Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 76752 invoked from network); 18 Jun 2009 16:26:26 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 18 Jun 2009 16:26:26 -0000 Received: (qmail 12675 invoked by uid 500); 18 Jun 2009 16:26:34 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 12570 invoked by uid 500); 18 Jun 2009 16:26:34 -0000 Mailing-List: contact core-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-dev@hadoop.apache.org Delivered-To: mailing list core-dev@hadoop.apache.org Received: (qmail 12551 invoked by uid 99); 18 Jun 2009 16:26:34 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 18 Jun 2009 16:26:34 +0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=HTML_MESSAGE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of pareekash@gmail.com designates 209.85.221.178 as permitted sender) Received: from [209.85.221.178] (HELO mail-qy0-f178.google.com) (209.85.221.178) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 18 Jun 2009 16:26:24 +0000 Received: by qyk8 with SMTP id 8so1560156qyk.5 for ; Thu, 18 Jun 2009 09:26:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type; bh=YXU8mWmwgdRvVZ/XgAsgXN/iwCMDFfwe6oQbhKQevUs=; b=MnjUoYMQFNmQ5A0skRAdEVHxSQ6KHcxv8Ush+tp7qvSCPHUPk3WlGv4d9UU+eOTDyH 9VbQnvWEUxSrdXT+YHMH0VPHCf/bfcQNr4QfTbCz3GuKKI+RMEJCZGBKMaNZjL3qUesL uRKNVg+GwMpzejDJuUHShU7zTxHAJi5NUhZHc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=bXxTI6wUYlUJOjxE7rcH+n18bpPPU2JMIM89RYN7u3YkydtfZaXvva7h6Rq+e+smhv tMeFnT5r7i8FvY8XByelzTRMpjfoSrzuDD5yTzXuqG1l+9mbwKZwFos7+d2gMgs3hIqu QWM+N1uQ45Yu3l1GDY14r0O/yAa7laeiMTGk0= MIME-Version: 1.0 Received: by 10.224.32.153 with SMTP id c25mr1508633qad.184.1245342363401; Thu, 18 Jun 2009 09:26:03 -0700 (PDT) In-Reply-To: <314098690906180906x26b32b02w8935a7ca1a5456c9@mail.gmail.com> References: <45d9159d0906172202v4d0554f8h1b39f9a1408e021b@mail.gmail.com> <45d9159d0906180746j5819db2ey607deebf226376a0@mail.gmail.com> <314098690906180800t75716208l2c7d6146a95685ff@mail.gmail.com> <45d9159d0906180810s24651773la54a1d365f5a081a@mail.gmail.com> <314098690906180823q67a7733ev95bb797c09abc222@mail.gmail.com> <45d9159d0906180833j3e427bf2r55c0d6dc9234f077@mail.gmail.com> <314098690906180906x26b32b02w8935a7ca1a5456c9@mail.gmail.com> Date: Thu, 18 Jun 2009 21:56:03 +0530 Message-ID: <45d9159d0906180926q4746fcccmb8c5b05f38ec873c@mail.gmail.com> Subject: Re: Need help From: ashish pareek To: core-dev@hadoop.apache.org, core-user@hadoop.apache.org Content-Type: multipart/alternative; boundary=001517576edc31bef2046ca1ddd7 X-Virus-Checked: Checked by ClamAV on apache.org --001517576edc31bef2046ca1ddd7 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Hello Everybody, How can we handle different applications having different requirement being run on the same hadoop cluster ? What are the various approaches to solve such problem.. if possible please mention some of those ideas. Does such implementation exists ? Thanks , Regards, Ashish On Thu, Jun 18, 2009 at 9:36 PM, jason hadoop wrote: > For me, I like to have one configuration file that I distribute to all of > the machines in my cluster via rsync. > > In there are things like the number of tasks per node to run, and where to > store dfs data and local temporary data, and the limits to storage for the > machines. > > If the machines are very different, it becomes important to tailor the > configuration file per machine or type of machine. > > At this point, you are pretty much going to have to spend the time, reading > through the details of configuring a hadoop cluster. > > > On Thu, Jun 18, 2009 at 8:33 AM, ashish pareek > wrote: > > > Can you tell few of the challenges in configuring heterogeneous > > cluster...or > > can pass on some link where I would get some information regarding > > challenges in running Hadoop on heterogeneous hardware > > > > One more things is How about running different applications on the same > > Hadoop cluster?and what challenges are involved in it ? > > > > Thanks, > > Regards, > > Ashish > > > > > > On Thu, Jun 18, 2009 at 8:53 PM, jason hadoop > >wrote: > > > > > I don't know anyone who has a completely homogeneous cluster. > > > > > > So hadoop is scalable across heterogeneous environments. > > > > > > I stated that configuration is simpler if the machines are similar > (There > > > are optimizations in configuration for near homogeneous machines.) > > > > > > On Thu, Jun 18, 2009 at 8:10 AM, ashish pareek > > > wrote: > > > > > > > Does that mean hadoop is not scalable wrt heterogeneous environment? > > and > > > > one > > > > more question is can we run different application on the same hadoop > > > > cluster > > > > . > > > > > > > > Thanks. > > > > Regards, > > > > Ashish > > > > > > > > On Thu, Jun 18, 2009 at 8:30 PM, jason hadoop < > jason.hadoop@gmail.com > > > > >wrote: > > > > > > > > > Hadoop has always been reasonably agnostic wrt hardware and > > > homogeneity. > > > > > There are optimizations in configuration for near homogeneous > > machines. > > > > > > > > > > > > > > > > > > > > On Thu, Jun 18, 2009 at 7:46 AM, ashish pareek < > pareekash@gmail.com> > > > > > wrote: > > > > > > > > > > > Hello, > > > > > > I am doing my master.... my final year project is on > Hadoop > > > > ...so > > > > > I > > > > > > would like to know some thing about Hadoop cluster i.e, Do new > > > version > > > > of > > > > > > Hadoop are able to handle heterogeneous hardware.If you have any > > > > > > informantion regarding these please mail me as my project is in > > > > > > heterogenous > > > > > > environment. > > > > > > > > > > > > > > > > > > Thanks! > > > > > > > > > > > > Reagrds, > > > > > > Ashish Pareek > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > Pro Hadoop, a book to guide you from beginner to hadoop mastery, > > > > > http://www.amazon.com/dp/1430219424?tag=jewlerymall > > > > > www.prohadoopbook.com a community for Hadoop Professionals > > > > > > > > > > > > > > > > > > > > > -- > > > Pro Hadoop, a book to guide you from beginner to hadoop mastery, > > > http://www.amazon.com/dp/1430219424?tag=jewlerymall > > > www.prohadoopbook.com a community for Hadoop Professionals > > > > > > > > > -- > Pro Hadoop, a book to guide you from beginner to hadoop mastery, > http://www.amazon.com/dp/1430219424?tag=jewlerymall > www.prohadoopbook.com a community for Hadoop Professionals > --001517576edc31bef2046ca1ddd7--