[GitHub] [hadoop] jianghuazhu commented on a change in pull request #3302: HDFS-16173.Improve CopyCommands#Put#executor queue configurability.

[GitBox <gi...@apache.org>]

jianghuazhu commented on a change in pull request #3302:
URL: https://github.com/apache/hadoop/pull/3302#discussion_r690875212



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File path: hadoop-common-project/hadoop-common/src/site/markdown/FileSystemShell.md
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@@ -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:
       Thanks to @jojochuang  comment, I will make some changes later.

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File path: hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/shell/CopyCommands.java
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@@ -256,6 +258,8 @@ protected void processOptions(LinkedList<String> args)
         "  -p : Preserves timestamps, ownership and the mode.\n" +
         "  -f : Overwrites the destination if it already exists.\n" +
         "  -t <thread count> : Number of threads to be used, default is 1.\n" +
+        "  -q <threadPool size> : Number of threadPool queue size to be used, " +

Review comment:
       Thanks to @jojochuang  comment, I will make some changes later.




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