Return-Path: Delivered-To: apmail-incubator-cassandra-user-archive@minotaur.apache.org Received: (qmail 7434 invoked from network); 10 Nov 2009 19:56:30 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 10 Nov 2009 19:56:30 -0000 Received: (qmail 63700 invoked by uid 500); 10 Nov 2009 19:56:29 -0000 Delivered-To: apmail-incubator-cassandra-user-archive@incubator.apache.org Received: (qmail 63663 invoked by uid 500); 10 Nov 2009 19:56:29 -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 63654 invoked by uid 99); 10 Nov 2009 19:56:29 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 10 Nov 2009 19:56:29 +0000 X-ASF-Spam-Status: No, hits=-2.6 required=5.0 tests=AWL,BAYES_00 X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of jbellis@gmail.com designates 209.85.219.209 as permitted sender) Received: from [209.85.219.209] (HELO mail-ew0-f209.google.com) (209.85.219.209) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 10 Nov 2009 19:56:27 +0000 Received: by ewy5 with SMTP id 5so390119ewy.12 for ; Tue, 10 Nov 2009 11:56:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :from:date:message-id:subject:to:cc:content-type; bh=nnsAgZqvCX9yhYrrPtlCesJT1B7mMKyHW0RIOdfe5DA=; b=wP5KHDsgg01YgvV8t8jyFXwP91TKG5YtENFyaBL09Wzn4xhxFQhAsCZ+YeuwcBzBOB gwR4uJ3uqUhGb43EX/TPXSmGUVwrKlakFCkU+mShtQA0j0cDobBaPeQ+02/exAtG4R5q qM2NYZvhrqJXqrqPQqJM49fWjCNMjPkLxXgRo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; b=SYZ0jXPq2pW27xnd2DzHgqNh+ktjv8WhXeL/sYB/i0bNABMqPhlDKzTD8O2QGZ7+D6 lAagjD3tlSWk2YmOkDXp58Yh2b1dv4kKxIwyD67j4eJhzSQZyY09qZcro6CUiHGidoqX PddeERqAHSIKbZ93ZkuBuRotXO1UEpNgBBEF0= MIME-Version: 1.0 Received: by 10.216.87.206 with SMTP id y56mr152071wee.207.1257882966121; Tue, 10 Nov 2009 11:56:06 -0800 (PST) In-Reply-To: <35bb42690911101153y3a998431se86a64613f31b030@mail.gmail.com> References: <35bb42690911092025l109b871exa58ff629d624e299@mail.gmail.com> <35bb42690911101123y795c80erb18c2091fe960ae2@mail.gmail.com> <35bb42690911101149i18fcc590v1cbc2ba9b2b99356@mail.gmail.com> <35bb42690911101153y3a998431se86a64613f31b030@mail.gmail.com> From: Jonathan Ellis Date: Tue, 10 Nov 2009 13:55:46 -0600 Message-ID: Subject: Re: Timeout Exception To: chris@chriswere.com Cc: cassandra-user@incubator.apache.org Content-Type: text/plain; charset=ISO-8859-1 if you're timing out doing a slice on 10 columns w/ 10% cpu used, something is broken is it consistent as to which keys this happens on? try turning on debug logging and seeing where the latency is coming from. On Tue, Nov 10, 2009 at 1:53 PM, Chris Were wrote: > > On Tue, Nov 10, 2009 at 11:50 AM, Jonathan Ellis wrote: >> >> On Tue, Nov 10, 2009 at 1:49 PM, Chris Were wrote: >> > Maybe... but it's not just multigets, it also happens when retreiving >> > one >> > row with get_slice. >> >> how many of the 3M columns are you trying to slice at once? > > Sorry, I must have mixed up the terminology. > There's ~3M keys, but less than 10 columns in each. The get_slice calls are > to retreive all the columns (10) for a given key.