Re: Incredibly slow response to Scan

2010-10-14 Thread Jean-Daniel Cryans
If setCaching didn't make a difference, either the API isn't used
properly or the bottleneck is elsewhere.

J-D

On Thu, Oct 7, 2010 at 9:33 PM, Venkatesh vramanatha...@aol.com wrote:



  J-D et.al
 I've put the mapreduce issue that I had in the back burner for now.
 I'm getting incredible slow response to Scan..

 On a 10 node cluster for a table with 1200 regions ..it takes 20 minutes
 to scan a column with given value..Got 100 or so records for the response..

 Is this normal?

 thanks
 venkatesh
 PS. setCaching(100) ..did n't make a dent in performance





Incredibly slow response to Scan

2010-10-07 Thread Venkatesh

 

 J-D et.al
I've put the mapreduce issue that I had in the back burner for now.
I'm getting incredible slow response to Scan..

On a 10 node cluster for a table with 1200 regions ..it takes 20 minutes
to scan a column with given value..Got 100 or so records for the response..

Is this normal?

thanks
venkatesh
PS. setCaching(100) ..did n't make a dent in performance