Re: map/reduce performance time and sstable readerŠ.

2013-09-03 Thread Hiller, Dean
pache.org>" mailto:user@cassandra.apache.org>> Date: Tuesday, September 3, 2013 12:06 PM To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" mailto:user@cassandra.apache.org>> Subject: RE: map/reduce performance time and sstable readerŠ. I am trying to do

RE: map/reduce performance time and sstable readerŠ.

2013-09-03 Thread java8964 java8964
me Cassandra API, but running in MR give us some support in scalability, as we can reuse the Hadoop framework for a lot of benefits it can bring. Yong > From: dean.hil...@nrel.gov > To: user@cassandra.apache.org > Date: Fri, 30 Aug 2013 07:25:09 -0600 > Subject: map/reduce performance

map/reduce performance time and sstable readerŠ.

2013-08-30 Thread Hiller, Dean
Has anyone done performance tests on sstable reading vs. M/R? I did a quick test on reading all SSTAbles in a LCS column family on 23 tables and took the average time it took sstable2json(to /dev/null to make it faster) which was 7 seconds per table. (reading to stdout took 16 seconds per tabl