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Hadoop >> mail # user >> Re: Is there any way to add jar when invoking hadoop command


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James Seigel 2011-03-23, 01:41
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Re: Is there any way to add jar when invoking hadoop command
Actually I don't use the jar for mapreduce job. I only need it to display
sequence file.

On Wed, Mar 23, 2011 at 9:41 AM, James Seigel <[EMAIL PROTECTED]> wrote:

> Hello, some quick advice for you....
>
>
> which portion of your job needs the jar?  if answer = mapper or reducer,
> then add it to the -libjars flag.
>
> If it is in the job initiation..bundle it in your job jar for fun.
>
> Cheers
> James.
> On 2011-03-22, at 7:35 PM, Jeff Zhang wrote:
>
> > Another work around I can think of is that have my own copy of hadoop,
> and
> > copy extra jars to my hadoop. But it result into more maintenance effort
> >
> > On Wed, Mar 23, 2011 at 9:19 AM, Jeff Zhang <[EMAIL PROTECTED]> wrote:
> >
> >> Hi all,
> >>
> >> When I use command "hadoop fs -text" I need to add extra jar to
> CLASSPATH,
> >> because there's custom type in my sequence file. One way is that copying
> jar
> >> to $HADOOP_HOME/lib
> >> But in my case, I am not administrator, so I do not have the permission
> to
> >> copy files under $HADOOP_HOME/lib
> >>
> >> Is there any other ways to add extra jar to CLASSPATH ?
> >>
> >>
> >> --
> >> Best Regards
> >>
> >> Jeff Zhang
> >>
> >
> >
> >
> > --
> > Best Regards
> >
> > Jeff Zhang
>
>
--
Best Regards

Jeff Zhang
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James Seigel 2011-03-23, 02:04
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Jeff Zhang 2011-03-23, 02:37
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB