Re: Estimating HugePages Requirements? - Mailing list pgsql-hackers

From Bossart, Nathan
Subject Re: Estimating HugePages Requirements?
Date
Msg-id CEF782DE-D929-4D26-A984-7BE119CAC9F6@amazon.com
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In response to Re: Estimating HugePages Requirements?  (Michael Paquier <michael@paquier.xyz>)
List pgsql-hackers
On 9/7/21, 8:50 PM, "Michael Paquier" <michael@paquier.xyz> wrote:
> Switched the variable name to shared_memory_size_mb for easier
> grepping, moved it to a more correct location with the other read-only
> GUCS, and applied 0002.  Well, 0001 here.

Thanks!  And thanks for cleaning up the small mistake in aa37a43.

> +        This can be used on a running server for most parameters.  However,
> +        the server must be shut down for some runtime-computed parameters
> +        (e.g., <xref linkend="guc-huge-pages-required"/>).
> Perhaps we should add a couple of extra parameters here, like
> shared_memory_size, and perhaps wal_segment_size?  The list does not
> have to be complete, just meaningful enough.

Good idea.

Nathan


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