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https://issues.apache.org/jira/browse/HDFS-17262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17788577#comment-17788577
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Xing Lin commented on HDFS-17262:
---------------------------------

[~rdingankar] is out until early Dec. I pushed out a PR on his behalf. 

> Transfer rate metric warning log is too verbose
> -----------------------------------------------
>
>                 Key: HDFS-17262
>                 URL: https://issues.apache.org/jira/browse/HDFS-17262
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Bryan Beaudreault
>            Priority: Major
>              Labels: pull-request-available
>
> HDFS-16917 added a LOG.warn when passed duration is 0. The unit for duration 
> is millis, and its very possible for a read to take less than a millisecond 
> when considering local TCP connection. We are seeing this spam multiple times 
> per millisecond. There's another report on the PR for HDFS-16917.
> Please downgrade to debug or remove the log



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