[jira] [Comment Edited] (HDFS-7782) Erasure coding: pread from files in striped layout

["Jing Zhao (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-7782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14483611#comment-14483611 ] 

Jing Zhao edited comment on HDFS-7782 at 4/7/15 5:52 PM:
---------------------------------------------------------

Thanks Zhe! The 010 patch looks good to me.

bq. made a small refactor in the signatures fetchBlockByteRange and actualGetFromOneDataNode.

This refactor makes sense to me. How about doing this in trunk and commit the rest first?


was (Author: jingzhao):
Thanks Zhe! The 010 patch looks good to me.

bq. made a small refactor in the signatures fetchBlockByteRange and actualGetFromOneDataNode.

This refactor makes sense to me. But how about doing this in trunk and commit the rest first?

> Erasure coding: pread from files in striped layout
> --------------------------------------------------
>
>                 Key: HDFS-7782
>                 URL: https://issues.apache.org/jira/browse/HDFS-7782
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Li Bo
>            Assignee: Zhe Zhang
>         Attachments: HDFS-7782-000.patch, HDFS-7782-001.patch, HDFS-7782-002.patch, HDFS-7782-003.patch, HDFS-7782-004.patch, HDFS-7782-005.patch, HDFS-7782-006.patch, HDFS-7782-008.patch, HDFS-7782-010.patch, HDFS-7782.007.patch, HDFS-7782.009.patch
>
>
> If client wants to read a file, he is not necessary to know and handle what layout the file is. This sub task adds logic to DFSInputStream to support reading striping layout files.



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