Ring out of sync, cassandra_UnavailableException being thrown

2010-05-19 Thread Keith Thornhill
in a 5 node cluster, i noticed in our client error log that one of the nodes was consistently throwing cassandra_UnavailableException during a read operation. looking into jmx, it was obvious that one of the node's view of the ring was out of sync. $ nodetool -host 192.168.20.150 ring Address

Re: auto-purge on key

2010-05-13 Thread Keith Thornhill
check out https://issues.apache.org/jira/browse/CASSANDRA-699 -keith On Thu, May 13, 2010 at 6:46 PM, Sagar Naik sn...@attributor.com wrote: Hi Is there any auto-purging of keys mechanism (or time to live on key )in cassandra. Something, like after so many days, the key and its associated

Re: frequent unknown result errors

2010-04-12 Thread Keith Thornhill
i also noticed unknown result errors when my php thrift code was generated using a different version of thrift than cassandra uses. after regenerating my php code from thrift-r917130 (for cassandra-0.6.0-rc1), the errors stopped. -keith On Mon, Apr 12, 2010 at 9:40 AM, vineet daniel

Re: Creating a Total Ordered Queue in Cassandra

2010-04-01 Thread Keith Thornhill
you mention never deleting from the queue, so what purpose is this serving? (if you don't pop off the front, is it really a queue?) seems if guaranteed order of messages is required, there are many other projects which are focused towards that problem (rabbitmq, kestrel, activemq, etc) or am i