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

Switch to Threaded View
HBase >> mail # user >> Does MapReduce need HBase to be running?

Copy link to this message
Re: Does MapReduce need HBase to be running?
Hum. I'm calling HTables, and doing puts and gets. So it will not be
working for my scenario.

But if I "simply" need to map the data and output on a file, that
should be working fine with HBase down, right?

2012/11/14, Ted Yu <[EMAIL PROTECTED]>:
> If your MapReduce job doesn't access HBase, HBase can be stopped.
> On Wed, Nov 14, 2012 at 10:51 AM, Jean-Marc Spaggiari <
>> Hi,
>> I'm wondering, when I run a MapReduce job over the cluster, do I need
>> to have HBase running? Or I can close it? That will allow me to give
>> an additionnal 2GB to hadoop instead of giving it to HBase if it's not
>> used.
>> Thanks,
>> JM