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Tue Apr 13 10:43:58 CEST 2010 · https://mail.python.org/pipermail/python-dev/2010-April/099242.html

Jesus Cea wrote:

> About controversial... keepalive are usually sent only when the
> connection is 100% idle for a while, when "while" can be >15 minutes, so
> the load should be "none" for regular connections.

I guess the concern would be that the keepalive probe itself
is subject to uncertain delays, so how long do you wait for
a reply before deciding that the connection is dead? If you
don't wait long enough, you could end up killing a connection
that would have come back if you had waited longer.

-- 
Greg

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[Python-Dev] stdlib socket usage and "keepalive"