Re: tcp settings - Mailing list pgsql-general

From Tom Lane
Subject Re: tcp settings
Date
Msg-id 934612.1663716103@sss.pgh.pa.us
Whole thread Raw
In response to tcp settings  (Rob Sargent <robjsargent@gmail.com>)
Responses Re: tcp settings
List pgsql-general
Rob Sargent <robjsargent@gmail.com> writes:
> I'm wondering if there's a disconnect between my servers postgresql.conf 
> and the system tcp settings? Are the config names supposed to match a 
> file in /proc/sys/net/ipv4?

Probably not --- we certainly didn't pick them with the intention
of matching any specific system's naming of the options.  On my
Linux box it looks like the related files are named
/proc/sys/net/ipv4/tcp_keepalive_XXX

But in any case, if this is your problem:

> My issue is that psql is timing out with "SSL SYSCALL error: Connection 
> timed out".

then keepalives aren't necessarily the solution anyway.  When is
this failure occurring ... is it while trying to establish the
database connection in the first place?  Or does it only happen
if you've left the psql session sit idle for a long while?

            regards, tom lane



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