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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8319) Erasure Coding: support decoding for stateful read
Date Tue, 02 Jun 2015 07:00:50 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jing Zhao updated HDFS-8319:
----------------------------
    Attachment: HDFS-8319.002.patch

Update the patch that
# addresses Walter's comments
# Update the original {{fetchOneStripe}} logic so that we can get rid of the {{i <= dataBlkNum}}
workaround. More specifically, when hitting the first missing chunk, instead of initializing
all the parity chunks and starting reading them, we should only read one parity chunk.
# Adding more tests.

Still need to fix some test failures.


> Erasure Coding: support decoding for stateful read
> --------------------------------------------------
>
>                 Key: HDFS-8319
>                 URL: https://issues.apache.org/jira/browse/HDFS-8319
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>         Attachments: HDFS-8319.001.patch, HDFS-8319.002.patch
>
>
> HDFS-7678 adds the decoding functionality for pread. This jira plans to add decoding
to stateful read.



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