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 43552EA1C for ; Thu, 14 Feb 2013 14:08:55 +0000 (UTC) Received: (qmail 65169 invoked by uid 500); 14 Feb 2013 14:08:37 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 64013 invoked by uid 500); 14 Feb 2013 14:08:34 -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 63718 invoked by uid 99); 14 Feb 2013 14:08:33 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 14 Feb 2013 14:08:33 +0000 X-ASF-Spam-Status: No, hits=2.9 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [206.225.165.117] (HELO HUB024-nj-2.exch024.serverdata.net) (206.225.165.117) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 14 Feb 2013 14:08:25 +0000 Received: from MBX024-E1-NJ-6.exch024.domain.local ([10.240.10.56]) by HUB024-NJ-2.exch024.domain.local ([10.240.10.33]) with mapi id 14.02.0318.001; Thu, 14 Feb 2013 06:08:04 -0800 From: Kanwar Sangha To: "user@cassandra.apache.org" Subject: Mutation dropped Thread-Topic: Mutation dropped Thread-Index: Ac4KvFeO8fa6246+QhCRNTevemlKFw== Date: Thu, 14 Feb 2013 14:08:03 +0000 Message-ID: <57C7C3CBDCB04F45A57AEC4CB21C0CCD1DB31C54@mbx024-e1-nj-6.exch024.domain.local> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [24.61.186.115] Content-Type: multipart/alternative; boundary="_000_57C7C3CBDCB04F45A57AEC4CB21C0CCD1DB31C54mbx024e1nj6exch_" MIME-Version: 1.0 X-Virus-Checked: Checked by ClamAV on apache.org --_000_57C7C3CBDCB04F45A57AEC4CB21C0CCD1DB31C54mbx024e1nj6exch_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi - I am doing a load test using YCSB across 2 nodes in a cluster and seei= ng a lot of mutation dropped messages. I understand that this is due to th= e replica not being written to the other node ? RF =3D 2, CL =3D1. >From the wiki - For MUTATION messages this means that the mutation was not applied to all r= eplicas it was sent to. The inconsistency will be repaired by Read Repair o= r Anti Entropy Repair Thanks, Kanwar --_000_57C7C3CBDCB04F45A57AEC4CB21C0CCD1DB31C54mbx024e1nj6exch_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi – I am doing a load te= st using YCSB across 2 nodes in a cluster and seeing a lot of mutation drop= ped messages.  I understand that this is due to the replica not being = written to the

other node ? RF =3D 2, CL =3D1.=

 

From the wiki -

For MUTATION messages this mean= s that the mutation was not applied to all replicas it was sent to. The inc= onsistency will be repaired by Read Repair or Anti Entropy Repair

 

Thanks,

Kanwar

 

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