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 2B8F89FBF for ; Mon, 19 Mar 2012 19:05:41 +0000 (UTC) Received: (qmail 54234 invoked by uid 500); 19 Mar 2012 19:05:38 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 54210 invoked by uid 500); 19 Mar 2012 19:05:38 -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 54201 invoked by uid 500); 19 Mar 2012 19:05:38 -0000 Delivered-To: apmail-incubator-cassandra-user@incubator.apache.org Received: (qmail 54198 invoked by uid 99); 19 Mar 2012 19:05:38 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 19 Mar 2012 19:05:38 +0000 X-ASF-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_IMAGE_ONLY_20,HTML_MESSAGE,RCVD_IN_DNSWL_MED,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of JEREMIAH.JORDAN@morningstar.com designates 64.18.2.215 as permitted sender) Received: from [64.18.2.215] (HELO exprod7og114.obsmtp.com) (64.18.2.215) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 19 Mar 2012 19:05:32 +0000 Received: from MSEXET82.morningstar.com ([216.228.224.46]) (using TLSv1) by exprod7ob114.postini.com ([64.18.6.12]) with SMTP ID DSNKT2eDZEsSMjCfCMPqfKVZWNa0BeBKaGv6@postini.com; Mon, 19 Mar 2012 12:05:11 PDT Received: from MSEXCHM84.morningstar.com (172.28.13.44) by MSEXET82.morningstar.com (172.28.6.46) with Microsoft SMTP Server (TLS) id 14.2.247.3; Mon, 19 Mar 2012 14:04:32 -0500 Received: from MSEXCHM83.morningstar.com ([fe80::9529:19c5:7200:611e]) by MSEXCHM84.morningstar.com ([fe80::a162:cbe6:e897:46fa%20]) with mapi id 14.02.0247.003; Mon, 19 Mar 2012 14:05:07 -0500 From: Jeremiah Jordan To: "user@cassandra.apache.org" , "cassandra-user@incubator.apache.org" Subject: RE: Hector counter question Thread-Topic: Hector counter question Thread-Index: AQHNBf38s2t8gG0H9kWotNjXiZQzH5Zx+jjn Date: Mon, 19 Mar 2012 19:05:06 +0000 Message-ID: <63CCA5D3F3175843B5C153AD218C2FBF0191E2@MSEXCHM83.morningstar.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [172.28.18.112] Content-Type: multipart/related; boundary="_004_63CCA5D3F3175843B5C153AD218C2FBF0191E2MSEXCHM83mornings_"; type="multipart/alternative" MIME-Version: 1.0 X-Virus-Checked: Checked by ClamAV on apache.org --_004_63CCA5D3F3175843B5C153AD218C2FBF0191E2MSEXCHM83mornings_ Content-Type: multipart/alternative; boundary="_000_63CCA5D3F3175843B5C153AD218C2FBF0191E2MSEXCHM83mornings_" --_000_63CCA5D3F3175843B5C153AD218C2FBF0191E2MSEXCHM83mornings_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable No, Cassandra doesn't support atomic counters. IIRC it is on the list of thing= s for 1.2. -Jeremiah ________________________________ From: Tamar Fraenkel [tamar@tok-media.com] Sent: Monday, March 19, 2012 1:26 PM To: cassandra-user@incubator.apache.org Subject: Hector counter question Hi! Is there a way to read and increment counter column atomically, something l= ike incrementAndGet (Hector)? Thanks, Tamar Fraenkel Senior Software Engineer, TOK Media [Inline image 1] tamar@tok-media.com Tel: +972 2 6409736 Mob: +972 54 8356490 Fax: +972 2 5612956 --_000_63CCA5D3F3175843B5C153AD218C2FBF0191E2MSEXCHM83mornings_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
No,
Cassandra doesn't support atomic counters.  IIRC it is on the list of = things for 1.2.

-Jeremiah

From: Tamar Fraenkel [tamar@tok-media.com= ]
Sent: Monday, March 19, 2012 1:26 PM
To: cassandra-user@incubator.apache.org
Subject: Hector counter question

Hi!

Is there a way to read and increment counter column atomically, someth= ing like incrementAndGet (Hector)?

Thanks,

Tamar Fraenkel 
Senior Software Engineer, TOK Media 

3D"Inlinetamar@tok-media.co= m
Tel:   +972 2 6409736&= nbsp;
Mob:  +972 54 8356490 = ;
Fax:   +972 2 5612956&= nbsp;



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