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Date: Fri, 30 Aug 2013 02:49:24 -0700 (PDT)
From: Robert_Burmeister <robert.burmeister@utoledo.edu>
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Subject: Re: Suggest changing dirhash defaults for FreeBSD 9.2.
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Observation relevant to tuning vfs.ufs.dirhash_maxmem:

When swap is in use
dirhash_mem hovers between 10% and 20% of dirhash_maxmem
due to frequent scavenging.

This indicates active dirhash_mem effectively behaves differently during low
memory,
and that the dirhash_reclaimage setting is effectively irrelevant during low
memory.




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