From: | John Scalia <jayknowsunix(at)gmail(dot)com> |
---|---|
To: | dbatoCloud Solution <dbatocloud17(at)gmail(dot)com> |
Cc: | pgsql-admin(at)postgresql(dot)org |
Subject: | Re: Increase the size of shared_buffers in AWS RDS 10.11 postgreSQL |
Date: | 2021-01-28 12:48:27 |
Message-ID: | 3602BA76-374D-440E-92E8-AC4AEF1B6E23@gmail.com |
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Thread: | |
Lists: | pgsql-admin |
In general, AWS RDS does not set shared_buffers in a manner similar to the community version. From the AWS documentation, the recommendation is to set it at 75% of the instance’s memory size. So, does the 8Gb that you’re requesting match the 75% recommendation? And if I’m not mistaken about this, you could use the database parameter group to set this to the 8Gb level without using any sort of calculation.
—
Jay
Sent from my iPad
> On Jan 28, 2021, at 7:35 AM, 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?
>
>
>
>
> 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
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