Problem with ksycoca on windows

Ralf Habacker ralf.habacker at
Fri Feb 15 12:22:09 GMT 2008

Thiago Macieira schrieb:
> On Friday 15 February 2008 12:03:33 Christian Ehrlicher wrote:
>>> Ouch. This defeats the whole point of a shared mmap'ed file: every
>>> process is going
>>> to load the entire set of desktop files and mimetypes+servicetypes in
>>> memory...
>>> The memory consumption will be quite large.
>>> With a very small kde4 installation (not all modules etc.) ksycoca4 is
>>> 1.6 MB here.
>>> 15 kde processes running (that's a very low estimate) => 24 MB.
>>> Oh well, if there's no other solution....
>> There will be another solution (with Qt4.4 and QSharedMemory) when qt-copy
>> compiles fine on windows with our emerge scripts (not tested/verified yet).
>>  For now I would like to have this patch in ksycoca (maybe with a TODO or
>> something similar)
> We can also dump our mmap code since QFile has mmap support now in 4.4.
You are refering to QSharedMemory class or something else ? 


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