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Posted to hdfs-dev@hadoop.apache.org by "Harsh J (Created) (JIRA)" <ji...@apache.org> on 2011/11/10 03:37:51 UTC
[jira] [Created] (HDFS-2547) Design doc is wrong about default
block placement policy.
Design doc is wrong about default block placement policy.
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Key: HDFS-2547
URL: https://issues.apache.org/jira/browse/HDFS-2547
Project: Hadoop HDFS
Issue Type: Bug
Components: name-node
Affects Versions: 0.20.1
Reporter: Harsh J
Assignee: Harsh J
Priority: Trivial
Fix For: 0.24.0
Attachments: HDFS-2547.patch
bq. For the common case, when the replication factor is three, HDFS's placement policy is to put one replica on one node in the local rack, another on a node in a different (remote) rack, and the last on a different node in the same *remote* rack.
Should actually be: "and the last on a different node in the same *local* rack."
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[jira] [Reopened] (HDFS-2547) Design doc is wrong about default
block placement policy.
Posted by "Harsh J (Reopened) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HDFS-2547?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Harsh J reopened HDFS-2547:
---------------------------
> Design doc is wrong about default block placement policy.
> ---------------------------------------------------------
>
> Key: HDFS-2547
> URL: https://issues.apache.org/jira/browse/HDFS-2547
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.20.1
> Reporter: Harsh J
> Assignee: Harsh J
> Priority: Trivial
> Fix For: 0.24.0
>
> Attachments: HDFS-2547.patch
>
>
> bq. For the common case, when the replication factor is three, HDFS's placement policy is to put one replica on one node in the local rack, another on a node in a different (remote) rack, and the last on a different node in the same *remote* rack.
> Should actually be: "and the last on a different node in the same *local* rack."
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