Re: Performance problem with large wide row inserts using CQL

2014-02-24 Thread Rüdiger Klaehn
On Mon, Feb 24, 2014 at 11:47 AM, Sylvain Lebresne wrote: > >> >>> I still have some questions regarding the mapping. Please bear with me if these are stupid questions. I am quite new to Cassandra. The basic cassandra data model for a keyspace is something like this, right

Re: Performance problem with large wide row inserts using CQL

2014-02-22 Thread Rüdiger Klaehn
On Fri, Feb 21, 2014 at 11:51 AM, Sylvain Lebresne wrote: > On Thu, Feb 20, 2014 at 10:49 PM, Rüdiger Klaehn wrote: > >> Hi Sylvain, >> >> I applied the patch to the cassandra-2.0 branch (this required some >> manual work since I could not figure out which commit i

Re: Performance problem with large wide row inserts using CQL

2014-02-20 Thread Rüdiger Klaehn
r your help, Rüdiger On Thu, Feb 20, 2014 at 8:36 AM, Sylvain Lebresne wrote: > > > > On Wed, Feb 19, 2014 at 9:38 PM, Rüdiger Klaehn wrote: > >> >> I have cloned the cassandra repo, applied the patch, and built it. But >> when I want to run the bechmark I get an

Re: Performance problem with large wide row inserts using CQL

2014-02-19 Thread Rüdiger Klaehn
.java:950) > at > com.netflix.astyanax.thrift.ThriftKeyspaceImpl$1$1.internalExecute(ThriftKeyspaceImpl.java:122) > at > com.netflix.astyanax.thrift.ThriftKeyspaceImpl$1$1.internalExecute(ThriftKeyspaceImpl.java:119) > at > com.netflix.astyanax.thrift.Abstra

Re: Performance problem with large wide row inserts using CQL

2014-02-19 Thread Rüdiger Klaehn
On Wed, Feb 19, 2014 at 7:49 PM, Sylvain Lebresne wrote: > On Wed, Feb 19, 2014 at 11:27 AM, Rüdiger Klaehn wrote: > >> >> Am I doing something wrong, or is this a fundamental limitation of CQL. >> > > Neither. I believe you are running into > https://issues.apac

Re: Performance problem with large wide row inserts using CQL

2014-02-19 Thread Rüdiger Klaehn
te: > >> On Wed, Feb 19, 2014 at 11:27 AM, Rüdiger Klaehn wrote: >> >>> >>> Am I doing something wrong, or is this a fundamental limitation of CQL. >>> >> >> Neither. I believe you are running into >> https://issues.apache.org/jira/browse/CA

Performance problem with large wide row inserts using CQL

2014-02-19 Thread Rüdiger Klaehn
Hi all, I am evaluating Cassandra for satellite telemetry storage and analysis. I set up a little three node cluster on my local development machine and wrote a few simple test programs. My use case requires storing incoming telemetry updates in the database at the same rate as they are coming in