On 18/08/2023 11:34, Emile Amewoto wrote:
> Hi Lejeczek,
> What are you using to control your cluster?
> If you are using patroni, you can use regex to grep the
> Leader or if you are not using any cluster manager you can do:
>
> SELECT Count(pid))
> FROM pg_stat_activity WHERE wait_event IS NOT
> NULL AND backend_type = ‘walsender'
> The master will always have walsender process and the
> standby walreiver
>
> Regards,
> Emile
>
>> On 18 Aug 2023, at 11:07, lejeczek <peljasz(at)yahoo(dot)co(dot)uk>
>> wrote:
>>
>> Hi guys.
>>
>> Is it possible to configure pgSQL to announce it's being
>> a master and not querying it?
>> I was hoping for a file whose existence or content would
>> confirm that and would be generated/created by pqSQL
>> itself - am I too naive?
>>
>> many thanks, L.
>
Hi, thanks for the tip.
I'm looking at what I wrote - perhaps I was bit vague - ...
it's being a master by not querying it & via means of
config/uration instead - is what wanted to ask.