Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 43630 invoked from network); 12 Apr 2011 01:02:37 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 12 Apr 2011 01:02:37 -0000 Received: (qmail 83311 invoked by uid 500); 12 Apr 2011 01:02:35 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 83252 invoked by uid 500); 12 Apr 2011 01:02:35 -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 83244 invoked by uid 500); 12 Apr 2011 01:02:35 -0000 Delivered-To: apmail-incubator-cassandra-user@incubator.apache.org Received: (qmail 83241 invoked by uid 99); 12 Apr 2011 01:02:35 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 12 Apr 2011 01:02:35 +0000 X-ASF-Spam-Status: No, hits=2.0 required=5.0 tests=FREEMAIL_FROM,SPF_NEUTRAL,T_TO_NO_BRKTS_FREEMAIL,URI_HEX X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: 216.139.236.26 is neither permitted nor denied by domain of mohitanchlia@gmail.com) Received: from [216.139.236.26] (HELO sam.nabble.com) (216.139.236.26) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 12 Apr 2011 01:02:29 +0000 Received: from jim.nabble.com ([192.168.236.80]) by sam.nabble.com with esmtp (Exim 4.69) (envelope-from ) id 1Q9Rzd-0001P6-Hz for cassandra-user@incubator.apache.org; Mon, 11 Apr 2011 18:02:09 -0700 Date: Mon, 11 Apr 2011 18:02:09 -0700 (PDT) From: mcasandra To: cassandra-user@incubator.apache.org Message-ID: <1302570129549-6263470.post@n2.nabble.com> In-Reply-To: References: <1302545913902-6262430.post@n2.nabble.com> <1302559004044-6263087.post@n2.nabble.com> <64E93C6B-6E54-4910-AAEE-C5DC3A4D0B1F@thelastpickle.com> <1302563886592-6263270.post@n2.nabble.com> Subject: Re: Timeout during stress test MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit But I don't understand the reason for oveload. It was doing simple read of 12 threads and reasing 50000 rows. Avg CPU only 20%, No GC issues that I see. I would expect cassandra to be able to process more with 6 nodes, 12 core, 96 GB RAM and 4 GB heap. -- View this message in context: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Timeout-during-stress-test-tp6262430p6263470.html Sent from the cassandra-user@incubator.apache.org mailing list archive at Nabble.com.