Re: keepalives_* parameters usefullness - Mailing list pgsql-hackers

From Fujii Masao
Subject Re: keepalives_* parameters usefullness
Date
Msg-id CAHGQGwF0wGd8C2xnOOrd1gGLof34YMU=h1EyDrfggYSH5jkzvw@mail.gmail.com
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In response to Re: keepalives_* parameters usefullness  ("Jaime Casanova" <jaime@2ndquadrant.com>)
List pgsql-hackers
On Tue, Jul 5, 2011 at 4:00 AM, Jaime Casanova <jaime@2ndquadrant.com> wrote:
> Simon Riggs <simon@2ndQuadrant.com> writes:
>> There's a list of preconditions as to when these settings take effect,
>> otherwise they are a no-op.
>>
>
> do we know what those preconditions are?

The keepalives don't work at least on linux when the connection is
terminated after sending a packet and before receiving TCP-level ACK.

Regards,

-- 
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center


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