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https://issues.apache.org/jira/browse/HDFS-8443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14553730#comment-14553730
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Akira AJISAKA commented on HDFS-8443:
-------------------------------------
Thanks [~andreina] for taking this issue. Some comments:
bq. dfs.namenode.handler.count
* Would you document that if {{dfs.namenode.servicerpc-address}} is not
configured, the threads handle requests from all the nodes?
bq. dfs.namenode.service.handler.count
* Would you document that the parameter is valid only if
{{dfs.namenode.servicerpc-address}} is configured?
* The threads handle requests from BackupNode and SecondaryNode as well, so
"DataNodes" should be "DataNodes and all other non-client nodes".
> Document dfs.namenode.service.handler.count in hdfs-site.xml
> ------------------------------------------------------------
>
> Key: HDFS-8443
> URL: https://issues.apache.org/jira/browse/HDFS-8443
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: documentation
> Reporter: Akira AJISAKA
> Assignee: J.Andreina
> Attachments: HDFS-8443.1.patch, HDFS-8443.2.patch
>
>
> When dfs.namenode.servicerpc-address is configured, NameNode launches an
> extra RPC server to handle requests from non-client nodes.
> dfs.namenode.service.handler.count specifies the number of threads for the
> server but the parameter is not documented anywhere.
> I found a mail for asking about the parameter.
> http://mail-archives.apache.org/mod_mbox/hadoop-user/201505.mbox/%3CE0D5A619-BDEA-44D2-81EB-C32B8464133D%40gmail.com%3E
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