NB> shared_buffers = 1/16th of total memory
NB> effective_cache_size = 80% of the supposed kernel cache.

I think Sean(?) mentioned this one for FreeBSD (Bash code):

echo "effective_cache_size = $((`sysctl -n vfs.hibufspace` / 8192))"

I've used it for my dedicated servers. Is this calculation correct?


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