Re: ReadCount change rate is different across nodes

2013-10-30 Thread Daning Wang
Thanks. actually I forgot to mention it is multi-center environment and we have dynamic snitch disabled. because we saw some performance impact on the multi-center environment. On Wed, Oct 30, 2013 at 11:12 AM, Piavlo wrote: > On 10/30/2013 02:06 AM, Daning Wang wrote: > >> We are running 1.

need help with triggers

2013-10-30 Thread kaveh minooie
Hi everyone I am trying to write a trigger and I am having a hard time figuring out how to extract data from the name field of the columns. I can read the value reletavily easy by getting the abstractype for that column from CFMetadata and use it to decode the value bytebuffer, but due to the

Re: IllegalStateException when bootstrapping new nodes

2013-10-30 Thread Robert Coli
On Wed, Oct 30, 2013 at 12:22 PM, Cyril Scetbon wrote: > FYI, we should upgrade to the last 1.2 version (1.2.11+) in January 2014. > However, we would like to know if it's a known fixed bug or inform you > about this issue if it's not. > Did you bootstrap multiple nodes into the same token range?

Re: IllegalStateException when bootstrapping new nodes

2013-10-30 Thread Cyril Scetbon
FYI, we should upgrade to the last 1.2 version (1.2.11+) in January 2014. However, we would like to know if it's a known fixed bug or inform you about this issue if it's not. -- Cyril SCETBON On 29 Oct 2013, at 19:14, Robert Coli wrote: > On Tue, Oct 29, 2013 at 7:38 AM, Cyril Scetbon wrote:

Re: unsubscribe

2013-10-30 Thread Dave Brosius
Please send that same riveting text to user-unsubscr...@cassandra.apache.org *http://tinyurl.com/kdrwyrc* On 10/30/2013 02:49 PM, Leonid Ilyevsky wrote: Unsubscribe This email, along with any attachments, is confidential and may be legally privileged or otherwise protected from disclosure.

unsubscribe

2013-10-30 Thread Leonid Ilyevsky
Unsubscribe This email, along with any attachments, is confidential and may be legally privileged or otherwise protected from disclosure. Any unauthorized dissemination, copying or use of the contents of this email is strictly prohibited and may be in violation of law. If you are not the intend

Re: ReadCount change rate is different across nodes

2013-10-30 Thread Piavlo
On 10/30/2013 02:06 AM, Daning Wang wrote: We are running 1.2.5 on 8 nodes(256 tokens). all the nodes are running on same type of machine. and db size is about same. but recently we checked ReadCount stats through jmx, and found that some nodes got 3 times change rate(we have calculated the ch

Re: heap issues - looking for advices on gc tuning

2013-10-30 Thread Piavlo
On 10/30/2013 03:21 PM, srmore wrote: We ran into similar heap issues a while ago for 1.0.11, I am not sure whether you are at the luxury of upgrading to at-least 1.2.9, we were not. After a lot of various painful attempts and weeks of testing (just as in your case) the following settings worke

Re: heap issues - looking for advices on gc tuning

2013-10-30 Thread Piavlo
On 10/30/2013 11:34 AM, Jason Tang wrote: What's configuration of following parameters memtable_flush_queue_size: concurrent_compactors: memtable_flush_queue_size: 4 concurrent_compactors: 1 Lokking at the metrics I did not see FlushWriter pending issues as well the compactions are keeping up

Re: heap issues - looking for advices on gc tuning

2013-10-30 Thread srmore
We ran into similar heap issues a while ago for 1.0.11, I am not sure whether you are at the luxury of upgrading to at-least 1.2.9, we were not. After a lot of various painful attempts and weeks of testing (just as in your case) the following settings worked (did not completely relieve the heap pre

RE: OpsCenter not connecting to Cluster

2013-10-30 Thread Nigel LEACH
Fixed - Sort of. I noticed in the Cassandra system log that thrift was linked to localhost, not xx.xx.xx.xx, or its hostname. Binding thrift service to localhost/127.0.0.1:9160. So, in the OpsCenter GUI I entererd localhost as the name of a server in the Cluster, and all works. Regard

RE: OpsCenter not connecting to Cluster

2013-10-30 Thread Nigel LEACH
Hello Pieter, Thank you for the response. I picked up on the stackoverlow link, but I am already setting rpc_server_type as sync. As you say they are Ubuntu, and I am Redhat, but I'm not on top RPC implementations to know whether that is relevent. Another point, in my original mail I missed of

Re: heap issues - looking for advices on gc tuning

2013-10-30 Thread Jason Tang
What's configuration of following parameters memtable_flush_queue_size: concurrent_compactors: 2013/10/30 Piavlo > Hi, > > Below I try to give a full picture to the problem I'm facing. > > This is a 12 node cluster, running on ec2 with m2.xlarge instances (17G > ram , 2 cpus). > Cassandra versi

ccm and loading data

2013-10-30 Thread Kais Ahmed
Hi all, I'm trying to do some test using ccm (https://github.com/pcmanus/ccm), how can import data into ? i copied some sstables from production but "ccm nod1 refresh" do not exist. can anyone tell me which method can i use ? Thanks,