Re: Quick help on Cassandra please: cluster access and performance

Thanks you very much, Per! - Original Message From: Per Olesen To: "user@cassandra.apache.org" Sent: Wed, June 9, 2010 4:02:52 PM Subject: Re: Quick help on Cassandra please: cluster access and performance On Jun 9, 2010, at 9:47 PM, li wei wrote: > Thanks a lot.

Re: Quick help on Cassandra please: cluster access and performance

Thanks a lot. We are set READ one, WRITE ANY. Is this better than QUORUM in performance. Thanks. Do you think the cassandra Cluster (with 2 or nodes) should be always faster than Single one node in the reality and theory? Or it depends? Thanks again! - Original Message From: Per

Re: Quick help on Cassandra please: cluster access and performance

Thanks a lot. I set RF=2 at storage-conf.xml How to set "write and read with QUORUM"? They are run physically separate hw (But same since they are VM) - Original Message From: Per Olesen To: "user@cassandra.apache.org" Sent: Wed, June 9, 2010 2:20:43 PM Subject: Re: Quick help

Quick help on Cassandra please: cluster access and performance

Hi, Experts,   I am using 2 nodes of  Cassandra cluster. I am doing a loading test (one conenct, try to insert and select many postes into a discussion tree).   I need your help: 1) I found this: the 2 node is slower (30%) than one node in both of write and select. Is this normal? (In theory, 2 n

cassandra cluster (2 node): one node is OK, another has this error: java.lang.AssertionError: invalid response count 2

Hi, Guys, I have a lasted cassandra -0.6.0.-rc1. Connect one node1 from java. Node 1 is OK, node 2 has this error: (if Connect one node2 from java. Node 2 is OK, node 1 has same error): I have checked node 1 node1 node2 node1 I have checked node2 node2 node1