You're nodes are overloaded. I'd recommend using m1.xlarge instead.
Cheers ----------------- Aaron Morton Freelance Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 15/05/2013, at 1:59 PM, Rodrigo Felix <rodrigofelixdealme...@gmail.com> wrote: > Hi, > > I'm executing a workload on YCSB (50% read, 50% update) and after few > minutes I get the following exception: > > TimedOutException() > at > org.apache.cassandra.thrift.Cassandra$get_slice_result.read(Cassandra.java:7174) > at > org.apache.cassandra.thrift.Cassandra$Client.recv_get_slice(Cassandra.java:540) > at > org.apache.cassandra.thrift.Cassandra$Client.get_slice(Cassandra.java:512) > at com.yahoo.ycsb.db.CassandraClient10.read(CassandraClient10.java:259) > at com.yahoo.ycsb.DBWrapper.read(DBWrapper.java:84) > at > com.yahoo.ycsb.workloads.CoreWorkload.doTransactionRead(CoreWorkload.java:469) > at > com.yahoo.ycsb.workloads.CoreWorkload.doTransaction(CoreWorkload.java:425) > at com.yahoo.ycsb.ClientThread.run(ClientThread.java:105) > > I have 2 seeds on Amazon EC2 (large instance) and depending on the demand, > I add (or remove) new large instances. > Any suggestion to solve this problem or to tune cassandra? > Follows further info about cassandra installed. > Thanks in advance. > > INFO 00:54:05,591 JVM vendor/version: Java HotSpot(TM) 64-Bit Server > VM/1.7.0_07 > INFO 00:54:05,592 Heap size: 1931476992/1931476992 > INFO 00:54:07,447 Cassandra version: 1.1.5 > INFO 00:54:07,448 Thrift API version: 19.32.0 > > Att. > > Rodrigo Felix de Almeida > LSBD - Universidade Federal do Ceará > Project Manager > MBA, CSM, CSPO, SCJP
