[Dovecot] Dovecot 2.1.16: Mail server input error: UPDATE-SESSION pop3: stats shrank
Daniel Parthey
daniel.parthey at informatik.tu-chemnitz.de
Wed Apr 17 00:35:19 EEST 2013
Daniel Parthey wrote:
> Timo Sirainen wrote:
> > On 27.11.2012, at 23.47, Daniel Parthey wrote:
> > > Can you fix these strange stats plugin errors please?
> > > These are the only errors regularly occurring in our 2.1.10 logs:
> > >
> > > Nov 27 08:06:54 10.129.3.249 dovecot: stats: Error: Mail server input error: UPDATE-SESSION: stats shrank: mlpath 429 < 622
> > > Nov 27 08:07:06 10.129.3.249 dovecot: stats: Error: Mail server input error: UPDATE-SESSION: stats shrank: mlpath 436 < 622
> >
> > It's strange that I can't figure out how to reproduce this no matter what I do. Could you with latest hg, especially:
> > http://hg.dovecot.org/dovecot-2.1/rev/c81f1ca3cda6
> > and also the attached patch, which simplifies the stats plugin?
>
> Yes, version 2.1.13 plus the simplification patch fixes the problem.
> Please apply :)
Version 2.1.16 logs the following error:
Apr 16 18:07:58 10.129.3.249 dovecot: stats: Error: Mail server input error: UPDATE-SESSION user1 at example.org pop3: stats shrank: mlpath 1 < 2
Apr 16 18:46:44 10.129.3.233 dovecot: stats: Error: Mail server input error: UPDATE-SESSION user2 at example.org pop3: stats shrank: mlpath 3 < 4
Were there any reasons NOT to apply stats.diff the 2.1.x branch or did you simply overlook my mail?
Regards
Daniel
--
https://plus.google.com/103021802792276734820
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# 2.1.16: /etc/dovecot/dovecot.conf
# OS: Linux 2.6.32-46-server x86_64 Ubuntu 10.04.4 LTS
auth_cache_negative_ttl = 0
auth_cache_size = 10 M
auth_cache_ttl = 1 mins
auth_verbose = yes
auth_verbose_passwords = sha1
deliver_log_format = mailbox: deliver: session=<%{session}> msgid=%m from=%f: %$
dict {
quota = mysql:/etc/dovecot/conf.d/dovecot-dict-sql.conf.ext
}
disable_plaintext_auth = no
doveadm_password = xxx
imapc_features = rfc822.size
imapc_host = local-mailbox
imapc_port = 18143
instance_name = dovecot-mailbox
lda_mailbox_autocreate = yes
lda_mailbox_autosubscribe = yes
login_greeting = Mailbox
login_log_format = mailbox: login: %$: %s
login_trusted_networks = 10.129.3.0/24
mail_debug = yes
mail_fsync = always
mail_gid = vmail
mail_home = /mail/dovecot/%d/%n
mail_location = mdbox:~/mail
mail_log_prefix = "mailbox: mail: %s(%u): <%{session}>: "
mail_plugins = quota stats
mail_privileged_group = vmail
mail_uid = vmail
managesieve_implementation_string = Sieve
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 vnd.dovecot.duplicate
mdbox_rotate_interval = 1 weeks
mdbox_rotate_size = 50 M
mmap_disable = yes
namespace {
inbox = yes
location =
mailbox Archives {
special_use = \Archive
}
mailbox Drafts {
special_use = \Drafts
}
mailbox Junk {
special_use = \Junk
}
mailbox Sent {
special_use = \Sent
}
mailbox Trash {
special_use = \Trash
}
prefix =
separator = /
type = private
}
passdb {
args = /etc/dovecot/conf.d/dovecot-sql.conf.ext
driver = sql
}
plugin {
quota = dict:User quota::proxy::quota
quota_rule = *:storage=10G
quota_rule2 = Trash:storage=+100M
quota_warning = storage=95%% quota-warning 95 %u
quota_warning2 = storage=80%% quota-warning 80 %u
sieve = ~/.dovecot.sieve
sieve_dir = ~/sieve
sieve_extensions = +vnd.dovecot.duplicate
stats_refresh = 30 secs
stats_track_cmds = yes
}
protocols = imap pop3 lmtp sieve
service auth {
unix_listener auth-userdb {
group = dovecot
user = dovecot
}
}
service dict {
unix_listener dict {
group = vmail
mode = 0660
}
}
service doveadm {
inet_listener doveadm-server {
port = 19000
}
}
service imap-login {
inet_listener imap {
port = 19143
}
}
service imap-postlogin {
executable = script-login /usr/local/bin/dovecot-postlogin
user = $default_internal_user
}
service imap {
executable = imap imap-postlogin
}
service lmtp {
inet_listener lmtp-without-quota {
address = *
port = 19025
}
inet_listener lmtp {
address = *
port = 19024
}
}
service managesieve-login {
inet_listener sieve {
port = 19200
}
}
service pop3-login {
inet_listener pop3 {
port = 19110
}
}
service pop3-postlogin {
executable = script-login /usr/local/bin/dovecot-postlogin
user = $default_internal_user
}
service pop3 {
executable = pop3 pop3-postlogin
}
service quota-warning {
executable = script /usr/local/bin/quota-warning
extra_groups = dovecot
unix_listener quota-warning {
user = vmail
}
user = vmail
}
service stats {
fifo_listener stats-mail {
mode = 0600
user = vmail
}
}
ssl = no
syslog_facility = local1
userdb {
driver = prefetch
}
userdb {
args = /etc/dovecot/conf.d/dovecot-sql.conf.ext
driver = sql
}
verbose_proctitle = yes
protocol imap {
imap_client_workarounds = delay-newmail tb-extra-mailbox-sep
mail_plugins = quota stats imap_quota imap_stats
}
protocol lmtp {
mail_plugins = quota stats sieve
}
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# 2.1.16: /etc/dovecot-director/dovecot-director.conf
# OS: Linux 2.6.32-46-server x86_64 Ubuntu 10.04.4 LTS
auth_verbose = yes
auth_verbose_passwords = sha1
base_dir = /var/run/dovecot-director
deliver_log_format = director: deliver: session=<%{session}> msgid=%m from=%f: %$
director_doveadm_port = 20000
director_mail_servers = 10.129.3.193 10.129.3.192 10.129.3.191 10.129.3.190
director_servers = 10.129.3.193 10.129.3.192 10.129.3.191 10.129.3.190
director_user_expire = 2 days
disable_plaintext_auth = no
doveadm_password = xxx
doveadm_proxy_port = 19000
instance_name = dovecot-director
lmtp_proxy = yes
login_greeting = Mail Balancer
login_log_format = director: login: %$: %s
login_trusted_networks = 10.129.3.0/24
mail_debug = yes
mail_fsync = always
mail_gid = vmail
mail_home = /mail/dovecot/%d/%n
mail_location = mdbox:~/mail
mail_log_prefix = "director: mail: %s(%u): <%{session}>: "
mail_max_userip_connections = 20
mail_privileged_group = vmail
mail_uid = vmail
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
mmap_disable = yes
passdb {
args = /etc/dovecot-director/conf.d/dovecot-sql.conf.ext
driver = sql
}
protocols = imap pop3 lmtp sieve
service auth {
unix_listener auth-userdb {
user = dovecot
}
}
service director {
fifo_listener login/proxy-notify {
mode = 0666
}
inet_listener {
port = 9090
}
unix_listener director-userdb {
mode = 0600
}
unix_listener login/director {
mode = 0666
}
}
service doveadm {
executable = doveadm-server director
inet_listener doveadm-server {
port = 20000
}
}
service imap-login {
executable = imap-login director
inet_listener imap {
port = 20143
}
inet_listener imaps {
port = 20993
ssl = yes
}
}
service ipc {
unix_listener ipc {
user = dovecot
}
}
service lmtp {
inet_listener lmtp-without-quota {
address = *
port = 20025
}
inet_listener lmtp {
address = *
port = 20024
}
}
service managesieve-login {
executable = managesieve-login director
inet_listener sieve {
port = 20200
}
}
service pop3-login {
executable = pop3-login director
inet_listener pop3 {
port = 20110
}
inet_listener pop3s {
port = 20995
ssl = yes
}
}
ssl_cert = </etc/certs/wildcard.crt
ssl_key = </etc/certs/wildcard.key
syslog_facility = local2
userdb {
driver = prefetch
}
userdb {
args = /etc/dovecot-director/conf.d/dovecot-sql.conf.ext
driver = sql
}
verbose_proctitle = yes
protocol lmtp {
auth_socket_path = director-userdb
}
protocol sieve {
auth_socket_path = director-userdb
}
protocol doveadm {
auth_socket_path = director-userdb
}
protocol imap {
imap_client_workarounds = delay-newmail tb-extra-mailbox-sep
}
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