[mapserver-users] MapServer performance question - slow on different machine

[Umberto Nicoletti]

the only difference seems to be the presence of MapCache on the slower
system. Could you try removing it ?

hth,
Umberto

On Thursday, July 25, 2013, andy wrote:

> On 7/25/2013 1:56 PM, andy wrote:
>
>> On 7/24/2013 10:59 AM, Mark Volz wrote:
>>
>>> Hello,
>>>
>>>
>>> ·The machine is using a 6.8 out of the available 8GB of RAM
>>>
>>> oI think we need more RAM on the system, however I am curious as to why
>>> the MapServer 5 application ran fast, while MapServer 6 is slow.  Could
>>> IIS just behave better than Apache under low RAM situations?
>>>
>>> oThat being said both Apache and MapServer take a minimal amount of RAM
>>>
>>>
>
> I'm coming from the linux world, but I have to assume windows would do the
> same:  your os should be caching the snot out of your disk. Hopefully that
> 6.8 gig of usage is for disk cache.  Any way to tell if that's the case?
>  You want all of your ram used as disk cache.
>
> Is there a way to see how much cpu vs disk is being used?  If your cpu
> usage is high and disk io is low, then you have a huge cache and you don't
> need more ram.
>
> If your cpu is low and your disk io is high, then you have a tiny cache,
> and you could use more ram.
>
> -Andy
>
>
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