Hi,

during the weekend I upgrade my mail servers from dovecot 2.1.13 to dovecot 2.1.14 (and rebuild dovecot-2.1-pigeonhole-0.3.3).

After upgrade all works fine, but today the load avarage un MXs is doubled.

Mailboxes are in Maildir/ on NFS and I'm using dovecot as LDA and dict quota only for quota usage.

May be a problem with the new version?

This is my configuration:

$ ./configure --prefix=/usr/local/dovecot-2.1 --with-vpopmail --with-mysql --with-bzlib --with-zlib

# cat /usr/local/dovecot-2.1/etc/dovecot/sieve/default.sieve
require ["vnd.dovecot.duplicate", "fileinto", "mailbox"];
if header :contains "X-Spam-Status" "Yes" {
        fileinto "Spam";
}

if header :contains "Subject" "TEST 123"
{
        fileinto "Spam";
}

if duplicate {
        fileinto "Trash";
}

#####################

# 2.1.14: /usr/local/dovecot-2.1/etc/dovecot/dovecot.conf
# OS: Linux 2.6.32-5-amd64 x86_64 Debian 6.0.6
auth_cache_size = 512 k
auth_worker_max_count = 60
default_login_user = nobody
dict {
  acl = mysql:/usr/local/dovecot-2.1/etc/dovecot/dovecot-share-folder.conf
expire = mysql:/usr/local/dovecot-2.1/etc/dovecot/dovecot-dict-sql.conf.ext quota = mysql:/usr/local/dovecot-2.1/etc/dovecot/dovecot-dict-sql.conf.ext
}
disable_plaintext_auth = no
dotlock_use_excl = no
first_valid_gid = 89
first_valid_uid = 89
last_valid_gid = 89
last_valid_uid = 89
lda_mailbox_autocreate = yes
lda_mailbox_autosubscribe = yes
log_path = /var/log/dovecot/dovecot.log
mail_fsync = always
mail_location = maildir:~/Maildir
mail_nfs_index = yes
mail_nfs_storage = yes
mail_plugins = quota acl zlib expire
maildir_very_dirty_syncs = yes
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
mmap_disable = yes
namespace {
  list = children
  location = maildir:%%h/Maildir:INDEX=~/Maildir/shared/%%u
  prefix = shared/%%n/
  separator = /
  subscriptions = no
  type = shared
}
namespace inbox {
  inbox = yes
  location =
  mailbox Drafts {
    auto = subscribe
    special_use = \Drafts
  }
  mailbox Sent {
    auto = subscribe
    special_use = \Sent
  }
  mailbox Spam {
    auto = subscribe
    special_use = \Junk
  }
  mailbox Trash {
    auto = subscribe
    special_use = \Trash
  }
  prefix =
  separator = /
}
passdb {
  args = cache_key=%s%u webmail=192.168.113.215
  driver = vpopmail
}
plugin {
  acl = vfile:/usr/local/dovecot-2.1/etc/dovecot/global-acls:cache_secs=300
  acl_shared_dict = proxy::acl
  expire = Trash
  expire2 = Spam
  expire_dict = proxy::expire
  quota = maildir:UserQuota
  quota2 = dict:User quota::noenforcing:proxy::quota
  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_default = /usr/local/dovecot-2.1/etc/dovecot/sieve/default.sieve
  sieve_dir = ~/sieve
  sieve_extensions = +vnd.dovecot.duplicate
}
protocols = imap pop3 sieve
service auth {
  unix_listener auth-userdb {
    group = vchkpw
    mode = 0660
    user = vpopmail
  }
}
service dict {
  unix_listener dict {
    group = vchkpw
    mode = 0660
    user = vpopmail
  }
}
service imap-login {
  service_count = 0
}
service managesieve-login {
  inet_listener sieve {
    port = 4190
  }
}
service pop3-login {
  service_count = 0
}
service quota-warning {
executable = script /usr/local/dovecot-2.1/etc/dovecot/scripts/quota-warning.sh
  unix_listener quota-warning {
    user = vpopmail
  }
  user = vpopmail
}
ssl_cert = </etc/ssl/certs/wildcard.pem
ssl_key = </etc/ssl/private/wildcard.key
submission_host = localhost
userdb {
  args = quota_template=quota_rule=*:backend=%q
  driver = vpopmail
}
protocol lda {
  log_path = /var/log/dovecot/lda.log
  mail_plugins = quota acl zlib expire sieve
}
protocol imap {
imap_client_workarounds = delay-newmail tb-extra-mailbox-sep tb-lsub-flags
  imap_idle_notify_interval = 29 mins
  mail_max_userip_connections = 18
  mail_plugins = quota acl zlib expire imap_quota imap_acl
}
protocol sieve {
  mail_max_userip_connections = 10
}
protocol pop3 {
  mail_max_userip_connections = 5
  pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
}

Thanks
--
Alessio Cecchi is:
@ ILS -> http://www.linux.it/~alessice/
on LinkedIn -> http://www.linkedin.com/in/alessice
Assistenza Sistemi GNU/Linux -> http://www.cecchi.biz/
@ PLUG -> ex-Presidente, adesso senatore a vita, http://www.prato.linux.it

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