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Posted to hdfs-issues@hadoop.apache.org by "Andrew Wang (JIRA)" <ji...@apache.org> on 2016/07/16 01:32:20 UTC
[jira] [Updated] (HDFS-10577) DiskBalancer: Support building
imbalanced MiniDFSCluster from JSON
[ https://issues.apache.org/jira/browse/HDFS-10577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Wang updated HDFS-10577:
-------------------------------
Fix Version/s: (was: 3.0.0-alpha1)
> DiskBalancer: Support building imbalanced MiniDFSCluster from JSON
> ------------------------------------------------------------------
>
> Key: HDFS-10577
> URL: https://issues.apache.org/jira/browse/HDFS-10577
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Reporter: Xiaobing Zhou
> Assignee: Xiaobing Zhou
>
> To build an imbalanced MiniDFSCluster, there are much work to do (e.g. TestDiskBalancer#testDiskBalancerEndToEnd). It's even more given tens of data nodes are built, on the other hand, Diskbalancer data model can easily dump and build any kinds of imbalanced cluster (e.g. data-cluster-64node-3disk.json used by TestDiskBalancerCommand#setUp). This proposes to support building imbalanced MiniDFSCluster from dumped JSON file to make writing tests easy.
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