It depends on your distribution. Some distributions are more efficient at
driving spindles than others.
Ratios as high as 2 spindles per core are sometimes quite reasonable.
On Fri, Oct 12, 2012 at 10:46 AM, Patai Sangbutsarakum
silvianhad...@gmail.com wrote:
I have read around about the
@hadoop.apache.orgmailto:user@hadoop.apache.org
Date: Fri, 12 Oct 2012 12:11:56 -0700
To: user@hadoop.apache.orgmailto:user@hadoop.apache.org
Subject: Re: Spindle per Cores
It depends on your distribution. Some distributions are more efficient at
driving spindles than others.
Ratios as high as 2 spindles per core
that the mix was optimal?
Hank Cohen
Altior Inc.
-Original Message-
From: Patai Sangbutsarakum [mailto:silvianhad...@gmail.com]
Sent: Friday, October 12, 2012 10:46 AM
To: user@hadoop.apache.org
Subject: Spindle per Cores
I have read around about the hardware recommendation for hadoop cluster.
One
To: user@hadoop.apache.org
Subject: Spindle per Cores
I have read around about the hardware recommendation for hadoop cluster.
One of them is recommend 1:1 ratio between spindle per core.
Intel CPU come with Hyperthread which will double the number cores on one
physical CPU. eg. 8 cores
are true (that is, no other bottlenecks), consider adding
more drives.
Jeff
-Original Message-
From: Hank Cohen [mailto:hank.co...@altior.com]
Sent: Friday, October 12, 2012 1:46 PM
To: user@hadoop.apache.org
Subject: RE: Spindle per Cores
What empirical evidence
: Friday, October 12, 2012 1:46 PM
To: user@hadoop.apache.org
Subject: RE: Spindle per Cores
What empirical evidence is there for this rule of thumb?
In other words, what tests or metrics would indicate an optimal
spindle/core ratio and how dependent is this on the nature of the data
[mailto:hank.co...@altior.com]
Sent: Friday, October 12, 2012 1:46 PM
To: user@hadoop.apache.org
Subject: RE: Spindle per Cores
What empirical evidence is there for this rule of thumb?
In other words, what tests or metrics would indicate an optimal
spindle/core ratio and how dependent
-
From: Hank Cohen [mailto:hank.co...@altior.com]
Sent: Friday, October 12, 2012 1:46 PM
To: user@hadoop.apache.org
Subject: RE: Spindle per Cores
What empirical evidence is there for this rule of thumb?
In other words, what tests or metrics would indicate an optimal
spindle/core
...@gmail.com
Reply-To: user@hadoop.apache.orgmailto:user@hadoop.apache.org
Date: Fri, 12 Oct 2012 22:27:50 -0500
To: user@hadoop.apache.orgmailto:user@hadoop.apache.org
Subject: Re: Spindle per Cores
Thanks Michael.
On Oct 12, 2012 9:59 PM, Michael Segel
michael_se...@hotmail.commailto:michael_se
