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Posted to common-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2014/09/16 01:02:34 UTC

[jira] [Updated] (HADOOP-7984) Add hadoop command verbose and debug options

     [ https://issues.apache.org/jira/browse/HADOOP-7984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer updated HADOOP-7984:
-------------------------------------
    Attachment: HADOOP-7984.patch

* Changes the default loggers to WARN,console & WARN,RFA
* Changes --debug to take parameters (--debug shell, --debug java, --debug java shell, --debug shell java) to activate debugging for the shell code and/or set DEBUG as the first param in the logger env vars.
* --verbose added which changes the first param in the log4j params to INFO

> Add hadoop command verbose and debug options
> --------------------------------------------
>
>                 Key: HADOOP-7984
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7984
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: scripts
>            Reporter: Eli Collins
>            Assignee: Allen Wittenauer
>            Priority: Minor
>              Labels: newbie
>         Attachments: HADOOP-7984.patch
>
>
> It would be helpful if bin/hadoop had verbose and debug flags. Currently users need to set an env variable or prefix the command (eg "HADOOP_ROOT_LOGGER=DEBUG,console hadoop distcp") which isn't very user friendly. We currently log INFO by default. How about we only log ERROR and WARN by default, then -verbose triggers INFO and -debug triggers DEBUG?



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