put#executor queue configurability
> -------------------------------------------------------
>
>                 Key: HDFS-16173
>                 URL: https://issues.apache.org/jira/browse/HDFS-16173
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: fs
>            Reporter: JiangHua Zhu
>            Assignee: JiangHua Zhu
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 1.5h
>  Remaining Estimate: 0h
>
> In CopyCommands#Put, the number of executor queues is a fixed value, 1024.
> We should make him configurable, because there are different usage 
> environments.



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