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Posted to hdfs-issues@hadoop.apache.org by "Erik Krogen (JIRA)" <ji...@apache.org> on 2017/12/07 18:56:01 UTC
[jira] [Updated] (HDFS-12818) Support multiple storages in
DataNodeCluster / SimulatedFSDataset
[ https://issues.apache.org/jira/browse/HDFS-12818?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Erik Krogen updated HDFS-12818:
-------------------------------
Attachment: HDFS-12818.002.patch
> Support multiple storages in DataNodeCluster / SimulatedFSDataset
> -----------------------------------------------------------------
>
> Key: HDFS-12818
> URL: https://issues.apache.org/jira/browse/HDFS-12818
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode, test
> Reporter: Erik Krogen
> Assignee: Erik Krogen
> Priority: Minor
> Attachments: HDFS-12818.000.patch, HDFS-12818.001.patch, HDFS-12818.002.patch
>
>
> Currently {{SimulatedFSDataset}} (and thus, {{DataNodeCluster}} with {{-simulated}}) only supports a single storage per {{DataNode}}. Given that the number of storages can have important implications on the performance of block report processing, it would be useful for these classes to support a multiple storage configuration.
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