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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11536) Throttle DataNode slow BlockReceiver warnings
Date Wed, 15 Mar 2017 20:50:41 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mingliang Liu updated HDFS-11536:
---------------------------------
    Labels: 2.9.0  (was: )

> Throttle DataNode slow BlockReceiver warnings
> ---------------------------------------------
>
>                 Key: HDFS-11536
>                 URL: https://issues.apache.org/jira/browse/HDFS-11536
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>            Reporter: Xiaobing Zhou
>            Assignee: Xiaobing Zhou
>              Labels: 2.9.0
>
> There are a couple of warnings for every packet when peer is slow. See also BlockReceiver#datanodeSlowLogThresholdMs.
In order to reduce verbosity,
> this proposes logging the warning per BlockReceiver in the first time, increasing counter,
logging it again when BlockReceiver runs out of life cycle.



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