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From "Xiaobing Zhou (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11037) DiskBalancer: redirect stdout/stderr stream for easy tests
Date Wed, 19 Oct 2016 23:24:59 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11037?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiaobing Zhou updated HDFS-11037:
---------------------------------
    Fix Version/s:     (was: 2.9.0)

> DiskBalancer: redirect stdout/stderr stream for easy tests
> ----------------------------------------------------------
>
>                 Key: HDFS-11037
>                 URL: https://issues.apache.org/jira/browse/HDFS-11037
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: balancer & mover
>            Reporter: Xiaobing Zhou
>            Assignee: Xiaobing Zhou
>
> Currently, disk balancer command maintains PrintStream so that it makes it easy to buffer
any outputs for test verification. This is not clean approach as we might also need to adding
other print streams for inputs, outputs and errors. The better way is to use System.setErr()
or System.setIn(), System.setOut() to do stream redirection.



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