[159669] in North American Network Operators' Group
Re: Netflow Nfsen Server Hardware
daemon@ATHENA.MIT.EDU (Christopher Morrow)
Thu Jan 17 11:19:51 2013
In-Reply-To: <OFA8D50942.015FF5CF-ON85257AF6.00595772-85257AF6.00596F8E@csc.com>
Date: Thu, 17 Jan 2013 11:19:38 -0500
From: Christopher Morrow <morrowc.lists@gmail.com>
To: Joe Loiacono <jloiacon@csc.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Thu, Jan 17, 2013 at 11:16 AM, Joe Loiacono <jloiacon@csc.com> wrote:
> christopher.morrow@gmail.com wrote on 01/17/2013 11:01:06 AM:
>
>> From: Christopher Morrow <morrowc.lists@gmail.com>
>> To: Joe Loiacono/USA/CSC@CSC
>> Cc: Tim Calvin <tcalvin@tlsn.net>, "nanog@nanog.org" <nanog@nanog.org>
>> Date: 01/17/2013 11:01 AM
>> Subject: Re: Netflow Nfsen Server Hardware
>> Sent by: christopher.morrow@gmail.com
>>
>> On Thu, Jan 17, 2013 at 9:05 AM, Joe Loiacono <jloiacon@csc.com> wrote:
>> > Tim Calvin <tcalvin@tlsn.net> wrote on 01/16/2013 05:51:11 PM:
>> >
>> >> PowerEdge R610 -
>> >>
>> >> 2x Intel E5540, 2.53GHz Quad Core Processor
>> >>
>> >> 32GB RAM
>> >>
>> >> 2x 300gb 10k 2.5" SAS HDD
>> >
>> > Since netflow processing is generally I/O bound, you may want to invest
>> > in
>> > 15K drives.
>>
>> I had suggested off-list that perhaps primary storage as SSD was a
>> better path, is there a reason to not do that? (with some larger
>> storage on spinning-media for historical storage/query).
>
> Nope, great suggestion. Just a cost consideration ...
ah, ok... I figure that even if you were to put in 2 || 3 SSD drives
in the 200gb range, one per controller, you'd get maximum throughput
for a few days of data at not very much of a premium, then back up /
near-line store the data longer term on spinning 2tb or so disks.
