Return-Path: X-Original-To: apmail-hadoop-common-user-archive@www.apache.org Delivered-To: apmail-hadoop-common-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 2C536DE66 for ; Tue, 18 Dec 2012 11:09:37 +0000 (UTC) Received: (qmail 66905 invoked by uid 500); 18 Dec 2012 11:09:30 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 66795 invoked by uid 500); 18 Dec 2012 11:09:29 -0000 Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hadoop.apache.org Delivered-To: mailing list user@hadoop.apache.org Received: (qmail 66780 invoked by uid 99); 18 Dec 2012 11:09:29 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 18 Dec 2012 11:09:29 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of dontariq@gmail.com designates 209.85.216.169 as permitted sender) Received: from [209.85.216.169] (HELO mail-qc0-f169.google.com) (209.85.216.169) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 18 Dec 2012 11:09:22 +0000 Received: by mail-qc0-f169.google.com with SMTP id t2so252808qcq.0 for ; Tue, 18 Dec 2012 03:09:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; bh=2NWZrHaZ/A3q9bcY8/E83gJMtC8LC+g9EDBq4GXz5G0=; b=Oi4NjzehHc3Z2OT9Deo7VfL5tEW/rqtY0DmZOFt3cfe/l5f/aJ2PCT0LBR+JH3cnfh MDkaWZukRfQl3sYDE3ww2Ojqetkd8d2l/D7cZXcULjYUlhQ4rLv81nC83jPnLqdTJZcM kNVo93Fs7bWhypT0OSHnpSG8NHXNpEcw6BfwX8xBJppTKO5yyJtlAaWDJPG0kOx6FZwm ObzlxUzYZNjyMQfDF2tCVbJgExkUsvD3Liir76f0z/91gjpolIciXTc6ZFuC7tg6D0Ff 8xm+/RlWRvGdSDtzIhci/rfcTqohTpTY2aSZxMWhA8lgMANvAH7IjnhPV15jjodr1YlJ oeHQ== Received: by 10.224.53.7 with SMTP id k7mr664573qag.96.1355828941280; Tue, 18 Dec 2012 03:09:01 -0800 (PST) MIME-Version: 1.0 Received: by 10.229.126.165 with HTTP; Tue, 18 Dec 2012 03:08:21 -0800 (PST) In-Reply-To: References: <39F7E49B848983498EE0B017EA4AC6E12C5ECA@SREMBZ.in.telecom.lt> From: Mohammad Tariq Date: Tue, 18 Dec 2012 16:38:21 +0530 Message-ID: Subject: Re: #of disk partitions on a phisical machine To: "user@hadoop.apache.org" Content-Type: multipart/alternative; boundary=20cf3074d9d86bd3fe04d11e86d8 X-Virus-Checked: Checked by ClamAV on apache.org --20cf3074d9d86bd3fe04d11e86d8 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hello Tadas, It is actually a good option to have multiple disks attached to a machine often referred to as JBOD (just a bunch of disks) configuration. Just have to add the properties as specified my Mr. Nitin. Best Regards, Tariq +91-9741563634 On Tue, Dec 18, 2012 at 4:35 PM, Nitin Pawar wrote= : > you can have multiple partitions (multiple directories) > > when you setup your hdfs you will need to set > > > dfs.data.dir > dir1, > dir2 > true > > > On Tue, Dec 18, 2012 at 4:21 PM, Tadas Mak=C4=8Dinskas > wrote: > >> I have several physical machines with two mounted hard disks each. Now >> going through partitioning process and not sure should I leave partitio= ns >> according to the disk size or it=E2=80=99s better to merge them as one?*= *** >> >> ** ** >> >> As I will have just one JT, DN per server not sure how multiple >> partitions will be handled within Hadoop. Do they perform in such a mann= er? >> **** >> >> ** ** >> >> Thanks, Tadas**** >> > > > > -- > Nitin Pawar > > --20cf3074d9d86bd3fe04d11e86d8 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hello Tadas,
=C2=A0
=C2=A0 =C2=A0 =C2= =A0 =C2=A0It is actually a good option to have multiple disks attached to a= machine often referred to as JBOD (just a bunch of disks) configuration. J= ust have to add the properties as specified my Mr. Nitin.

Best Regards,
T= ariq
+91-9741563634



On Tue, Dec 18, 2012 at 4:35 PM, Nitin P= awar <nitinpawar432@gmail.com> wrote:
you can have multiple partitions (multiple directories)=C2= =A0

when you setup your hdfs you will need to set=C2=A0<= /div>

<property>
<name>dfs.data.di= r</name>
<value>dir1,
dir2
<final>true</f= inal>
</property


On Tue, Dec 18, 2012 at 4:21 PM, Tadas Mak=C4=8Dinska= s <Tadas.Makcinskas@bdc.lt> wrote:

I have sev= eral physical machines with two mounted hard disks each. Now going through = partitioning process and not sure =C2=A0should I leave partitions according to the disk size or it=E2=80=99s better to merge them as one?=

=C2= =A0

As I will have just one JT, DN = per server not sure how multiple partitions will be handled within Hadoop. = Do they perform in such a manner?

=C2= =A0

Thanks, Ta= das




--
Nitin Pawar


--20cf3074d9d86bd3fe04d11e86d8--