RE: Starting Cassandra

Hi, I removed the open-jdk packages which caused the dse* packages to be uninstalled too and installed jdk6u38. But when I installed the dse packages yum also downloaded and installed the open-jdk packages. After that I installed java-1.7.0-openjdk.x86_64. When starting Cassandra I now get: -b

How many BATCH inserts in to many?

Hi, I'm implementing Facebook style notifications/activities (e.g "your friend liked this article") in our app. I considered message queue for this task before exploring how BATCH insert in C* could perform. Could I leave Queue altogether and just use batch insert? Is like...5000 insers too much ov

is there a way to list who is connected to my cluster?

I'd like to be able to find out which processes are connected to my clusteris there a way to do this? The root problem is that someone is doing an operation or set of operations that is causing DataStax to show high read latency. In trying to find out which of our various programs is doing th

Re: Murmur3Partitioner cassandra 1.2

There is no migration path from RandomPartitioner to Murmur3 On Jan 11, 2013, at 11:12 AM, "Tim Dunphy" mailto:bluethu...@gmail.com>> wrote: Hello, Will I have to recreate my schema in order to use the Murmur3Partitioner ? Thanks Tim -- GPG me!! gpg --keyserver pool.sks-keyservers.net

Re: Murmur3Partitioner cassandra 1.2

OK thanks for the clarification. On Fri, Jan 11, 2013 at 2:13 PM, Michael Kjellman wrote: > There is no migration path from RandomPartitioner to Murmur3 > > On Jan 11, 2013, at 11:12 AM, "Tim Dunphy" wrote: > > Hello, > > > Will I have to recreate my schema in order to use the Murmur3Partitione

RE: change cluster name retaining keypsace

Aaron, Can this also be considered? Connect to node using cassandra-cliuse system;set LocationInfo[utf8('L')][utf8('ClusterName')]=utf8('');exit;Run nodetool flush on the nodeUpdate cassandra.yaml file with new cluster_nameRestart node. Thanks,SC From: aa...@thelastpickle.com Subject: Re: change

Re: is there a way to list who is connected to my cluster?

On Fri, Jan 11, 2013 at 10:32 AM, Brian Tarbox wrote: > I'd like to be able to find out which processes are connected to my > clusteris there a way to do this? No, not internally to Cassandra, short of enabling DEBUG logging for associated classes. Use netstat or similar. If you are interest