Re: Increase the size of shared_buffers in AWS RDS 10.11 postgreSQL

Well, you should understand the AWS recommends a 75% setting, or 24GB in their documentation. So, why don’t you just set the value as something like that in your database parameter group settings.

Sent from my iPad

> On Jan 28, 2021, at 10:55 AM, dbatoCloud Solution <dbatocloud17(at)gmail(dot)com> wrote:
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> Hi John,
> Yes, I calculated as per pgtune(https://pgtune.leopard.in.ua/#/)
> advisor. I took 25% of physical memory 32GB in AWS RDS PostgreSQL which is 8GB.
>
>> AWS PostgreSQL Configuration: -
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> How to update the shared_buffer into 8GB in the AWS RDS Parameter Group here below?
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> Thanks & Best Wishes,
>
> Ashok
>
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> ---------------------------------------------------------------------------------------------------------------------
>
> Ashokkumar Mani (OCP12c/11g/10g/9i, AWS SAA, M103)
>
> Dubai , UAE | BLR , INDIA
>
> M: +971 54 723 0075 | +91 90086 70302 | WApp : +91 81975 99922
>
> W: https://dbatocloudsolution.blogspot.in/ | E: dbatocloud17(at)gmail(dot)com
>
>
>
>> On Thu, Jan 28, 2021 at 6:05 PM dbatoCloud Solution <dbatocloud17(at)gmail(dot)com> wrote:
>> Hi All,
>>
>> I want to increase the size of shared_buffers in AWS RDS postgreSQL 10.11. When I see it in the DB parameter group in AWS it says "SUM({DBInstanceClassMemory/12038},-50003)" and at the instance level I see 2694408 .
>>
>> Please let me know how to calculate and change the value for 8GB?
>>
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>>
>> Thanks & Best Wishes,
>>
>> Ashok
>>
>>
>>
>> ---------------------------------------------------------------------------------------------------------------------
>>
>> Ashokkumar Mani (OCP12c/11g/10g/9i, AWS SAA, M103)
>>
>> Dubai , UAE | BLR , INDIA
>>
>> M: +971 54 723 0075 | +91 90086 70302 | WApp : +91 81975 99922
>>
>> W: https://dbatocloudsolution.blogspot.in/ | E: dbatocloud17(at)gmail(dot)com