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https://issues.apache.org/jira/browse/HADOOP-1478?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12502953
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Raghu Angadi commented on HADOOP-1478:
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This will be handled in HADOOP-1134. We could mark it as 'sub' issue. Though
1134 will remove buffering in DFSDataInputStream as opposed to removing
buffering inside DFSInputSream, in order to make checksum validation closest to
user (same approach as in HADOOP-1450).
> The blockStream of DFSClient.FSInputStream should not be buffered
> -----------------------------------------------------------------
>
> Key: HADOOP-1478
> URL: https://issues.apache.org/jira/browse/HADOOP-1478
> Project: Hadoop
> Issue Type: Improvement
> Components: dfs
> Affects Versions: 0.13.0
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: 0.14.0
>
>
> Because DFSDataInputStream is buffered, the containing FSInputStream does not
> need to be buffered to avoid memory overhead and an extra copy.
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