[jira] [Commented] (HDFS-15899) Remove rpcThreadPool from DeadNodeDetector.
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https://issues.apache.org/jira/browse/HDFS-15899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17304175#comment-17304175
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Hadoop QA commented on HDFS-15899:
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[jira] [Commented] (HDFS-15899) Remove rpcThreadPool from DeadNodeDetector.
[ https://issues.apache.org/jira/browse/HDFS-15899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17303875#comment-17303875 ] Jinglun commented on HDFS-15899: Submit v02 fix checkstyle. The failed unit tests are not related. > Remove rpcThreadPool from DeadNodeDetector. > --- > > Key: HDFS-15899 > URL: https://issues.apache.org/jira/browse/HDFS-15899 > Project: Hadoop HDFS > Issue Type: Improvement >Reporter: Jinglun >Assignee: Jinglun >Priority: Major > Attachments: HDFS-15899.001.patch, HDFS-15899.002.patch > > > The DeadNodeDetector uses a thread pool to do all the probe rpc calls. The > purpose is to use the thread pool timeout to monitor the probe timeout. But > the rpc client already has a timeout. We can use the rpc client timeout > instead of the thread pool timeout and remove the rpcThreadPool. > The rpcThreadPool introduces additional complexity for probing the DataNode. > The probe task waiting in the busy rpcThreadPool might exceed the configured > timeout. The probe task will be marked as failed even it is not scheduled. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-15899) Remove rpcThreadPool from DeadNodeDetector.
[
https://issues.apache.org/jira/browse/HDFS-15899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17302608#comment-17302608
]
Hadoop QA commented on HDFS-15899:
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[jira] [Commented] (HDFS-15899) Remove rpcThreadPool from DeadNodeDetector.
[ https://issues.apache.org/jira/browse/HDFS-15899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17302372#comment-17302372 ] Jinglun commented on HDFS-15899: Submit v01. Hi [~leosun08], could you help reviewing this, thanks ! > Remove rpcThreadPool from DeadNodeDetector. > --- > > Key: HDFS-15899 > URL: https://issues.apache.org/jira/browse/HDFS-15899 > Project: Hadoop HDFS > Issue Type: Improvement >Reporter: Jinglun >Assignee: Jinglun >Priority: Major > Attachments: HDFS-15899.001.patch > > > The DeadNodeDetector uses a thread pool to do all the probe rpc calls. The > purpose is to use the thread pool timeout to monitor the probe timeout. But > the rpc client already has a timeout. We can use the rpc client timeout > instead of the thread pool timeout and remove the rpcThreadPool. > The rpcThreadPool introduces additional complexity for probing the DataNode. > The probe task waiting in the busy rpcThreadPool might exceed the configured > timeout. The probe task will be marked as failed even it is not scheduled. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
