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https://issues.apache.org/jira/browse/HDFS-7698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14308414#comment-14308414
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Colin Patrick McCabe edited comment on HDFS-7698 at 2/6/15 2:28 AM:
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Hi Colin, I find the {{synchronized}} for {{HdfsDataInputStream#getAllBlocks}} 
and {{FSDataInputStream#seek}} are unnecessary too, I file JIRA HDFS-7741 to 
fix, please take a look.


was (Author: hitliuyi):
Hi Colin, I find the {{synchronized}} for {{HdfsDataInputStream#getAllBlocks}} 
and {{FSDataInputStream#seek}} are unnecessary too, I file JIRA HDFS-7740 to 
fix, please take a look.

> Fix locking on HDFS read statistics and add a method for clearing them.
> -----------------------------------------------------------------------
>
>                 Key: HDFS-7698
>                 URL: https://issues.apache.org/jira/browse/HDFS-7698
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.7.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>             Fix For: 2.7.0
>
>         Attachments: HDFS-7698.002.patch, HDFS-7698.003.patch
>
>
> Fix locking on HDFS read statistics and add a method for clearing them.



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