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From "chencan (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HDDS-1416) MiniOzoneCluster should set custom value for hdds.datanode.replication.work.dir
Date Thu, 11 Apr 2019 06:08:00 GMT

     [ https://issues.apache.org/jira/browse/HDDS-1416?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

chencan reassigned HDDS-1416:

    Assignee: chencan

> MiniOzoneCluster should set custom value for hdds.datanode.replication.work.dir
> -------------------------------------------------------------------------------
>                 Key: HDDS-1416
>                 URL: https://issues.apache.org/jira/browse/HDDS-1416
>             Project: Hadoop Distributed Data Store
>          Issue Type: Test
>          Components: test
>    Affects Versions: 0.4.0
>            Reporter: Nanda kumar
>            Assignee: chencan
>            Priority: Major
>              Labels: newbie
> Datanode uses a temporary working directory for copying/replicating containers, the default
location of this directory is read from system property {{java.io.tmpdir}}. Since all the
datanodes are running in same machine/jvm in MiniOzoneCluster we might corrupt the data while
the datanodes are moving containers as all the datanodes will be using the same working directory.
> While configuring datanode for MiniOzoneCluster, we should set custom value for {{hdds.datanode.replication.work.dir}}
in each datanode instance.

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