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 F149370CF for ; Thu, 11 Aug 2011 18:37:30 +0000 (UTC) Received: (qmail 293 invoked by uid 500); 11 Aug 2011 18:37:29 -0000 Delivered-To: apmail-couchdb-user-archive@couchdb.apache.org Received: (qmail 243 invoked by uid 500); 11 Aug 2011 18:37:28 -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 235 invoked by uid 99); 11 Aug 2011 18:37:28 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 11 Aug 2011 18:37:28 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of johnlicheng@gmail.com designates 209.85.213.180 as permitted sender) Received: from [209.85.213.180] (HELO mail-yx0-f180.google.com) (209.85.213.180) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 11 Aug 2011 18:37:20 +0000 Received: by yxi11 with SMTP id 11so2239127yxi.11 for ; Thu, 11 Aug 2011 11:37:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; bh=MjQn9VB2Yl3QVcCEnGoJvzM8L4YVM1RYUgdorAcTOnU=; b=bzAxSCcpiPNDDDkmsT0v1M0wKvXZ7OGtlDZv75yG+IVpDnRD6l5uqxRodbYCWqjrOz FoIGgItSlEcithuJN0uCcYjx6P514LnHhuJQoIod2Q8jkHXZgve6D5IrHi7tMdLIUiQ7 UdW2lS69c15ymCN+Vj1YyDD5LQLk9Rv2tCsVE= Received: by 10.100.18.33 with SMTP id 33mr9039912anr.128.1313087820090; Thu, 11 Aug 2011 11:37:00 -0700 (PDT) MIME-Version: 1.0 Received: by 10.100.225.16 with HTTP; Thu, 11 Aug 2011 11:36:39 -0700 (PDT) In-Reply-To: <9E9A84DE-CA6F-453B-9FDC-C5BCA48F0B24@apache.org> References: <9E9A84DE-CA6F-453B-9FDC-C5BCA48F0B24@apache.org> From: John Cheng Date: Thu, 11 Aug 2011 11:36:39 -0700 Message-ID: Subject: Re: CouchDB performance To: user@couchdb.apache.org Content-Type: multipart/alternative; boundary=0016e6464e3a134d6e04aa3f151e X-Virus-Checked: Checked by ClamAV on apache.org --0016e6464e3a134d6e04aa3f151e Content-Type: text/plain; charset=ISO-8859-1 On Thu, Aug 11, 2011 at 11:02 AM, Adam Kocoloski wrote: > Hi John, first thing I'd point out is that Filipe and Paul have done quite > a lot of work on the JSON processor since 1.0.2 was released. Trunk > contains a JSON processor that calls out to YAJL instead of relying on pure > Erlang code. The improvement for large document bodies is pretty > substantial. Also, processing MBs of JSON is going to be CPU-bound in > 1.0.2. CouchDB makes good use of multicore servers to distribute some of > the load if you throw concurrent requests at it. Hope that helps, > > Adam > It does help here. I'll see if I can get compile the latest version of CouchDB on Ubuntu 10 LTS. It's been an adventure trying to compile CouchDB so far! --0016e6464e3a134d6e04aa3f151e--