Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 90447 invoked from network); 19 Apr 2010 16:11:48 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 19 Apr 2010 16:11:48 -0000 Received: (qmail 19866 invoked by uid 500); 19 Apr 2010 16:11:47 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 19802 invoked by uid 500); 19 Apr 2010 16:11:47 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 19788 invoked by uid 99); 19 Apr 2010 16:11:46 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 19 Apr 2010 16:11:46 +0000 X-ASF-Spam-Status: No, hits=1.4 required=10.0 tests=AWL,HTML_MESSAGE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [207.5.72.164] (HELO EXHUB016-2.exch016.msoutlookonline.net) (207.5.72.164) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 19 Apr 2010 16:11:41 +0000 Received: from EXVMBX016-3.exch016.msoutlookonline.net ([207.5.72.173]) by EXHUB016-2.exch016.msoutlookonline.net ([207.5.72.164]) with mapi; Mon, 19 Apr 2010 09:11:21 -0700 From: Daniel Kluesing To: "user@cassandra.apache.org" , "dev@cassandra.apache.org" Date: Mon, 19 Apr 2010 09:11:15 -0700 Subject: RE: 0.6 insert performance .... Re: [RELEASE] 0.6.1 Thread-Topic: 0.6 insert performance .... Re: [RELEASE] 0.6.1 Thread-Index: AcrfsZfsCNorwUqXSYuSyaJ/oosMYAAKFNKQ Message-ID: <33FDEB0CE2F65F41A4CF8769247BB3668DC5DAA602@EXVMBX016-3.exch016.msoutlookonline.net> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_33FDEB0CE2F65F41A4CF8769247BB3668DC5DAA602EXVMBX0163exc_" MIME-Version: 1.0 --_000_33FDEB0CE2F65F41A4CF8769247BB3668DC5DAA602EXVMBX0163exc_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable We see this behavior as well with 0.6, heap usage graphs look almost identi= cal. 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:masoodmortazavi@gmail.com] Sent: Monday, April 19, 2010 4:15 AM To: user@cassandra.apache.org; dev@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 - 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 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 eevans@rackspace.com --_000_33FDEB0CE2F65F41A4CF8769247BB3668DC5DAA602EXVMBX0163exc_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

We see this behavior as well with 0.6, heap usage graphs loo= k almost identical. The GC is a noticeable bottleneck, we’ve tried jdku= 19 and jrockit vm’s. It basically kills any kind of soft real time behav= ior.

From: Masood Mortaz= avi [mailto:masoodmortazavi@gmail.com]
Sent: Monday, April 19, 2010 4:15 AM
To: user@cassandra.apache.org; dev@cassandra.apache.org
Subject: 0.6 insert performance .... Re: [RELEASE] 0.6.1<= /span>

I wonder if anyone can = use:
* Add logging of GC activity (CASSANDRA-813)
to confirm this:
http://www.slideshare.net/schubertzhang/cassandra-060-insert-throughp= ut

- m.

On Sun, Apr 18, 2010 at 6:58 PM, Eric Evans <eevans@rackspace.com> wrote:

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/9NqwA= b (changelog)

--
Eric Evans
eevans@rackspace.com

--_000_33FDEB0CE2F65F41A4CF8769247BB3668DC5DAA602EXVMBX0163exc_--