[Mongrel] restarting cluster without killing in progress file uploads

[Ben Blakley]

Hello,

I have a cluster of three Mongrels running behind Pound. All is running
well except when I restart the cluster (mongrel_rails cluster::restart)
any in progress file uploads (handled through mongrel_upload_progress)
stop uploading. That is, if I'm uploading a file (via a web app being
served by the mongrel cluster) during a restart, my browser will
indefinitely pause as if it is still uploading the file but I can see
from my computer's bandwidth usage that the file has indeed stopped
uploading. I tried the rolling restart technique discussed in the
following post but the result is the same:

http://www.ruby-forum.com/topic/130285

Anyone have any ideas how this can be solved? Or please let me know if
you need more information. Thanks!
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