mfs/ramdisk performance issues
cswiger at mac.com
Wed Jun 18 10:35:16 PDT 2003
Forrest Aldrich wrote:
[ ... ]
> In a mail gateway configuration, several people have suggested that
> using a tmpfs (or mfs, depending upon your flavor of Unix) would provide
> a performance increase (i/o). Though someone argued (on a list
> posting) that the buffering on normal disk operation would probably be
I'm not sure about "better", but certainly "safer". What happens to spooled
mail on a tmpfs/mfs filesystem when the system goes down?
Anyway, most mail servers are limited by network bandwidth, not by local I/O
performance. If you're not talking about hundreds of thousands of messages per
day, you probably don't need to worry about performance tuning this aspect.
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