Hello Wez,
On Thu, 12 Jul 2001, Wez Furlong wrote:
> Hey,
>
> Suppose that I wanted to make a hash persistent so that it's contents were
> shared between processes. Does the persistence mechanism keep a single copy
> and protect access to it using semaphores, or is it more like the mySQL
> pconnect way where a currently idle connection is used instead?
AFAIK, it's like the MySQL pconnect way. There is no way to share data
between processes (only with shared memory or diskstorage).
>
> What I have in mind is a file-contents cache in order to speed up the
> performance of a templating system. Can I use a (true) global hash table in
> my extension and do everything via the persistent version of emalloc, or do I
> have to consider something else?
You might have a look at SRM (www.vl-srm.net) which addresses this kind of
problems. At this moment we are at the point of release the first beta of
it.
regards,
Derick
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