From cassandra-user-return-1799-apmail-incubator-cassandra-user-archive=incubator.apache.org@incubator.apache.org Mon Dec 14 16:23:24 2009 Return-Path: Delivered-To: apmail-incubator-cassandra-user-archive@minotaur.apache.org Received: (qmail 35296 invoked from network); 14 Dec 2009 16:23:24 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 14 Dec 2009 16:23:24 -0000 Received: (qmail 21620 invoked by uid 500); 14 Dec 2009 16:23:23 -0000 Delivered-To: apmail-incubator-cassandra-user-archive@incubator.apache.org Received: (qmail 21606 invoked by uid 500); 14 Dec 2009 16:23:23 -0000 Mailing-List: contact cassandra-user-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: cassandra-user@incubator.apache.org Delivered-To: mailing list cassandra-user@incubator.apache.org Received: (qmail 21596 invoked by uid 99); 14 Dec 2009 16:23:23 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 14 Dec 2009 16:23:23 +0000 X-ASF-Spam-Status: No, hits=1.2 required=10.0 tests=SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (nike.apache.org: local policy) Received: from [67.192.241.161] (HELO smtp161.dfw.emailsrvr.com) (67.192.241.161) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 14 Dec 2009 16:23:14 +0000 Received: from relay16.relay.dfw.mlsrvr.com (localhost [127.0.0.1]) by relay16.relay.dfw.mlsrvr.com (SMTP Server) with ESMTP id A99BB154AA for ; Mon, 14 Dec 2009 11:22:53 -0500 (EST) Received: by relay16.relay.dfw.mlsrvr.com (Authenticated sender: eevans-AT-racklabs.com) with ESMTPSA id 9CC3E15447 for ; Mon, 14 Dec 2009 11:22:53 -0500 (EST) Subject: RE: read latency creaping up From: Eric Evans To: cassandra-user@incubator.apache.org In-Reply-To: <766B5A29D28DA442AB229AAEE2AFC44507D7B914DB@SEAMBX.corp.real.com> References: <766B5A29D28DA442AB229AAEE2AFC44507D7B914DA@SEAMBX.corp.real.com> <766B5A29D28DA442AB229AAEE2AFC44507D7B914DB@SEAMBX.corp.real.com> Content-Type: text/plain; charset="UTF-8" Date: Mon, 14 Dec 2009 10:23:15 -0600 Message-ID: <1260807795.3869.1.camel@achilles> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org On Sun, 2009-12-13 at 13:18 -0800, Brian Burruss wrote: > if this isn't a known issue, lemme do some more investigating. my > test client becomes "more random" with reads as time progresses, so > possibly this is what causes the latency issue. however, all that > being said, the performance really becomes bad after a while. Have a look at the following thread: http://thread.gmane.org/gmane.comp.db.cassandra.user/1402 -- Eric Evans eevans@rackspace.com