Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
HDFS >> mail # user >> Re: MRV2 job takes to long to start


Copy link to this message
-
Re: MRV2 job takes to long to start
What scheduler are you using?  What do you mean by "start"?  For the first
map task to start?

-Sandy
On Thu, Nov 28, 2013 at 6:07 AM, Juan Martin Pampliega <[EMAIL PROTECTED]
> wrote:

> Hi,
>
> I have a map-reduce job that was developed for MRV1 and is now being run
> daily with no modifications in a hadoop 2.2 cluster with MRV2.
>
> For the first week at least the job worked as expected but now some days
> the job takes a long time to start (like 30-50 minutes). The job starts a
> large number of mappers (around 525) and it usually just took a couple of
> minutes for it to start. Also, there are no other jobs running at the same
> time.
>
> Any ideas what might be causing this?
>
> Thanks,
> Juan.
>