Also you can configure the job tracker to keep the RunningJob
information for completed jobs (avail via the Hadoop Java API). There
is a config property that enables this, another that specifies the
location (it can be HDFS or local), and another that specifies for how
many hours you want to keep that information.
HTH
A
On Wed, May 19, 2010 at 1:36 AM, Harsh J wrote:
> Preserved JobTracker history is already available at /jobhistory.jsp
>
> There is a link at the end of the /jobtracker.jsp page that leads to
> this. There's also free analysis to go with that! :)
>
> On Tue, May 18, 2010 at 11:00 PM, Alan Miller
> wrote:
>> Hi,
>>
>> Is there a way to preserve previous job information (Completed Jobs, Failed
>> Jobs)
>> when the hadoop cluster is restarted?
>>
>> Everytime I start up my cluster (start-dfs.sh,start-mapred.sh) the
>> JobTracker interface
>> at http://myhost:50020/jobtracker.jsp is always empty.
>>
>> Thanks,
>> Alan
>>
>>
>>
>
>
>
> --
> Harsh J
> www.harshj.com
>
