>> Hello hackers.
>>
>> I am struggling to understand why standby.max_connections must be higher
>> than
>>
primary.max_connections.Do someone know the reason why?
>
> Because the KnownAssignedXIDs and lock tables on the standby need to
> be large enough to contain the largest snapshot and greatest number of
> AccessExclusiveLocks that could exist on the master at any given time.
>
>> I think this restriction obstructs making a flexible load balancing.
>> I'd like to make standby database to use load balancing.Of course
>> a role of a standby server is different from one of a master server.
>> So I think it it natural that I want to set standby.max_connections less
>> than
>> primary.max_connections.
>
> Your load balancer should probably have a configuration setting that
> controls how many connections it will try to make to the database, and
> you can set that to a lower value than max_connections.
>
Hi Robert.
I understand the reason Why standby.max_connections must be higher
than primary.max_connections.
I'll try to restrict sessions by load balancer.
Thanks.