Return-Path: Delivered-To: apmail-couchdb-user-archive@www.apache.org Received: (qmail 28340 invoked from network); 21 Jan 2011 03:11:37 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 21 Jan 2011 03:11:37 -0000 Received: (qmail 50235 invoked by uid 500); 21 Jan 2011 03:11:36 -0000 Delivered-To: apmail-couchdb-user-archive@couchdb.apache.org Received: (qmail 49980 invoked by uid 500); 21 Jan 2011 03:11:33 -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 49971 invoked by uid 99); 21 Jan 2011 03:11:32 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 21 Jan 2011 03:11:32 +0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (nike.apache.org: local policy) Received: from [209.85.216.173] (HELO mail-qy0-f173.google.com) (209.85.216.173) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 21 Jan 2011 03:11:26 +0000 Received: by qyl38 with SMTP id 38so46378qyl.11 for ; Thu, 20 Jan 2011 19:11:04 -0800 (PST) Received: by 10.229.181.85 with SMTP id bx21mr81491qcb.267.1295579463132; Thu, 20 Jan 2011 19:11:03 -0800 (PST) Received: from 173-145-152-154.pools.spcsdns.net (173-145-152-154.pools.spcsdns.net [173.145.152.154]) by mx.google.com with ESMTPS id w12sm5130221qco.8.2011.01.20.19.10.58 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 20 Jan 2011 19:11:01 -0800 (PST) Sender: Mahesh Paolini-Subramanya From: Mahesh Paolini-Subramanya Mime-Version: 1.0 (Apple Message framework v1082) Content-Type: multipart/alternative; boundary=Apple-Mail-3--555329789 Subject: Re: Erlang views Date: Thu, 20 Jan 2011 22:10:49 -0500 In-Reply-To: To: user@couchdb.apache.org References: Message-Id: <58BD4712-EB86-4B4E-8EA7-63FC822BBB26@aptela.com> X-Mailer: Apple Mail (2.1082) X-Virus-Checked: Checked by ClamAV on apache.org --Apple-Mail-3--555329789 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii I'm using them. Mind you, the main reason is that I far prefer erlang = to javascript :-) That said, they seem to be a good bit faster (50%?), but I don't really = have much else to add... cheers Mahesh Paolini-Subramanya | CTO | mahesh@aptela.com | 703.386.1500 Ext. = 9100 2250 Corporate Park Drive | Suite 150 | Herndon, VA | www.aptela.com Check out our Blog | Follow us on Twitter | Refer a Friend=20 On Jan 18, 2011, at 7:20 PM, kowsik wrote: > A couple of questions: >=20 > 1. Is anyone using erlang views (as opposed to Javascript) in a > production environment? > 2. For the map and filter functions, is there any kind of published > performance numbers that show the speed up? >=20 > Yes, I'm aware of the built-in reduce functions and I'm using them > extensively. I'm more interested in erlang filters + map functions for > a write-heavy app that I'm working on. >=20 > Thanks, >=20 > K > --- > http://www.pcapr.net > http://twitter.com/pcapr > http://labs.mudynamics.com --Apple-Mail-3--555329789 Content-Type: multipart/related; type="text/html"; boundary=Apple-Mail-4--555329789 --Apple-Mail-4--555329789 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii I'm = using them.  Mind you, the main reason is that I far prefer erlang = to javascript :-)
That said, they seem to be a good bit faster = (50%?), but I don't really have much else to = add...

cheers
Mahesh = Paolini-Subramanya | CTO | mahesh@aptela.com | 703.386.1500 Ext. = 9100
2250 Corporate = Park Drive | Suite 150 | Herndon, VA | www.aptela.com
Check out ourBlog|Twitter|Friend 

On Jan 18, 2011, at 7:20 PM, kowsik wrote:

A = couple of questions:

1. Is anyone using erlang views (as opposed = to Javascript) in a
production environment?
2. For the map and = filter functions, is there any kind of published
performance numbers = that show the speed up?

Yes, I'm aware of the built-in reduce = functions and I'm using them
extensively. I'm more interested in = erlang filters + map functions for
a write-heavy app that I'm working = on.

Thanks,

K
---
http://www.pcapr.net
http://twitter.c= om/pcapr
http://labs.mudynamics.com

= --Apple-Mail-4--555329789 Content-Transfer-Encoding: base64 Content-Disposition: inline; filename=image003.jpg Content-Type: image/jpeg; name="image003.jpg" Content-Id: /9j/4AAQSkZJRgABAQEAYABgAAD/2wBDAAoHBwgHBgoICAgLCgoLDhgQDg0NDh0VFhEYIx8lJCIf IiEmKzcvJik0KSEiMEExNDk7Pj4+JS5ESUM8SDc9Pjv/2wBDAQoLCw4NDhwQEBw7KCIoOzs7Ozs7 Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozv/wAARCAAaAFEDASIA AhEBAxEB/8QAHwAAAQUBAQEBAQEAAAAAAAAAAAECAwQFBgcICQoL/8QAtRAAAgEDAwIEAwUFBAQA AAF9AQIDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRolJicoKSo0NTY3 ODk6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eXqDhIWGh4iJipKTlJWWl5iZmqKjpKWm p6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uHi4+Tl5ufo6erx8vP09fb3+Pn6/8QAHwEA AwEBAQEBAQEBAQAAAAAAAAECAwQFBgcICQoL/8QAtREAAgECBAQDBAcFBAQAAQJ3AAECAxEEBSEx BhJBUQdhcRMiMoEIFEKRobHBCSMzUvAVYnLRChYkNOEl8RcYGRomJygpKjU2Nzg5OkNERUZHSElK U1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6goOEhYaHiImKkpOUlZaXmJmaoqOkpaanqKmqsrO0tba3 uLm6wsPExcbHyMnK0tPU1dbX2Nna4uPk5ebn6Onq8vP09fb3+Pn6/9oADAMBAAIRAxEAPwD2SiuS 1XUNRg1CaM+L9JsMMfKt3hUsB2Dktn+VMl8V3sngC51mIQrfW0nlPsG+NmDhSV9QQePrUc6HY7Co ri6gtEV7iZIldwilzjLHoPqa52dPGAtG1KO9s1kVfM/s0wZXGM7fMznd79M1m+KL241zw3oup2Nw tvDPdwExvFvIcsMHOf4SDx3oc7IDuaK53UtS1Pw/o8a3N1BfajdXAgt3Mfkxgt3YZPAAJNU5tW1T QpbW5vdas9UtJpVinSONY3hLHAZcHkA4yDT5khHRpqVtJqsumKzfaYolmYbeNrEgc/hVuuctf+Si 6h/2Dof/AENqoalqeqW11OF8XaPFMjEx2TxKAQOisxbINLmstRnWXc/2W0lnxnYucVz1/e29toEd 0k2bpJxIrFT80nVh/wB85FaelXqeI/DdvduhiF3ECyg/dPfH4io7nw1aXVito8swRZPMBBGc4x6V y14VZyvC1rfiIp/8JvY/8+836UU7/hCdN/563H/fQ/worL/bfIDK0S1u9DtX0668LPfXZkYm9Ty2 S5yxO5mY5HXuDVS806+034aavBewJbTPdtIFjxtAMq4I9q9CrnfH3/ImX3/bP/0YtdrhZDIZtW8S /Yzp66A73zJsF0JV+z9Mb85z74xTNS8O3Vp4MsNOsF+1T6fLDNszt84q25gM9M5NdUv3F+gparlv uI5fWbG78U6HDMdLNtdWlyJorS9KkTAdVbGQAQSKqWljBc3kEcPgOGzIcGaa5WMLGB127clj6dK7 Oijk1uMwV068Pi/UbwKY4J9PjhjmyPvhm/lkVjaRa3unaMNGbwp5t4oZWuX8swSk5/eMxOffGM12 9FHII53wzBqek+GbCzmscyRREOm4ZVtx/DHT866KiiqSsrAFFFFMD//Z --Apple-Mail-4--555329789-- --Apple-Mail-3--555329789--