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https://issues.apache.org/jira/browse/HADOOP-11758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14481317#comment-14481317
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Colin Patrick McCabe commented on HADOOP-11758:
-----------------------------------------------

Thanks for attaching this.  I've been meaning to put up some more real-world 
data from my hdfs cluster myself.

It looks like we still have a problem with overly long span names in a few 
places... e.g., {{org.apache.hadoop.hdfs.protocol.ClientProtocol.complete}} 
should really be {{ClientProtocol#complete}}.  Let me see if I can find where 
it's doing this...

> Add options to filter out too much granular tracing spans
> ---------------------------------------------------------
>
>                 Key: HADOOP-11758
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11758
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: tracing
>            Reporter: Masatake Iwasaki
>            Assignee: Masatake Iwasaki
>            Priority: Minor
>         Attachments: testWriteTraceHooks-HDFS-8026.html, 
> testWriteTraceHooks.html
>
>
> in order to avoid queue in span receiver spills



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