Re: New PG14 server won't start with >2GB shared_buffers

NP, it’s early on a Saturday here on the East Coast. Just grateful for the assistance. :)

Thanks,

Chris Hoover
Senior DBA
AWeber.com
Cell: (803) 528-2269
Email: chrish(at)aweber(dot)com

> On Feb 25, 2023, at 9:53 AM, MichaelDBA <MichaelDBA(at)sqlexec(dot)com> wrote:
>
> I sincerely apologize. I should have read this stuff more closely.
>
> Jeff Janes wrote on 2/25/2023 9:51 AM:
>> On Sat, Feb 25, 2023 at 9:05 AM MichaelDBA <MichaelDBA(at)sqlexec(dot)com <mailto:MichaelDBA(at)sqlexec(dot)com>> wrote:
>>> I just don't get what all this fuss is about trying to get PG up on the smallest possible values for shared_buffers, especially considering this person has 1 TB of memory?
>>
>> The fuss is why he can't make it bigger. No one wants to make it as small as possible.
>>
>>> Chris Hoover wrote on 2/25/2023 8:07 AM:
>>>>
>>>> Here is shmall:
>>>> kernel.shmall = 17179869184
>>
>> How did that get so small? On my Ubuntu18.04, it comes out of the box at 2^64 - 1. Why would anyone have set about making it smaller? Now the current value should still be big enough, but I wonder what else got changed while someone was monkeying with things that didn't need to be monkeyed with.
>>
>> Cheers,
>>
>> Jeff
>
>
> Regards,
> Michael Vitale
> Michaeldba(at)sqlexec(dot)com <mailto:michaelvitale(at)sqlexec(dot)com>
> 703-600-9343
>
> <pgadvanced3.jpg>