Return-Path: Delivered-To: apmail-lucene-hadoop-user-archive@locus.apache.org Received: (qmail 69210 invoked from network); 10 Jan 2007 11:28:23 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 10 Jan 2007 11:28:23 -0000 Received: (qmail 44699 invoked by uid 500); 10 Jan 2007 11:28:14 -0000 Delivered-To: apmail-lucene-hadoop-user-archive@lucene.apache.org Received: (qmail 44512 invoked by uid 500); 10 Jan 2007 11:28:13 -0000 Mailing-List: contact hadoop-user-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hadoop-user@lucene.apache.org Delivered-To: mailing list hadoop-user@lucene.apache.org Received: (qmail 44347 invoked by uid 99); 10 Jan 2007 11:28:12 -0000 Received: from herse.apache.org (HELO herse.apache.org) (140.211.11.133) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 10 Jan 2007 03:28:12 -0800 X-ASF-Spam-Status: No, hits=1.4 required=10.0 tests=DNS_FROM_RFC_ABUSE,DNS_FROM_RFC_WHOIS X-Spam-Check-By: apache.org Received-SPF: neutral (herse.apache.org: local policy) Received: from [203.99.254.143] (HELO rsmtp1.corp.hki.yahoo.com) (203.99.254.143) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 10 Jan 2007 03:22:58 -0800 Received: from [10.80.33.1] (gautham-dx.bangalore.corp.yahoo.com [10.80.33.1]) by rsmtp1.corp.hki.yahoo.com (8.13.8/8.13.6/y.rout) with ESMTP id l0ABLAAY023608 for ; Wed, 10 Jan 2007 03:21:11 -0800 (PST) DomainKey-Signature: a=rsa-sha1; s=serpent; d=yahoo-inc.com; c=nofws; q=dns; h=message-id:date:from:user-agent:mime-version:to:subject: references:in-reply-to:content-type:content-transfer-encoding; b=UVT/r88ToycB4ohOND2p36xX/E3XPqjymtynA0hBQEii252yNCjAjqSYc9LfMITl Message-ID: <45A4CC24.1040808@yahoo-inc.com> Date: Wed, 10 Jan 2007 16:51:08 +0530 From: Gautam Kowshik User-Agent: Thunderbird 1.5.0.9 (Windows/20061207) MIME-Version: 1.0 To: hadoop-user@lucene.apache.org Subject: Re: Job Tracker failover References: <3d717a3d0701080637w242cebfdu5d1e4e04d83338bc@mail.gmail.com> In-Reply-To: <3d717a3d0701080637w242cebfdu5d1e4e04d83338bc@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org no there isn't any failover for JT as of now. It has to be started up manually. -Gautam. Sarvesh Singh wrote: > Hi, > When I kill job tracker process in a Hadoop cluster of 3 node instances, > everything collapsed. > I was solving a problem by map/reduce > and program bombed as job tracker is dead? > Is there any failover mechanism for job tracker?? > Thanks > Servesh >