Re: beta3 & the open items list - Mailing list pgsql-hackers

From Tom Lane
Subject Re: beta3 & the open items list
Date
Msg-id 17462.1277011096@sss.pgh.pa.us
Whole thread Raw
In response to Re: beta3 & the open items list  (Florian Pflug <fgp@phlo.org>)
Responses Re: beta3 & the open items list  (Florian Pflug <fgp@phlo.org>)
List pgsql-hackers
Florian Pflug <fgp@phlo.org> writes:
> On Jun 19, 2010, at 21:13 , Tom Lane wrote:
>> This is nonsense --- the slave's kernel *will* eventually notice that
>> the TCP connection is dead, and tell walreceiver so.  I don't doubt
>> that the standard TCP timeout is longer than people want to wait for
>> that, but claiming that it will never happen is simply wrong.

> No, Robert is correct AFAIK. If you're *waiting* for data, TCP
> generates no traffic (expect with keepalive enabled).

Mph.  I was thinking that keepalive was on by default with a very long
interval, but I see this isn't so.  However, if we enable keepalive,
then it's irrelevant to the point anyway.  Nobody's produced any
evidence that keepalive is an unsuitable solution.
        regards, tom lane


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