Re: Questions around the heap

2012-11-12 Thread aaron morton
swer as well. > > From: Alain RODRIGUEZ mailto:arodr...@gmail.com>> > Reply-To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" > mailto:user@cassandra.apache.org>> > Date: Wednesday, November 7, 2012 9:45 AM > To: "user@cassandra.apache.org&l

Re: Questions around the heap

2012-11-12 Thread Alain RODRIGUEZ
cassandra.apache.org>" < > user@cassandra.apache.org<mailto:user@cassandra.apache.org>> > Date: Wednesday, November 7, 2012 9:45 AM > To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" < > user@cassandra.apache.org<mailto:user@cassandra.apache.

Re: Questions around the heap

2012-11-07 Thread Hiller, Dean
@cassandra.apache.org<mailto:user@cassandra.apache.org>" mailto:user@cassandra.apache.org>> Subject: Re: Questions around the heap s application that heavily scans a particular column family, you would want to inhibit or disable the Bloom filter on the column family by setting it high"

Re: Questions around the heap

2012-11-07 Thread Alain RODRIGUEZ
I have to say that I have no idea on how to tune them. I discover the existence of bloom filters a few month ago and even after reading http://wiki.apache.org/cassandra/ArchitectureOverview#line-132 and http://spyced.blogspot.com/2009/01/all-you-ever-wanted-to-know-about.html I am not sure what wo

Re: Questions around the heap

2012-11-07 Thread Bryan
What are your bloom filter settings on your CFs? Maybe look here: http://www.datastax.com/docs/1.1/operations/tuning#tuning-bloomfilters On Nov 7, 2012, at 4:56 AM, Alain RODRIGUEZ wrote: > Hi, > > We just had some issue in production that we finally solve upgrading hardware > and increasing