[Dovecot] Errors on high load

[Allan Cassaro]

On Tue, Sep 16, 2008 at 10:37 AM, Charles Marcus
<CMarcus at media-brokers.com> wrote:
> On 9/16/2008, Allan Cassaro (allan.cassaro at gmail.com) wrote:
>> Hi, always when my server is on high load I saw this errors on logs:
>
> doevecot -n output / version info?

Ouch!
Sorry! I forgot this...

Dovecot: 1.1.3 with LDAP and sieve/managesieve plugin and postfix as
MTA both with virtual users.

dovecot -n

# 1.1.3: /etc/dovecot/dovecot.conf
base_dir: /var/run/dovecot/
protocols: imap imaps managesieve
listen(default): *
listen(imap): *
listen(managesieve): *:2000
disable_plaintext_auth: no
login_dir: /var/run/dovecot//login
login_executable(default): /usr/libexec/dovecot/imap-login
login_executable(imap): /usr/libexec/dovecot/imap-login
login_executable(managesieve): /usr/libexec/dovecot/managesieve-login
login_process_per_connection: no
login_process_size: 512
login_processes_count: 10
login_max_connections: 120
max_mail_processes: 1200
first_valid_uid: 1010
last_valid_uid: 1010
mail_uid: vmail
mail_gid: vmail
mail_location: maildir:~/Maildir
mail_cache_fields: flags, date.sent, date.received, size.virtual, size.physical
mail_cache_min_mail_count: 30
mailbox_idle_check_interval: 10
mail_drop_priv_before_exec: yes
mail_executable(default): /usr/libexec/dovecot/postlogin
mail_executable(imap): /usr/libexec/dovecot/postlogin
mail_executable(managesieve): /usr/libexec/dovecot/managesieve
mail_plugins(default): quota imap_quota acl
mail_plugins(imap): quota imap_quota acl
mail_plugins(managesieve):
mail_plugin_dir(default): /usr/lib/dovecot/imap
mail_plugin_dir(imap): /usr/lib/dovecot/imap
mail_plugin_dir(managesieve): /usr/lib/dovecot/managesieve
managesieve_implementation_string(default): dovecot
managesieve_implementation_string(imap): dovecot
managesieve_implementation_string(managesieve): Dovecot ManageSieve 1.1
sieve_storage(default):
sieve_storage(imap):
sieve_storage(managesieve): ~/sieve
sieve(default):
sieve(imap):
sieve(managesieve): ~/.dovecot.sieve
namespace:
  type: public
  separator: .
  prefix: Compartilhado.
  location: maildir:/home/dovecot-shared:INDEX=~/Maildir/index/compartilhado
  list: yes
  subscriptions: yes
namespace:
  type: private
  separator: .
  prefix: INBOX.
  inbox: yes
  list: yes
  subscriptions: yes
auth default_with_listener:
  mechanisms: plain login
  cache_size: 512
  cache_ttl: 30
  cache_negative_ttl: 0
  passdb:
    driver: ldap
    args: /etc/dovecot/dovecot-ldap.conf
  userdb:
    driver: ldap
    args: /etc/dovecot/dovecot-ldap.conf
  socket:
    type: listen
    client:
      path: /var/spool/postfix/private/auth
      mode: 432
      user: postfix
      group: postfix
    master:
      path: /var/run/dovecot/auth-master
      mode: 384
      user: vmail
      group: vmail
plugin:
  sieve: ~/.dovecot.sieve
  acl: vfile:/etc/dovecot/dovecot-acls
  quota: maildir
  quota_rule: *:storage=50MB
  quota_rule2: Trash:storage=20%%
  quota_rule3: Spam:storage=10%%
  quota_warning: storage=95%% /usr/libexec/dovecot/quota_warning.sh %u 95
  quota_warning2: storage=80%% /usr/libexec/dovecot/quota_warning.sh %u 80
  mail_log_events: delete undelete expunge copy mailbox_delete mailbox_rename
  mail_log_group_events:
  mail_log_fields: uid box msgid size

Regards