Hi
Wil Cooley wrote:
On Tue, 2005-11-22 at 00:06 -0300, Carlos Horowicz wrote:
The process size of imapd, pop3d or lmtpd is between 60 and 100M , with
resident size of only between 5 or 10M. I tried changing
berkeley_cachesize , and the type of mailboxes.db (skiplist and
berkeley) but nothing changed.
DOes anybody have any suggestion on how to reduce the process size of
imapd ?
Understand that the mapped virtual memory represents files that are
mmap()'d into memory (likely most are part of the database files), but
the pages are not necessarily loaded into memory until they're read.
I'd guess the bulk of the memory in your RSS (resident size set; the
physical memory that's actually used) are the per-mailbox database
header cache files (and possibly the squat indexes). Do you use
squatter?
No, I don't.
Interesting that pop3d, imapd and lmtpd all show the same footprint, and
differ in a couple of megabytes in the resident size.
I've also set a limit into postfix to restrict the number concurrent
delivery processes (done by /usr/local/cyrus/bin/deliver -m user) , as
this generates also a lot of disk activity and might make them live too
long in memory.
-Carlos
Wil
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