Re: tcp_keepalives_idle setting

Hi,

On Wed, Dec 10, 2008 at 7:26 PM, Maximilian Tyrtania
<mty@fischerappelt.de> wrote:
> Hi,
>
> recently Tom Lane wrote:
>
> "henry" writes:
>>> I have tried setting tcp_keepalives_idle = 120 (eg), then restarting PG,
>>> but SHOW ALL; shows tcp_keepalives_idle=0 (ignoring my setting).
>
>>Just FYI, this is the expected behavior on platforms where the kernel
>>doesn't allow adjustment of the TCP keepalive parameters from
>>userspace.
>
> I'm running pg 8.3.3 on Mac OS 10.4.11 and I'm seeing the same behaviour as
> Henry.
> I'm trying to find out if Mac OS belongs to those platforms that doesn't
> allow adjustment of the TCP keepalive parameters from userspace, and if so,
> how i can change the systems settings as root.

Do you use TCP/IP socket when you execute SHOW ALL? Those parameters
are ignored via Unix-domain socket.

Regards,

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