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https://issues.apache.org/jira/browse/HDFS-17254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17798830#comment-17798830
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ASF GitHub Bot commented on HDFS-17254:
---------------------------------------
ayushtkn commented on code in PR #6307:
URL: https://github.com/apache/hadoop/pull/6307#discussion_r1432295491
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml:
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@@ -154,6 +154,14 @@
</description>
</property>
+<property>
+ <name>dfs.datanode.netty.worker.threads</name>
+ <value>10</value>
Review Comment:
Changing defaults is an incompatible change, it should stay the same. the
code is there since 2014, if someone finds it isn't a good number he can
configure explicitly
> DataNode httpServer has too many worker threads
> -----------------------------------------------
>
> Key: HDFS-17254
> URL: https://issues.apache.org/jira/browse/HDFS-17254
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: Liangjun He
> Assignee: Liangjun He
> Priority: Minor
> Labels: pull-request-available
>
> When optimizing the thread number of high-density storage DN, we found the
> number of worker threads for the DataNode httpServer is twice the number of
> available cores on node , resulting in too many threads. We can change this
> to be configurable.
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