| From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
|---|---|
| To: | Jaime Casanova <jaime(at)2ndquadrant(dot)com> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: keepalives_* parameters usefullness |
| Date: | 2011-07-05 02:14:48 |
| Message-ID: | CAHGQGwF0wGd8C2xnOOrd1gGLof34YMU=h1EyDrfggYSH5jkzvw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Jul 5, 2011 at 4:00 AM, Jaime Casanova <jaime(at)2ndquadrant(dot)com> wrote:
> Simon Riggs <simon(at)2ndQuadrant(dot)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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