[plt-dev] Re: [plt-internal] Upload of Planet package fails

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Wed Feb 11 12:42:28 EST 2009

On Wed, Feb 11, 2009 at 11:13 AM, Jay McCarthy <jay.mccarthy at gmail.com> wrote:
> On Wed, Feb 11, 2009 at 10:01 AM, Robby Findler
> <robby at eecs.northwestern.edu> wrote:
>>> I don't recognize the error immediately, but I think it might be that
>>> the continuation wasn't found for some reason. Perhaps the file was so
>>> big the continuation was gone before the upload was complete.
>> That doesn't seem good! If that were the case, it would mean that a gc
>> that happens during an upload could potentially cause the upload to
>> fail?
> The continuations are reclaimed independently from the GC. They are
> always reachable, because I never know when a new request will come in
> for them. (For example, someone could go to a site, write down the
> URL, store it in a safety deposit box with instructions for their
> grand-child to go to the site on their 50th birthday, etc.)
> It would be cool to do something GC-like by inspecting all current
> requests during a reclamation phase, but it's not on my radar. (And
> actually wouldn't fix this problem, because until the upload is
> complete there is no request to observe.)

Oh -- so you were saying that the timeout of the continuation expired
before the upload completed, then? That makes much more sense.


Posted on the dev mailing list.