Re: 0.6 insert performance .... Re: [RELEASE] 0.6.1

2010-04-20 Thread Masood Mortazavi
this behavior as well with 0.6, heap usage graphs look almost >>> identical. The GC is a noticeable bottleneck, we’ve tried jdku19 and jrockit >>> vm’s. It basically kills any kind of soft real time behavior. >>> >>> >>> >>> *From:* Masood Mortazavi [mailto:masood

Re: 0.6 insert performance .... Re: [RELEASE] 0.6.1

2010-04-19 Thread Schubert Zhang
noticeable bottleneck, we’ve tried jdku19 and jrockit >> vm’s. It basically kills any kind of soft real time behavior. >> >> >> >> *From:* Masood Mortazavi [mailto:masoodmortaz...@gmail.com] >> *Sent:* Monday, April 19, 2010 4:15 AM >> *To:* user@cassandra.

Re: 0.6 insert performance .... Re: [RELEASE] 0.6.1

2010-04-19 Thread Masood Mortazavi
Monday, April 19, 2010 4:15 AM > *To:* user@cassandra.apache.org; d...@cassandra.apache.org > *Subject:* 0.6 insert performance Re: [RELEASE] 0.6.1 > > > > I wonder if anyone can use: > > * Add logging of GC activity (CASSANDRA-813) > to confirm this: > http://www.slidesh

Re: 0.6 insert performance .... Re: [RELEASE] 0.6.1

2010-04-19 Thread Jonathan Ellis
It's hard to tell from those slides, but it looks like the slowdown doesn't hit until after several GCs. Perhaps this is compaction kicking in, not GCs? Definitely the extra I/O + CPU load from compaction will cause a drop in throughput. On Mon, Apr 19, 2010 at 6:14 AM, Masood Mortazavi wrote:

RE: 0.6 insert performance .... Re: [RELEASE] 0.6.1

2010-04-19 Thread Daniel Kluesing
l 19, 2010 4:15 AM To: user@cassandra.apache.org; d...@cassandra.apache.org Subject: 0.6 insert performance Re: [RELEASE] 0.6.1 I wonder if anyone can use: * Add logging of GC activity (CASSANDRA-813) to confirm this: http://www.slideshare.net/schubertzhang/cassandra-060-insert-throughput

Re: [RELEASE] 0.6.1

2010-04-19 Thread Eric Evans
On Sun, 2010-04-18 at 19:04 -0700, Jeff Hodges wrote: > It does, however, include a change the networking layout[1]. It's not > a simple rolling deploy. You will have to do a full cluster restart to > upgrade. You're right; I wasn't aware of this one. We probably should have considered pushing thi

RE: 0.6 insert performance .... Re: [RELEASE] 0.6.1

2010-04-19 Thread Mark Jones
ere things work out. From: Masood Mortazavi [mailto:masoodmortaz...@gmail.com] Sent: Monday, April 19, 2010 6:15 AM To: user@cassandra.apache.org; d...@cassandra.apache.org Subject: 0.6 insert performance Re: [RELEASE] 0.6.1 I wonder if anyone can use: * Add logging of GC activity (CASSAND

0.6 insert performance .... Re: [RELEASE] 0.6.1

2010-04-19 Thread Masood Mortazavi
I wonder if anyone can use: * Add logging of GC activity (CASSANDRA-813) to confirm this: http://www.slideshare.net/schubertzhang/cassandra-060-insert-throughput - m. On Sun, Apr 18, 2010 at 6:58 PM, Eric Evans wrote: > > Hot on the trails of 0.6.0 comes our latest, 0.6.1. This stable point

Re: [RELEASE] 0.6.1

2010-04-18 Thread Ken Sandney
Cheers On Mon, Apr 19, 2010 at 10:04 AM, Jeff Hodges wrote: > It does, however, include a change the networking layout[1]. It's not > a simple rolling deploy. You will have to do a full cluster restart to > upgrade. > > [1] https://issues.apache.org/jira/browse/CASSANDRA-969 > -- > Jeff > > On S

Re: [RELEASE] 0.6.1

2010-04-18 Thread Jeff Hodges
It does, however, include a change the networking layout[1]. It's not a simple rolling deploy. You will have to do a full cluster restart to upgrade. [1] https://issues.apache.org/jira/browse/CASSANDRA-969 -- Jeff On Sun, Apr 18, 2010 at 6:58 PM, Eric Evans wrote: > > Hot on the trails of 0.6.0

[RELEASE] 0.6.1

2010-04-18 Thread Eric Evans
Hot on the trails of 0.6.0 comes our latest, 0.6.1. This stable point release contains a number of important bugfixes[1] and is a painless upgrade from 0.6.0. Enjoy! [1]: http://bit.ly/9NqwAb (changelog) -- Eric Evans eev...@rackspace.com