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On Mon, 23 Jun 2014, Bernhard Schmidt wrote:
we run Dovecot 2.2.13 on Debian Wheezy with a couple thousand mailboxes. We have two users that repeatedly trigger an OOM condition with IMAP.
Do those users have mailboxes extra ordinary large or is one message of them extra ordinary large?
Jun 23 12:53:21 lxmhs74 dovecot: imap(USER): Fatal: pool_system_realloc(268435456): Out of memory
this number likely mean 256MB, is one of your memory limits that large? You can see all limits with dovecot -a (note the "-a" instead of "-n"). Memory limits are vsz_limit, IMHO.
I had to increase some vsz_limits, because one particular large message caused an out of memory during LMTP.
Steffen Kaiser -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux)
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