Al Hopper wrote:
> On Wed, Oct 29, 2008 at 8:43 AM, Bob Friesenhahn
> <[EMAIL PROTECTED]> wrote:
>   
>> On Wed, 29 Oct 2008, Martti Kuparinen wrote:
>>
>>     
>>> Bob Friesenhahn wrote:
>>>       
>>>> AMD Athelon/Opteron dual core likely matches or exceeds
>>>> Intel quad core for ZFS use due to a less bottlenecked memory channel.
>>>>         
>>> How big is the difference? Does anyone have benchmarking results (maybe even
>>> when using ZFS on Solaris 10)?
>>>       
>> The big question would be what should be benchmarked.  ZFS is like a
>> big RAM cache.  The more RAM the better.  You would be surprised how
>> little disk activity there can really be on systems with a lot of RAM
>> as long as synchronous writes are avoided.  As a result, some common
>> scenarios mostly exercise RAM rather than the disk channel.
>>
>> Unless you need a higher power CPU for other purposes, a ZFS-based
>> server should focus on maximizing installed RAM.
>>     
>
> Agreed 100%
>
> It's easy to find DDR2 RAM at around $20/gigabyte (based on 1Gb or 2Gb
> DIMMs) and I've seen some deals as low a $8/Gb for Kingston RAM.
>   

ECC?
 -- richard

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