[Chameleon] Performance measuring question

[Paul Spencer]

Hardware will always help :)  We've had some surprisingly good  
results with 64 bit processors.  Faster hard drives, more ram etc etc

Cheers

Paul

On 12-Apr-06, at 7:29 AM, Gambin Dejan wrote:

> Paul,
>
> Thanks, I'll try that...regarding Chameleon - I suppose there is not
> much that can be done? Do you maybe suggest some hardware  
> modifications
> that could increase the speed?
>
> dejan
>
>> -----Original Message-----
>> From: Paul Spencer [mailto:pspencer at dmsolutions.ca]
>> Sent: Wednesday, April 12, 2006 1:20 PM
>> To: Gambin Dejan
>> Cc: chameleon at lists.maptools.org
>> Subject: Re: [Chameleon] Performance measuring question
>>
>>
>> Dejan,
>>
>> you 'might' get some performance gain out of building a
>> shptree index
>> for your shape file and perhaps tiling it ... not sure.  In general,
>> I would more likely suspect Chameleon since it produces quite heavy
>> load on the server.  Running php as a module should be possible, and
>> could give you some performance gain.
>>
>> Cheers
>>
>> Paul
>>
>> On 12-Apr-06, at 6:14 AM, Gambin Dejan wrote:
>>
>>> Hi list,
>>>
>>> I have finally finished my first serious Chameleon
>> application. It is
>>> working very good, but I would like to see if there are
>> possibly some
>>> performance problems that can be solved because I am
>> experiencing slow
>>> map drawing sometimes (when zooming in)....I'll try to be more
>>> detailed:
>>>
>>> My current application has several layers of which the one
>> is raster
>>> layer defined over 12 tif files (40MB each) that I joined using
>>> tileindex..I have also internally tiled and created
>> internal overviews
>>> on each of the tif files...
>>>
>>> Next I have the main layer, that is roads...it is a LINE shape that
>>> has
>>> about 1MB (and its dbf has only 73KB with 247 records).
>> This layer is
>>> also labeled with two lines, one is overlayed over the other...
>>>
>>> My questions are:
>>>
>>> 1. Since the data I presented shouldn't be "heavy" and assuming
>>> testing
>>> on my localhost - what can be the main reason for sometimes slow map
>>> drawing? I am using JSAPI mode
>>>
>>> 2. How to debug it on Windows? How can I see what is causing this
>>> slowness? I would like to know if hardware is the reason (disk
>>> subsystem
>>> or RAM) or the application...
>>>
>>> 3. I have created my own buttons and icons...maybe they are
>>> "heavy"? Are
>>> they somehow cached? What about the caching anyway?
>>>
>>> Any suggestions are welcome
>>>
>>> Thanks very much
>>>
>>> regards, dejan
>>>
>>> _______________________________________________
>>> Chameleon mailing list
>>> Chameleon at lists.maptools.org
>>> http://lists.maptools.org/mailman/listinfo/chameleon
>>
>> +-----------------------------------------------------------------+
>> |Paul Spencer                           pspencer at dmsolutions.ca   |
>> +-----------------------------------------------------------------+
>> |Applications & Software Development                              |
>> |DM Solutions Group Inc                 http://www.dmsolutions.ca/|
>> +-----------------------------------------------------------------+
>>
>>
>>
>>
>>
>
> _______________________________________________
> Chameleon mailing list
> Chameleon at lists.maptools.org
> http://lists.maptools.org/mailman/listinfo/chameleon

+-----------------------------------------------------------------+
|Paul Spencer                           pspencer at dmsolutions.ca   |
+-----------------------------------------------------------------+
|Applications & Software Development                              |
|DM Solutions Group Inc                 http://www.dmsolutions.ca/|
+-----------------------------------------------------------------+