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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8033) Erasure coding: stateful (non-positional) read from files in striped layout
Date Fri, 24 Apr 2015 21:35:39 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Zhe Zhang updated HDFS-8033:
    Attachment: HDFS-8033.005.patch

Good observations Walter! We've assumed the cell size should be a multiple of packet size;
it's a great idea to gracefully handle potential misalignments. 

The 005 patch adds the logic Walter suggested. To avoid changing the behavior of super class,
it overrides the ByteBuffer reader. 

[~jingzhao] Could you take a look and see if it also addresses your earlier comments? Thanks!

> Erasure coding: stateful (non-positional) read from files in striped layout
> ---------------------------------------------------------------------------
>                 Key: HDFS-8033
>                 URL: https://issues.apache.org/jira/browse/HDFS-8033
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: HDFS-7285
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>         Attachments: ByteBufferStrategy_support_len.patch, HDFS-8033.000.patch, HDFS-8033.001.patch,
HDFS-8033.002.patch, HDFS-8033.003.patch, HDFS-8033.004.patch, HDFS-8033.005.patch

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