Hi all,
A serious question.. I know this isn't one of the best hbase practices but
I really want to know..
I am doing a join across 3 table in hbase.. One table contain 19m records,
one contains 2m and another contains 1m records.
I'm doing this inside the mapper function.. I know this can be
QQ what is your caching set to?
On Aug 22, 2013 11:25 AM, Pavan Sudheendra pavan0...@gmail.com wrote:
Hi all,
A serious question.. I know this isn't one of the best hbase practices but
I really want to know..
I am doing a join across 3 table in hbase.. One table contain 19m records,
one
scan.setCaching(500);
I really don't understand this purpose though..
On Thu, Aug 22, 2013 at 9:09 PM, Kevin O'dell kevin.od...@cloudera.comwrote:
QQ what is your caching set to?
On Aug 22, 2013 11:25 AM, Pavan Sudheendra pavan0...@gmail.com wrote:
Hi all,
A serious question.. I know
And size of the rows... can you load the 1m rows table in memory?
Le 2013-08-22 11:41, Pavan Sudheendra pavan0...@gmail.com a écrit :
scan.setCaching(500);
I really don't understand this purpose though..
On Thu, Aug 22, 2013 at 9:09 PM, Kevin O'dell kevin.od...@cloudera.com
wrote:
QQ
Hmmm. I'm not sure about this.. How do i check Jean?
On Thu, Aug 22, 2013 at 9:12 PM, Jean-Marc Spaggiari
jean-m...@spaggiari.org wrote:
And size of the rows... can you load the 1m rows table in memory?
Le 2013-08-22 11:41, Pavan Sudheendra pavan0...@gmail.com a écrit :
Yes Michael i think so.. I was googling about what you said.. I'm afraid
i'm not aware of most of the terms.. I'm still yet to learn but don't have
much time. :(
On Thu, Aug 22, 2013 at 9:16 PM, Michael Segel michael_se...@hotmail.comwrote:
You kind of have two threads along the same lines.
You kind of have two threads along the same lines.
See my response in your other thread...
On Aug 22, 2013, at 10:41 AM, Pavan Sudheendra pavan0...@gmail.com wrote:
scan.setCaching(500);
I really don't understand this purpose though..
On Thu, Aug 22, 2013 at 9:09 PM, Kevin O'dell
Pig and Hive will generate a map/reduce job
So you have 3 tables that you want to join.
Ok so one is 60 million rows. One is 2 million and 1 is 1 million.
What sort of join?
Can you write your join in terms of a relationship?
Could you write it a SQL like code?
Join table A to table B ON
