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Date: Mon, 30 Mar 2015 20:37:53 +0000 (UTC)
From: "Jing Zhao (JIRA)" <jira@apache.org>
To: hdfs-dev@hadoop.apache.org
Message-ID: <JIRA.12786353.1427495063000.72414.1427747873048@Atlassian.JIRA>
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 <JIRA.12786353.1427495063748@arcas>
Subject: [jira] [Resolved] (HDFS-8005) Erasure Coding: simplify striped
 block recovery work computation and add tests
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     [ https://issues.apache.org/jira/browse/HDFS-8005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jing Zhao resolved HDFS-8005.
-----------------------------
       Resolution: Fixed
    Fix Version/s: HDFS-7285
     Hadoop Flags: Reviewed

I've committed this. Thanks again for the review, Zhe!

> Erasure Coding: simplify striped block recovery work computation and add tests
> ------------------------------------------------------------------------------
>
>                 Key: HDFS-8005
>                 URL: https://issues.apache.org/jira/browse/HDFS-8005
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>             Fix For: HDFS-7285
>
>         Attachments: HDFS-8005.000.patch, HDFS-8005.000.patch, HDFS-8005.001.patch
>
>
> HDFS-7369 adds the functionality to distribute recovery work of striped blocks to datanodes. There are still some pending issues:
> # In {{BlockManager#chooseSourceNode}}, a node is added into {{healthyIndices}} without checking if its block is live and healthy
> # The test {{TestRecoverStripedBlcoks#testMissingStripedBlock}} has not tested striped blocks because the file is created before setting the storage policy
> # In {{computeRecoveryWorkForBlocks}}, instead of using {{BlockCollection#isStriped}}, we'd better use {{BlockInfo#isStriped}}


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