RE: propertyfilesnitch problem

2011-11-10 Thread Shu Zhang
, November 09, 2011 11:07 PM To: user@cassandra.apache.org Subject: Re: propertyfilesnitch problem > 2. With the same setup, after each period as defined by > dynamic_snitch_reset_interval_in_ms, the LOCAL_QUORUM performance greatly > degrades before drastically improving again within a

Re: propertyfilesnitch problem

2011-11-09 Thread Peter Schuller
> 2. With the same setup, after each period as defined by > dynamic_snitch_reset_interval_in_ms, the LOCAL_QUORUM performance greatly > degrades before drastically improving again within a minute. This part sounds to me like one or more nodes in the cluster are either broken and not responding a

RE: propertyfilesnitch problem

2011-11-09 Thread Shu Zhang
Hi, sorry to ask again, but I'm having trouble getting to the bottom of this... Does anyone else see this? When dynamic snitch is turned off, the performance of LOCAL_QUORUM operations is as bad as QUORUM. The property file snitch appears to be properly configured. Any suggestions on how I can i