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
I can investigate further would be greatly appreciated. From: Shu Zhang [szh...@mediosystems.com] Sent: Monday, November 07, 2011 6:07 PM To: user@cassandra.apache.org Subject: propertyfilesnitch problem Hi, We have a 2 DC setup on version 0.7.9 and

propertyfilesnitch problem

2011-11-07 Thread Shu Zhang
Hi, We have a 2 DC setup on version 0.7.9 and have observed the following: 1. Using a property file snitch, with dynamic snitch turned on. The performance of LOCAL_QUORUM operations is poor for a while (around a minute) after a cluster restart before drastically improving. 2. With the same setup