From: John Scalia <jayknowsunix@gmail.com>
To: dbatoCloud Solution <dbatocloud17@gmail.com>
Cc: pgsql-admin@postgresql.org
Subject: Re: Increase the size of shared_buffers in AWS RDS 10.11 postgreSQL
Date: Thu, 28 Jan 2021 11:14:06 -0500
Message-ID: <8EFCA485-5230-4E78-820E-F32097F4A47B@gmail.com> (raw)
In-Reply-To: <CAEz7P_s5W43WSXfeLJBRVjuWFYXpshons+1Oz41i5YBWWwEg_g@mail.gmail.com>
References: <CAEz7P_s5W43WSXfeLJBRVjuWFYXpshons+1Oz41i5YBWWwEg_g@mail.gmail.com>
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@gmail.com> wrote:
>
>
> 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: -
> <image.png>
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> <image.png>
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> How to update the shared_buffer into 8GB in the AWS RDS Parameter Group here below?
>
> <image.png>
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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@gmail.com
>
>
>
>> On Thu, Jan 28, 2021 at 6:05 PM dbatoCloud Solution <dbatocloud17@gmail.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?
>>
>>
>>
>>
>> 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@gmail.com =
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To: pgsql-admin@postgresql.org
Cc: jayknowsunix@gmail.com, dbatocloud17@gmail.com
Subject: Re: Increase the size of shared_buffers in AWS RDS 10.11 postgreSQL
In-Reply-To: <8EFCA485-5230-4E78-820E-F32097F4A47B@gmail.com>
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