Return-Path: Delivered-To: apmail-couchdb-dev-archive@www.apache.org Received: (qmail 45823 invoked from network); 2 Jul 2009 17:55:32 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 2 Jul 2009 17:55:32 -0000 Received: (qmail 39145 invoked by uid 500); 2 Jul 2009 17:55:42 -0000 Delivered-To: apmail-couchdb-dev-archive@couchdb.apache.org Received: (qmail 39069 invoked by uid 500); 2 Jul 2009 17:55:42 -0000 Mailing-List: contact dev-help@couchdb.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@couchdb.apache.org Delivered-To: mailing list dev@couchdb.apache.org Received: (qmail 39055 invoked by uid 99); 2 Jul 2009 17:55:42 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 02 Jul 2009 17:55:42 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of paul.joseph.davis@gmail.com designates 209.85.217.213 as permitted sender) Received: from [209.85.217.213] (HELO mail-gx0-f213.google.com) (209.85.217.213) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 02 Jul 2009 17:55:31 +0000 Received: by gxk9 with SMTP id 9so2917509gxk.11 for ; Thu, 02 Jul 2009 10:55:10 -0700 (PDT) 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 :date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=PgFV3vAJvWXf05ZOU8t99l1Ch+LxRjhrcgeTuS6Nkok=; b=fo48JtpMgeWEdyCXLd8aefo9kyyb4TBOvR9CnPkP9tUjRjCTOiHMJTyzEtQBp+CAsU dS3hhUvznTiAOpMWzigNopqDxNwlwY4RPTeOyjU/JHkUrNDIDrhRJdlkVDqEBQw9NH1B EMexJgOHq1hbimc7O7PV20A0SH/Kd+2Q5B9qk= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=OZ8bH/kg63mkk9FWZ+1de4NwT8GuBGOiv9rg6m2Lfz4u/RNuyaqi2C2KUgRrKnNObQ bjwg2BOEqCIPDG2SCnVPt3S1JkdnXH2MddvqAs0Lodng4UZdjgql44NHRFtVLXO14XrT UnNwuV/qMr7qmNDJMjU/CRNxoSpeMLGPk62Jk= MIME-Version: 1.0 Received: by 10.100.141.15 with SMTP id o15mr516599and.20.1246557310551; Thu, 02 Jul 2009 10:55:10 -0700 (PDT) In-Reply-To: <4C82520A-A9E1-4F84-8630-0ED3810D8E61@apache.org> References: <20090702080634.GA15464@uk.tiscali.com> <20090702112455.GA25891@uk.tiscali.com> <20090702132047.GA27924@uk.tiscali.com> <20090702143834.GA5202@uk.tiscali.com> <060429AB-10DE-482B-8993-27FBD486F191@jasondavies.com> <4C82520A-A9E1-4F84-8630-0ED3810D8E61@apache.org> Date: Thu, 2 Jul 2009 13:55:09 -0400 Message-ID: Subject: Re: View Performance (was Re: The 1.0 Thread) From: Paul Davis To: dev@couchdb.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org On Thu, Jul 2, 2009 at 1:29 PM, Damien Katz wrote: > > On Jul 2, 2009, at 1:16 PM, Jason Davies wrote: > >> On 2 Jul 2009, at 15:38, Brian Candler wrote: >> >>> For some fruit that was so low-hanging that I nearly stubbed my toe on >>> it, >>> see https://issues.apache.org/jira/browse/COUCHDB-399 >> >> >> Nice work! =A0I'd be interested to see what kind of performance increase= we >> get from Spidermonkey 1.8.1, which comes with native JSON parsing/encodi= ng. >> =A0See here for details: https://developer.mozilla.org/En/Using_native_J= SON=A0. >> >> Rumour has it 1.8.1 will be released any time soon (TM) > > I'm not sure the new engine is such a no-brainer. One thing about the new > generation of JS VMs is we've seen greatly increased memory usage with > earlier versions. Also the startup times might be longer, or shorter. > > Though I wonder if this can be improved by forking a JS process rather th= an > spawning a new process. > Memory usage is a definite concern. I'm not sure I follow why startup times would be important though. Am I missing something? > -Damien > >> -- >> Jason Davies >> >> www.jasondavies.com >> > >