[Backgroundrb-devel] Best way to run hundreds of concurrent tasks?

hemant kumar gethemant at gmail.com
Mon Sep 15 00:30:29 EDT 2008

On Sun, 2008-09-14 at 19:34 -0700, Robert Matei wrote:
> Hi all, 
> I'm trying to figure out to run some asynchronous tasks in a Facebook
> app. I've got things working, but BRB crashes after a little while,
> and I'm not sure if my setup is ideal. 
> Here's the scenario:
> - whenever a user visits my app, I need to fire off a bunch of API
> calls. 
> - these calls need to start right away, because the user sees a
> 'loading' screen until they return. 
> - the job is not calculation or memory-intensive on my end, but it
> does take 15-20 seconds to get all the responses from Facebook. 
> I'm on a fairly small server, so it's important to keep memory use low
> (and stability high), while still being able to handle thousands of
> simultaneous visitors. Right now I'm using a single worker, and each
> visitor generates a new thread in the thread pool. After a little
> while tasks only get a few calls in before failing with a "Connection
> reset by peer" error. Eventually my worker just disappears
> altogether. 
> What's going on? What kind of setup should I be running?

What version of BDRB? What version of packet gem? Which OS?

Are you using mechanize or something for interacting with facebook? or
just normal RFacebook or something?

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