Return-Path: Delivered-To: apmail-hadoop-zookeeper-user-archive@minotaur.apache.org Received: (qmail 87750 invoked from network); 7 Oct 2010 21:48:04 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 7 Oct 2010 21:48:04 -0000 Received: (qmail 90883 invoked by uid 500); 7 Oct 2010 21:48:04 -0000 Delivered-To: apmail-hadoop-zookeeper-user-archive@hadoop.apache.org Received: (qmail 90848 invoked by uid 500); 7 Oct 2010 21:48:04 -0000 Mailing-List: contact zookeeper-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: zookeeper-user@hadoop.apache.org Delivered-To: mailing list zookeeper-user@hadoop.apache.org Received: (qmail 90840 invoked by uid 99); 7 Oct 2010 21:48:04 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 07 Oct 2010 21:48:04 +0000 X-ASF-Spam-Status: No, hits=4.7 required=10.0 tests=FREEMAIL_FROM,FREEMAIL_REPLY,HTML_MESSAGE,RCVD_IN_DNSWL_NONE,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of ted.dunning@gmail.com designates 209.85.216.48 as permitted sender) Received: from [209.85.216.48] (HELO mail-qw0-f48.google.com) (209.85.216.48) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 07 Oct 2010 21:47:57 +0000 Received: by qwk3 with SMTP id 3so367653qwk.35 for ; Thu, 07 Oct 2010 14:47:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:mime-version:received:in-reply-to :references:from:date:message-id:subject:to:content-type; bh=POMQ4rUcdxMtNrwbX1eOHxmq2oNTt8xH2id60c2f1Cg=; b=EJrN+11bIM7TFfMUm0iuwpr+hjnCCm1KiSwrNxri105bMm+X5Gkr7xWnAYZyFOMcdB yXi7oFwRkCqGMr1SoJJfslQlvxt8xVxwhvRM+7EMRpt/jyeZcjT5f5I/JvDlq0Oyv0wm IRSnmIgze5il6W/102g0mKUqUiUEin55gpsOE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; b=yDBo+cNB6q+rnh6/apL003+VzWaT1HtUbCtOiTQg/yfDGRV0R8WPXq7MKYG2+sVUXX kzlJNPty30RaS72QPYx9HCfIquFmsmG2RbbV+GSSidyU8k7X3PtVermdJr2YW4nE3rZB izCyiOwN0V+UM/Xzl36n6QfDJlsd18zQikRxM= Received: by 10.224.95.142 with SMTP id d14mr753507qan.379.1286488056146; Thu, 07 Oct 2010 14:47:36 -0700 (PDT) MIME-Version: 1.0 Received: by 10.220.179.195 with HTTP; Thu, 7 Oct 2010 14:47:15 -0700 (PDT) In-Reply-To: <20101007212914.GO26009@rai.laznode.com> References: <20101007212914.GO26009@rai.laznode.com> From: Ted Dunning Date: Thu, 7 Oct 2010 14:47:15 -0700 Message-ID: Subject: Re: Changing configuration To: zookeeper-user@hadoop.apache.org Content-Type: multipart/alternative; boundary=00c09f99e42f982ed104920dd74d X-Virus-Checked: Checked by ClamAV on apache.org --00c09f99e42f982ed104920dd74d Content-Type: text/plain; charset=UTF-8 Restart all clients ... eventually. No need for a grand hurry unless your ZK servers are very busy. On Thu, Oct 7, 2010 at 2:29 PM, Adam Lazur wrote: > Restart all clients too. > > .laz > > Patrick Hunt (phunt@apache.org) said: > > You probably want to do a "rolling restart", this is preferable over > > "restart the cluster" as the service will not go down. > > http://wiki.apache.org/hadoop/ZooKeeper/FAQ#A6 > > > > Patrick > > > > On Wed, Oct 6, 2010 at 9:49 PM, Avinash Lakshman < > avinash.lakshman@gmail.com > > > wrote: > > > > > Suppose I have a 3 node ZK cluster composed of machines A, B and C. Now > for > > > whatever reason I lose C forever and the machine needs to be replaced. > How > > > do I handle this situation? Update the config with D in place of C and > > > restart the cluster? Also if I am interested in read just the ZAB > portions > > > which packages should I be looking at? > > > > > > Cheers > > > A > > > > --00c09f99e42f982ed104920dd74d--