you should watch
https://issues.apache.org/jira/browse/CASSANDRA-685.
Thanks,
Stu
-Original Message-
From: "Jonathan Ellis"
Sent: Friday, February 12, 2010 9:43pm
To: cassandra-user@incubator.apache.org
Subject: Re: TimeOutExceptions and Cluster Performance
There's a lot m
It might be an EC2 issue. We've been battling them all day and we noticed
Cassandra performance started to tank sometime earlier this week. I'm not
convinced the problem is with Cassandra, as we were seeing sub-100ms
response times prior to this and we haven't made any changes. We're also
running o
There's a lot more details that would be useful, but if you are on the
verge of OOMing and something actually running out, then that's
probably the culprit; when the JVM gets low on ram it will consume all
your CPU trying to GC enough to continue. (you mentioned seeing high
cpu on one core which t
Hi,
I'm running a 5 node Cassandra cluster and am having a very tough time
getting reasonable performance from it. Many of the requests are failing
with TimeOutException. This is making it difficult to use Cassandra in a
production setting.
The cluster was running fine for a week or two (it was cr
