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Hadoop >> mail # user >> recommendation on HDDs


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Re: recommendation on HDDs
Better to provide a summary as well as the link
On Friday, February 18, 2011, Shrinivas Joshi <[EMAIL PROTECTED]> wrote:
> There seems to be a wiki page already intended for capturing information on
> disks in Hadoop environment. http://wiki.apache.org/hadoop/DiskSetup
>
> Do we just want to link the thread on HDD recommendations from this wiki
> page?
>
> -Shrinivas
>
> On Tue, Feb 15, 2011 at 11:48 AM, zGreenfelder <[EMAIL PROTECTED]>wrote:
>
>> untopposing everything.
>>
>> >> > Since the OP believes that their requirement is 1TB per node... a
>> single
>> >> > 2TB would be the best choice. It allows for additional space and you
>> >> really
>> >> > shouldn't be too worried about disk i/o being your bottleneck.
>> >>
>>
>> >> The original poster also seemed somewhat interested in disk bandwidth.
>> >>
>> >> That is facilitated by having more than on disk in the box.
>> >>
>> >> On Sat, Feb 12, 2011 at 8:26 AM, Michael Segel <
>> [EMAIL PROTECTED]
>> >> >wrote:
>> >>
>> On Tue, Feb 15, 2011 at 11:49 AM, Shrinivas Joshi <[EMAIL PROTECTED]>
>> wrote:
>> > Thanks much to all who shared their inputs. This really helps. It would
>> be
>> > nice to have a wiki page collecting all this good information. I will
>> check
>> > with that. We are definitely going with large capacity disks (>= 1TB).
>> >
>> > -Shrinivas
>> >
>>
>> I think the guidelines would be good to capture, but that seems like
>> it'd be more of a footnote or subsection to a larger hardware
>> notes/specs/suggestions page with some guides for picking processors,
>> memory, et al(maybe also noting what flavors of OSes are known to have
>> particular upside/downsides).   It was noted no less than 3 times in
>> the thread this is a very fluid target and completely reasonable
>> choices today (e.g. X TB sata drives) might be viewed as silly in a
>> year or 6 months.
>>
>> that's my personal opinion, anyway.
>>
>>
>>
>> --
>> Even the Magic 8 ball has an opinion on email clients: Outlook not so good.
>>
>