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Posted by Jerry Stuckle on 07/16/07 00:28
Jim wrote:
> Hi,
>
> I'm developing a CMS and I'd like to be able cache the site "tree" in
> a multi-dimensional array in shared memory (far too many sql calls
> otherwise). When someone adds an item in the tree I need to be able to
> read in the array from shared memory, add the new item, then write it
> back to shared memory.....all in one atomic action.
>
> I've done plenty of research and short of using something like
> eaccelerator or mmcache I'm stuck with PHP semaphores which even then
> don't appear to be thread safe, only process safe (correct me if I'm
> wrong) - and then I'm restricted to *nix systems.
>
> Is there any way to create a method of doing the above which will work
> on *nix and Windows, whether it's multi-threaded or single-threaded?
>
> Thanks,
>
> Jim.
>
Jim,
Use a database. There are dozens around which use databases; if
implemented properly they can be quite efficient.
--
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Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
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