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

Switch to Plain View
HDFS >> mail # user >> Modifying Hadoop For join Operation


+
Vikas Jadhav 2013-01-24, 13:21
+
Harsh J 2013-01-24, 15:09
Copy link to this message
-
Re: Modifying Hadoop For join Operation
Vikas,

Check the below paper on the different ways on performing joins in MR

http://lintool.github.com/MapReduceAlgorithms/index.html

Also, `Hadoop - The Definitive Guide` has a section on the different
approaches and when to use them.
Thanks,
Praveen

Cloudera Certified Developer for Apache Hadoop CDH4 (95%)
http://www.thecloudavenue.com/
http://stackoverflow.com/users/614157/praveen-sripati

If you aren’t taking advantage of big data, then you don’t have big data,
you have just a pile of data.
On Thu, Jan 24, 2013 at 8:39 PM, Harsh J <[EMAIL PROTECTED]> wrote:

> Hi,
>
> Can you also define 'efficient way' and the idea you have in mind to
> implement that isn't already doable today?
>
> On Thu, Jan 24, 2013 at 6:51 PM, Vikas Jadhav <[EMAIL PROTECTED]>
> wrote:
> > Anyone has idea about how should i modify Hadoop Code for
> > Performing Join operation in efficient Way.
> > Thanks.
> >
> > --
> >
> >
> > Thanx and Regards
> >  Vikas Jadhav
>
>
>
> --
> Harsh J
>
+
Vikas Jadhav 2013-01-24, 19:11
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