Re: Regression tests fail on OpenBSD due to low semmns value - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Regression tests fail on OpenBSD due to low semmns value
Date
Msg-id 1996423.1734373596@sss.pgh.pa.us
Whole thread Raw
In response to Re: Regression tests fail on OpenBSD due to low semmns value  (Andres Freund <andres@anarazel.de>)
List pgsql-hackers
Andres Freund <andres@anarazel.de> writes:
> On 2024-12-16 12:52:46 -0500, Tom Lane wrote:
>> * Why in the world is the default value of max_wal_senders 10?
>> I find it hard to believe that there are installations using
>> more than about 3, and even there you can bet they are changing
>> a lot of other parameters.

> I don't think it's that rare as logical replication also needs a walsender
> slot...  I think we're going to hurt far more users by lowering this than we'd
> help.

Hm, okay.  If we just twiddle SEMAS_PER_SET we can still have
max_connections = 25 with max_wal_senders = 10, so doing that
much seems free.

            regards, tom lane



pgsql-hackers by date:

Previous
From: Andres Freund
Date:
Subject: Re: Regression tests fail on OpenBSD due to low semmns value
Next
From: Tom Lane
Date:
Subject: Re: Improving default column names/aliases of subscript text expressions