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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1686) Federation: Add more Balancer tests with federation setting
Date Thu, 01 Mar 2018 21:25:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16382663#comment-16382663
] 

Tsz Wo Nicholas Sze commented on HDFS-1686:
-------------------------------------------

- Question: why multiplying replication in computing totalUsed?
{code}
-      final long totalUsed = totalCapacity*3/10;
+      final long totalUsed = (totalCapacity * s.replication)*3/10;
{code}
- The content of both testBalancingBlockpoolsWithBlockPoolPolicy and test1OutOf2BlockpoolsWithBlockPoolPolicy
are the same.  Forgot to modify one of them?

> Federation: Add more Balancer tests with federation setting
> -----------------------------------------------------------
>
>                 Key: HDFS-1686
>                 URL: https://issues.apache.org/jira/browse/HDFS-1686
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: balancer &amp; mover, test
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Bharat Viswanadham
>            Priority: Minor
>         Attachments: 4358946.patch, HDFS-1686.00.patch, HDFS-1686.01.patch, h1686_20110303.patch
>
>
> A test with 3 Namenodes and 4 Datanodes in startup, and then adding 2 new Datanodes.



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