[OSM-dev] osm2pgsql slim mode, postgis, and hard disk spindles

Matt Amos zerebubuth at gmail.com
Thu Sep 3 12:24:02 BST 2009


On Thu, Sep 3, 2009 at 11:55 AM, John Smith<deltafoxtrot256 at gmail.com> wrote:
> 2009/9/3 Matt Amos <zerebubuth at gmail.com>:
>> On Thu, Sep 3, 2009 at 11:24 AM, sylvain letuffe<liste at letuffe.org> wrote:
>>> My next step would be to conduct tests on a larger disk number raid0 array
>>> (or hope for ssd disk prices to lower :-) )
>>
>> that's what i'm waiting for too. as soon as i can get 500Gb of SSD for
>> a sensible price, i'm going shopping. ;-)
>
> Flash memory isn't as fast as system ram, and you can get ram drives
> that have on board batteries to keep the memory contents until the
> system comes back on.

yeah, but they're (very) expensive. just did a little price-up and
500Gb of ramdisk would cost about £9,152. 500Gb of intel x25-m would
cost £1,280. when the cost of either goes below £280**, i'm interested
;-)

cheers,

matt

**: £280 is the cost of 2x 300Gb WD raptors.




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