Re: Feature freeze date for 8.1

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От Doug McNaught
Тема Re: Feature freeze date for 8.1
Дата
Msg-id 87mzrb9b6y.fsf@asmodeus.mcnaught.org
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Ответ на Re: Feature freeze date for 8.1  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Feature freeze date for 8.1
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Tom Lane <tgl@sss.pgh.pa.us> writes:

> "Dave Held" <dave.held@arraysg.com> writes:
>> How about an optional second connection to send keepalive pings?
>> It could be unencrypted and non-blocking.  If authentication is
>> needed on the ping port (which it doesn't seem like it would need
>> to be), it could be very simple, like this:
>
>
>
> This seems to have nothing whatever to do with the stated problem?

Yeah--one of the original scenarios was "firewall drops DB connection
because it's inactive."  Pinging over a second socket does nothing to
address this.  

If you want to make sure network connection X is up, testing network
connection Y, which happens to be between the same two processes, is
only helpful in a limited set of circumstances.

-Doug


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