Re: Benchmarking Cassandra 0.6.5 with YCSB client ... drags to a halt

2010-08-28 Thread Fernando Racca
thanks for the updates, i'm going to increase memory for the nodes. as for the remote latency, i'm puzzled On 29 August 2010 00:54, Benjamin Black wrote: > That means you only have a 1G heap. It's no surprise it dies (most > likely OOM; CMS runs are not inherently bad). Don't see immediately >

Re: Benchmarking Cassandra 0.6.5 with YCSB client ... drags to a halt

2010-08-28 Thread Benjamin Black
That means you only have a 1G heap. It's no surprise it dies (most likely OOM; CMS runs are not inherently bad). Don't see immediately why you are seeing the remote latency go up that high, but it is unlikely yo be a Cassandra problem. On Sat, Aug 28, 2010 at 4:01 PM, Fernando Racca wrote: > ca

Re: Benchmarking Cassandra 0.6.5 with YCSB client ... drags to a halt

2010-08-28 Thread Fernando Racca
cassandra.in.sh is default, just changed the jmx port Storage.conf Benchmark Cluster true true org.apache.cassandra.locator.RackUnawareStrategy 2 org.apache.cassandra.locator.EndPointSnitch org.apache.cassandra.auth.AllowAllAuthenticator org.apache.cas

Re: Benchmarking Cassandra 0.6.5 with YCSB client ... drags to a halt

2010-08-28 Thread Benjamin Black
cassandra.in.sh? storage-conf.xml? output of iostat -x while this is going on? turn GC log level to debug? On Sat, Aug 28, 2010 at 2:02 PM, Fernando Racca wrote: > Hi, > I'm currently executing some benchmarks against 0.6.5, which i plan to > compare against 0.7-beta1, using the YCSB client > I'm

Benchmarking Cassandra 0.6.5 with YCSB client ... drags to a halt

2010-08-28 Thread Fernando Racca
Hi, I'm currently executing some benchmarks against 0.6.5, which i plan to compare against 0.7-beta1, using the YCSB client I'm experiencing some strange behaviour when running a small 2 nodes cluster using OrderPreservingPartitioner. Does anybody have any experience on using the client to genera