Tickets :: Comment on [#13566] Multi-thread performance while uploading

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Comment	>>>> Neither Horde nor PHP has control over the number of CPUs in use on >>>> the server. the only thing I could suggest is making sure that the >>>> configuration for auto generating the views is turned off and see if >>>> that helps >>> >>> I've actually narrowed it down to the fact that even if you open 3 >>> tab in the same browser somehow apache consider it the same session >> >> Of course. Anything coming from the same browser/login is going to be >> the same session. >> >>> and thus don't spread the work on 3 worker. Though if you open one in >>> firefox and one in chrome those are considered as 2 session and will >>> be working on 2 worker. >>> >>> I might be mistaken in the explication but the bahavior is what I noticed. >>> >>> Would there be a workaround possible with that to fire up more worker >>> to increase the picture processing ? >> >> No. Userland code has no control over which PHP instance executes the >> code (unless you start talking about using the various forking >> functions in PHP and we are NOT going there). The only possibility is >> to write a new backend handler for Horde_Queue (which queues the >> operations when automatically generating the image thumbnails on >> upload). Note that this would only help once the files are fully >> uploaded, and not affect the actual uploaded of the files. >> >>> Like during the upload I noticed it's only working on 1 picture at a >>> time instead of let's say 4 ( configurable the maximum of >>> simultanuous upload from a user ) >> >> The core logic that handles the uploading is done via a third party >> library called Plupload, and this does not currently support >> simultaneous uploads, or immediate-start-on-drop operations. Even if >> we did have the functionality, though, you are still stuck with the >> problem of it all being done from a single session. > > I understand that basically it's possible, but would require almost > compiling a very exotic version of php and possibly apache to achieve > and thus make it "impossible". You're by far more knowledgable than > me in the depts of php and linux various packages. > > > Thanks btw for the time you take answering those ticket. My > university is actually using imp ( old one probably on horde version > 3 ) and I think there is great potential with this framework.
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