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Posted to common-dev@hadoop.apache.org by "Doug Cutting (JIRA)" <ji...@apache.org> on 2006/04/25 01:14:08 UTC
[jira] Closed: (HADOOP-49) JobClient cannot use a non-default
server (unlike DFSShell)
[ http://issues.apache.org/jira/browse/HADOOP-49?page=all ]
Doug Cutting closed HADOOP-49:
------------------------------
> JobClient cannot use a non-default server (unlike DFSShell)
> -----------------------------------------------------------
>
> Key: HADOOP-49
> URL: http://issues.apache.org/jira/browse/HADOOP-49
> Project: Hadoop
> Type: Improvement
> Components: mapred
> Reporter: Michel Tourn
> Assignee: Michel Tourn
> Fix For: 0.1.0
> Attachments: jcjt.patch
>
> JobClient cannot use a non-default Job Tracker server:
> It will use the Job Tracker specified in conf/hadoop-default.xml or conf/hadoop-site.xml
> For users with multiple Hadoop systems, it is useful to be able to specify the Job Tracker.
> Other hadoop command-line tools like DFSShell already have:
> >bin/hadoop dfs
> Usage: java DFSShell [-local | -dfs <namenode:port>] ...
> Similarly I propose to add a -jt parameter:
> >bin/hadoop job
> JobClient -submit <job> | -status <id> | -kill <id> [-jt <jobtracker:port>|<config>]
> Where: -jt <jobtracker:port> is similar to -dfs <namenode:port>
> And: -jt <config> will load as a final resource: hadoop-<config>.xml
> The latter syntax is discoverable by users because on failure the tool will say:
> >bin/hadoop job -kill m7n6pi -jt unknown
> Exception in thread "main" java.lang.RuntimeException: hadoop-unknown.xml not found on CLASSPATH
> Or in case of success:
> >bin/hadoop job -kill job_m7n6pi -jt myconfig
> 060221 221911 parsing file:/trunk/conf/hadoop-default.xml
> 060221 221911 parsing file:/trunk/conf/hadoop-myconfig.xml
> 060221 221911 parsing file:/trunk/conf/hadoop-site.xml
> 060221 221911 Client connection to 66.196.91.10:7020: starting
> And with a machine:port spec:
> >bin/hadoop job -kill job_m7n6pi -jt machine:8020
> 060221 222109 parsing file:/trunk/conf/hadoop-default.xml
> 060221 222109 parsing file:/trunk/conf/hadoop-site.xml
> 060221 222109 Client connection to 66.196.91.10:8020: starting
> Patch attached.
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