Every so often recently I've seen the load on my heavily under-used
dovecot server (1 mailbox) rise up to 1
A top shows imap-login to causing the issue.
I have checked /var/log/secure, /var/log/maillog, /var/log/messages and
cannot see anything unusual.
Anybody else seen something like this?
# 2.2.5: /etc/dovecot/dovecot.conf
# OS: Linux 2.6.32-358.14.1.el6.x86_64 x86_64 CentOS release 6.4 (Final)
listen = *
mail_location = maildir:~/.Maildir
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope
encoded-character vacation subaddress comparator-i;ascii-numeric
relational regex imap4flags copy include variables body enotify
environment mailbox date ihave
mbox_write_locks = fcntl
namespace inbox {
inbox = yes
location mailbox Drafts {
special_use = \Drafts
}
mailbox Junk {
special_use = \Junk
}
mailbox Sent {
special_use = \Sent
}
mailbox "Sent Messages" {
special_use = \Sent
}
mailbox Trash {
special_use = \Trash
}
prefix }
passdb {
driver = pam
}
plugin {
sieve = ~/.dovecot.sieve
sieve_dir = ~/.sieve
}
protocols = imap
service imap {
process_limit = 2048
}
ssl_cert = </etc/pki/dovecot/certs/imap.crt
ssl_key = </etc/pki/dovecot/private/imap.key
userdb {
driver = passwd
}
protocol lmtp {
mail_plugins = sieve $mail_plugins
}
protocol lda {
mail_plugins = sieve
}
protocol imap {
mail_max_userip_connections = 50
}
--
Regards,
Giles Coochey, CCNP, CCNA, CCNAS
NetSecSpec Ltd
+44 (0) 8444 780677
+44 (0) 7983 877438
http://www.coochey.net
http://www.netsecspec.co.uk
giles at coochey.net
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