Re: Native heap leaks?

2011-05-18 Thread Hannes Schmidt
AM, Hannes Schmidt han...@eyealike.com wrote: As promised: https://issues.apache.org/jira/browse/CASSANDRA-2654 On Sun, May 15, 2011 at 7:09 AM, Jonathan Ellis jbel...@gmail.com wrote: Great debugging work! That workaround sounds like the best alternative to me too. On Sat, May 14, 2011

Re: Native heap leaks?

2011-05-15 Thread Hannes Schmidt
As promised: https://issues.apache.org/jira/browse/CASSANDRA-2654 On Sun, May 15, 2011 at 7:09 AM, Jonathan Ellis jbel...@gmail.com wrote: Great debugging work! That workaround sounds like the best alternative to me too. On Sat, May 14, 2011 at 9:46 PM, Hannes Schmidt han...@eyealike.com

Re: Native heap leaks?

2011-05-09 Thread Hannes Schmidt
I have not looked into smaps before. But it actually seems odd that that mmaped Index files are taking up so *little memory*.  Are they only a few kb on disk? The sum of the sizes of all *-Index.db files in /var/lib/cassandra is 2924kb. Is this a snapshot taken shortly after the process

Re: Native heap leaks?

2011-05-09 Thread Hannes Schmidt
On Thu, May 5, 2011 at 5:56 PM, Benjamin Coverston ben.covers...@datastax.com wrote: How many column families do you have? We have 10 key spaces, each with 2 column families. On 5/4/11 12:50 PM, Hannes Schmidt wrote: Hi, We are using Cassandra 0.6.12 in a cluster of 9 nodes. Each node

Re: Native heap leaks?

2011-05-09 Thread Hannes Schmidt
or direct byte buffers? Hope that helps. - Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 5 May 2011, at 22:30, Hannes Schmidt wrote: This was my first thought, too. We switched to mmap_index_only and didn't see any change

Re: Native heap leaks?

2011-05-05 Thread Hannes Schmidt
This was my first thought, too. We switched to mmap_index_only and didn't see any change in behavior. Looking at the smaps file attached to my original post, one can see that the mmapped index files take up only a minuscule part of RSS. On Wed, May 4, 2011 at 11:37 PM, Oleg Anastasyev

Native heap leaks?

2011-05-04 Thread Hannes Schmidt
Hi, We are using Cassandra 0.6.12 in a cluster of 9 nodes. Each node is 64-bit, has 4 cores and 4G of RAM and runs on Ubuntu Lucid with the stock 2.6.32-31-generic kernel. We use the Sun/Oracle JDK. Here's the problem: The Cassandra process starts up with 1.1G resident memory (according to top)