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 56676E48D for ; Tue, 25 Jun 2013 17:12:12 +0000 (UTC) Received: (qmail 52143 invoked by uid 500); 25 Jun 2013 17:12:10 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 51848 invoked by uid 500); 25 Jun 2013 17:12:06 -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 51814 invoked by uid 99); 25 Jun 2013 17:12:00 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 25 Jun 2013 17:12:00 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of rcoli@eventbrite.com designates 209.85.216.42 as permitted sender) Received: from [209.85.216.42] (HELO mail-qa0-f42.google.com) (209.85.216.42) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 25 Jun 2013 17:11:56 +0000 Received: by mail-qa0-f42.google.com with SMTP id hu16so832303qab.8 for ; Tue, 25 Jun 2013 10:11:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:x-gm-message-state; bh=z4y64mpKbBvO3WZbH+o/aVSEKRxwdfatFhiqI0sbU4o=; b=IvYLGhywK9hb2Ci3ThylVjEiwmS92kNeQF/3rU3H81CpkrE5+fQVd+gVAVqGlYngti ooO6ZZN7Mb2Nqvd8nHuToHv/4foeJT9aEWsAL16p+PfLkyMoKAq+VoZ8OSCvWsCLyzMx HVoCze3v+mSe+Nm08dXqrxe5uWGFOiiSCSMLN9WGblg8RWrGelHaNgbi8TWoNrxX4Xlk JaMJZjo3DyrK96crKVsMvgzVlTUAxpWh7mWsJWoIuRjJS93p5ZNrRfDCbUQO5X1BUa5k cce4frmw2YlPTWzzSFYiifoLG9/HPilQmwUym4mfDIccEFQvx+789Zbvjxc3NcgXv2uD t3cw== MIME-Version: 1.0 X-Received: by 10.224.136.193 with SMTP id s1mr1016964qat.15.1372180295538; Tue, 25 Jun 2013 10:11:35 -0700 (PDT) Received: by 10.49.94.227 with HTTP; Tue, 25 Jun 2013 10:11:35 -0700 (PDT) In-Reply-To: <7B32E549-8D04-481B-BEDF-554BD3F0127C@thelastpickle.com> References: <35200C7887BDD94DA24A304607C50B581266AC6E@SACEXCMBX01-PRD.hq.netapp.com> <7B32E549-8D04-481B-BEDF-554BD3F0127C@thelastpickle.com> Date: Tue, 25 Jun 2013 10:11:35 -0700 Message-ID: Subject: Re: [Cassandra] Replacing a cassandra node with one of the same IP From: Robert Coli To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 X-Gm-Message-State: ALoCoQlROnYP2EDm8MaBOKfLplayHWbLrO9efBeWJWnu7VTmpNoMcFdz+lLc3vCGoSREVPg9ldT/ X-Virus-Checked: Checked by ClamAV on apache.org On Mon, Jun 24, 2013 at 8:53 PM, aaron morton wrote: >> so I am just wondering if this means the hinted handoffs are also updated to reflect the new Cassandra node uuid. > Without checking the code I would guess not. > Because it would involve a potentially large read / write / delete to create a new row with the same data. And Hinted Handoff is an optimisation. So are hints to a given UUID discarded after some period of time with that UUID not present in the cluster? Or might they need to be manually purged? =Rob