From user-return-18174-apmail-couchdb-user-archive=couchdb.apache.org@couchdb.apache.org Mon Oct 3 16:57:57 2011 Return-Path: X-Original-To: apmail-couchdb-user-archive@www.apache.org Delivered-To: apmail-couchdb-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 789DE9614 for ; Mon, 3 Oct 2011 16:57:57 +0000 (UTC) Received: (qmail 89474 invoked by uid 500); 3 Oct 2011 16:57:51 -0000 Delivered-To: apmail-couchdb-user-archive@couchdb.apache.org Received: (qmail 89385 invoked by uid 500); 3 Oct 2011 16:57:51 -0000 Mailing-List: contact user-help@couchdb.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@couchdb.apache.org Delivered-To: mailing list user@couchdb.apache.org Received: (qmail 89001 invoked by uid 99); 3 Oct 2011 16:57:51 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 03 Oct 2011 16:57:51 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of volker.mische@gmail.com designates 209.85.214.52 as permitted sender) Received: from [209.85.214.52] (HELO mail-bw0-f52.google.com) (209.85.214.52) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 03 Oct 2011 16:47:46 +0000 Received: by bke5 with SMTP id 5so7507339bke.11 for ; Mon, 03 Oct 2011 09:47:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=dMtYTyH8HWOC8JmplS0zSF/9Rf9WrNLZ/fDoFcLO/0E=; b=lNQGdrLWejRVx0pCVUXn1VEaz9/uDdYvcy4A5wV8BIxcMAt6TEF9Xlo6f/Ipellr5g uYxBKbf7nxk/dnMOodIEPFwfZrB86T+wxdR+8+8rapQErMDIz4vZJWRqvMmcu1VI6+tj M2RX4fVYXrPLpA2NbFiUMr3i4vpdIL8mNv7QI= Received: by 10.223.18.203 with SMTP id x11mr211776faa.4.1317660445033; Mon, 03 Oct 2011 09:47:25 -0700 (PDT) Received: from [192.168.0.6] (dslb-084-056-003-155.pools.arcor-ip.net. [84.56.3.155]) by mx.google.com with ESMTPS id k26sm21893083fab.12.2011.10.03.09.47.21 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 03 Oct 2011 09:47:22 -0700 (PDT) Message-ID: <4E89E820.2000104@gmail.com> Date: Mon, 03 Oct 2011 09:51:44 -0700 From: Volker Mische User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:5.0) Gecko/20110805 Icedove/5.0 MIME-Version: 1.0 To: user@couchdb.apache.org CC: Thomas Van de Velde Subject: Re: Performance of Views/Lists References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Hi Thomas, list functions can be slow. Are views also as slow? Cheers, Volker On 10/02/2011 06:16 AM, Thomas Van de Velde wrote: > I ran the same test on Apache CouchDB 1.1.0 built from source with > build-couchdb on Ubuntu Lucid 64 bit (High-CPU Extra Large). Performance is > slightly better but CPU is still maxed out at only 50 threads. I only get 66 > requests/sec. at 750ms average response time. Feels like that's far below > what you should expect. > > Thomas > > On Sun, Oct 2, 2011 at 6:23 AM, Thomas Van de Velde wrote: > >> Couchbase's community server. >> >> >> On Sun, Oct 2, 2011 at 5:24 AM, Robert Newson wrote: >> >>> The latest version of CouchDB is 1.1.0. What are you really running? >>> >>> B.foe >>> >>> On 2 October 2011 01:17, Thomas Van de Velde >>> wrote: >>>> Hi, >>>> >>>> I am suspecting something is wrong with my current setup. I am running >>>> CouchDB 1.1.2 on a High-CPU Extra Large Instance with 20 EC2 Compute >>> Units >>>> (8 virtual cores with 2.5 EC2 Compute Units each) on Ubuntu Natty 64 >>> bit. I >>>> have 50 threads hitting a list function and only get ~45 hits/sec. with >>> an >>>> average response time of 700ms. CPU on my CouchDB server is around 80% >>>> utilized. >>>> >>>> Thomas >>>> >>> >> >> >