Return-Path: X-Original-To: apmail-cassandra-user-archive@www.apache.org Delivered-To: apmail-cassandra-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 17E317ACB for ; Thu, 3 Nov 2011 21:44:41 +0000 (UTC) Received: (qmail 2828 invoked by uid 500); 3 Nov 2011 21:44:38 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 2797 invoked by uid 500); 3 Nov 2011 21:44:38 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 2789 invoked by uid 99); 3 Nov 2011 21:44:38 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 03 Nov 2011 21:44:38 +0000 X-ASF-Spam-Status: No, hits=-2.3 required=5.0 tests=RCVD_IN_DNSWL_MED,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of prvs=2816377a4=bburruss@expedia.com designates 216.251.112.221 as permitted sender) Received: from [216.251.112.221] (HELO mx1a.expedia.com) (216.251.112.221) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 03 Nov 2011 21:44:33 +0000 X-SRBS: None X-HAT: Sender Group RELAYLIST, Policy $RELAYED applied. Received: from unknown (HELO CHC-EXCHNA01.SEA.CORP.EXPECN.COM) ([10.184.69.25]) by mx1a.sea.corp.expecn.com with ESMTP; 03 Nov 2011 14:44:11 -0700 Received: from CHC-CCR02.SEA.CORP.EXPECN.COM ([fe80:0000:0000:0000:0000:0000:0.0.0.1]) by CHC-EXCHNA01.SEA.CORP.EXPECN.COM ([10.184.69.25]) with mapi; Thu, 3 Nov 2011 14:44:11 -0700 From: Todd Burruss To: "user@cassandra.apache.org" Date: Thu, 3 Nov 2011 14:44:10 -0700 Subject: Re: Second Cassandra users survey Thread-Topic: Second Cassandra users survey Thread-Index: AcyacbgwjisfWZ0hSzWY/duX1lIZ7Q== Message-ID: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.13.0.110805 acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Virus-Checked: Checked by ClamAV on apache.org - Better performance when access random columns in a wide row - caching subsets of wide rows - possibly on the same boundaries as the index - some sort of notification architecture when data is inserted. This could be co-processors, triggers, plugins, etc - auto load balance when adding new nodes On 11/1/11 3:59 PM, "Jonathan Ellis" wrote: >Hi all, > >Two years ago I asked for Cassandra use cases and feature requests. >[1] The results [2] have been extremely useful in setting and >prioritizing goals for Cassandra development. But with the release of >1.0 we've accomplished basically everything from our original wish >list. [3] > >I'd love to hear from modern Cassandra users again, especially if >you're usually a quiet lurker. What does Cassandra do well? What are >your pain points? What's your feature wish list? > >As before, if you're in stealth mode or don't want to say anything in >public, feel free to reply to me privately and I will keep it off the >record. > >[1]=20 >http://www.mail-archive.com/cassandra-dev@incubator.apache.org/msg01148.ht >ml >[2]=20 >http://www.mail-archive.com/cassandra-user@incubator.apache.org/msg01446.h >tml >[3] http://www.mail-archive.com/dev@cassandra.apache.org/msg01524.html > >--=20 >Jonathan Ellis >Project Chair, Apache Cassandra >co-founder of DataStax, the source for professional Cassandra support >http://www.datastax.com