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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8382) Remove chunkSize and initialize from erasure coder
Date Mon, 25 May 2015 00:18:17 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Kai Zheng updated HDFS-8382:
          Resolution: Fixed
       Fix Version/s: HDFS-7285
    Target Version/s: HDFS-7285
              Status: Resolved  (was: Patch Available)

Thanks [~szetszwo] and [~vinayrpet] for the great review and suggestions! It was committed
to the branch.

> Remove chunkSize and initialize from erasure coder
> --------------------------------------------------
>                 Key: HDFS-8382
>                 URL: https://issues.apache.org/jira/browse/HDFS-8382
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>            Priority: Minor
>             Fix For: HDFS-7285
>         Attachments: HDFS-8382-HDFS-7285-v1.patch, HDFS-8382-HDFS-7285-v2.patch, HDFS-8382-HDFS-7285-v3.patch,
HDFS-8382-HDFS-7285-v4.patch, HDFS-8382-HDFS-7285-v5.patch, HDFS-8382-HDFS-7285-v6.patch
> Per discussion in HDFS-8347, we need to support encoding/decoding variable width units
data instead of predefined fixed width like {{chunkSize}}. Have this issue to remove chunkSize
in the general raw erasure coder API. Specific coder will support fixed chunkSize using hard-coded
or specific schema customizing way if necessary, like HitchHiker coder.
> Update: per discussion in this issue, this will also remove {{initialize}} method from
erasure coders. The necessary initialization work will be done in constructors.

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