Re: nmbclusters on amd64

[mlelstv%serpens.de@localhost (Michael van Elst)]

netbsd%precedence.co.uk@localhost (Stephen Borrill) writes:

>Machine in question has 16GB RAM and is running amd64.

You said i386.


>Reading further, it 
>looks like setting NMBCLUSTERS in netbsd-7 as a compile-time 
>option is only capable of limiting the number which is generally 
>counterproductive:

If the default is 25% of RAM (4GB) it's not really an issue.
Your intentional limit of 32768 clusters is just 64MB, you can
raise that a lot until you reach the real limit.


>Perhaps this should have been MAX(max_size, NMBCLUSTERS) which makes more 
>sense to me.

The value needs to be clamped to something useful. 25% of RAM isn't bad.
AIX limits network buffers to 50% of RAM ("the wall").

-- 
-- 
                                Michael van Elst
Internet: mlelstv%serpens.de@localhost
                                "A potential Snark may lurk in every tree."