Re: Keepalive

From: Rui DeSousa <rui(dot)desousa(at)icloud(dot)com>
To: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
Cc: pgsql-admin <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Keepalive
Date: 2024-06-15 16:17:04
Message-ID: 2102D9CA-8FBD-49FE-821D-D74987442204@icloud.com
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> On Jun 14, 2024, at 1:47 PM, Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> wrote:
>
> On Fri, 2024-06-14 at 11:22 -0400, Rui DeSousa wrote:
>> I have a very long running query that is not being terminated after a keep alive timeout event.
>> The situation is that the client drops from the network, the servers’ tcp/ip stack drops the
>> connection, and the Postgres query continues to run without a network connection.
>>
>> The given system is running on Linux and I’m being told this is expected behavior; however,
>> that is not has not been my experience. My preferred platform to run Postgres on is FreeBSD
>> and in cases like this the Postgres session is also terminated once the tcp/ip connection is
>> dropped by the kernel.
>
> That would surprise me.
>
> There is the parameter "client_connection_check_interval" exactly for that.
>
> Yours,
> Laurenz Albe

I retested the spinner() function on Linux with the client_connection_check_interval set and it now terminates the spinner() function.

Thanks!
Rui.

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