[Qgis-user] Qgis slow start up

[Greg Coats]

Marco, Thanks for your test results.
gdalbuildvrt --version shows that I am using GDAL 1.6.3, released 2009/11/19, which is the most recent version for Mac OS X available from http://www.kyngchaos.com/ . GDAL 1.7.0 Release Candidate 1 was issued yesterday. A quick observation with Activity Monitor shows that at start up Qgis 1.4.0 uses 99% of the CPU, and is doing very little disk reading/writing. What version of GDAL is reported by gdalbuildvrt --version?
Greg

On Jan 21, 2010, at 3:19 PM, Marco Hugentobler wrote:

> Hm, on my laptop with ubuntu 9.10 and  current QGIS svn version, 
> dcua_qgis140_relative_reduce6_1440x900_17.qgs opens in 3 seconds and 
> dcua_qgis140_relative_reduce6_1440x900_19.qgs in 4 seconds.
> 
> Maybe William or Tom could test it on Mac and check with a debugger where it 
> spends the time (if it does)?
> 
> Probably also important is what GDAL version you are using (in my case it's 
> the current svn version of GDAL).
> 
> Regards,
> Marco
> 
> Am Donnerstag, 21. Januar 2010 20.20:00 schrieb Greg Coats:
>> Using Qgis 1.4.0, for Mac OS X 10.6, downloaded from
>> http://www.kyngchaos.com/software/qgis I find that, at start up, the .qgs
>> project file for my 70 MB GIS project keeps the CPU 99% busy for 4
>> minutes, the .qgs project file for my 700 MB GIS project keeps the CPU 99%
>> busy for 8 minutes, and the .qgs project file for my 4000 MB GIS project
>> keeps the CPU 99% busy for 25 minutes. William Kyngesburye reports similar
>> results starting up my small Qgis project with Qgis 1.4.0, under Mac OS X
>> 10.6. Craig Leat reports that his .qgs project files regularly take 25
>> minutes to start up, under Ubuntu. In a particularly good piece of news,
>> Giovanni Manghi reports starting up my small GIS project with Qgis 1.4.0
>> takes only 4 seconds, under Linux, which is more than 60 times faster than
>> I am experiencing.
>> 
>> For all of my QGIS projects, I observe that AFTER start up, Qgis QUICKLY
>> pans, and zooms in and out. ESRI ArcGIS starts up all of my GIS projects
>> in less than 10 seconds.
>> 
>> This slow start up by Qgis 1.4.0 is the last remaining obstacle preventing
>> me, and others, from adopting, and promoting Qgis. My small Qgis project
>> can be downloaded from
>> http://homepage.mac.com/gregcoats/jp2/images/dcua_reduce6_01.zip I will
>> provide $1,000.00 for a verifiably solution that yields start up times
>> from .qgs project files of no more than 30 seconds, delivered this month,
>> and $500.00 for a solution delivered next month. Greg Coats
>> 
> 
> -- 
> Dr. Marco Hugentobler
> HUGIS - GIS programming and consulting
> Webereistr. 66
> CH-8134 Adliswil
> marco at hugis.net
> http://homepage.hispeed.ch/hugis/
> Technical Advisor QGIS Project Steering Committee