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From "Walter Su (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8702) Erasure coding: update BlockManager.blockHasEnoughRacks(..) logic for striped block
Date Wed, 01 Jul 2015 01:08:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14609391#comment-14609391
] 

Walter Su commented on HDFS-8702:
---------------------------------

Currently BlockManager has too much rack-related logic. It's a mess.

We can implement 2 versions of blockHasEnoughRacks(..), just like HDFS-8543 did.
Or We can start clean BlockManager (HDFS-8647)

> Erasure coding: update BlockManager.blockHasEnoughRacks(..) logic for striped block
> -----------------------------------------------------------------------------------
>
>                 Key: HDFS-8702
>                 URL: https://issues.apache.org/jira/browse/HDFS-8702
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Walter Su
>
> Currently blockHasEnoughRacks(..) only guarantees 2 racks. Logic needs updated for striped
blocks.



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