Re: Cassandra timeouts under low load

2010-06-16 Thread Jonathan Ellis
10s is just not a long timeout for hadoop map tasks. you should increase it. you may also want to experiment with running less simultaneous map tasks per tracker. On Tue, Jun 15, 2010 at 11:00 AM, Drew Dahlke wrote: > Hi, I'm running cassandra .6.2 on a dedicated 4 node cluster and I > also hav

Cassandra timeouts under low load

2010-06-15 Thread Drew Dahlke
Hi, I'm running cassandra .6.2 on a dedicated 4 node cluster and I also have a dedicated 4 node hadoop cluster. I'm trying to run a simple map reduce job against a single column family and it only takes 32 map tasks before I get floods of thrift timeouts. That would make sense to me if the cassandr