Differences

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--- cyrus [2006/03/21 21:24]
a upgrade
+++ cyrus [2012/10/15 11:58] (current)
zagi old revision restored
@@ Line 2: / Line 2: @@
 ===== Configuration =====
-[[http://cyrusimap.web.cmu.edu/twiki/]]
+  * [[http://cyrusimap.web.cmu.edu/twiki/]]
+  * [[cyrus:performance|Performance note]]
 ==== LMTP over quota-reject ====
+without taking mail and chacking over LMTP see:
+   * [[http://article.gmane.org/gmane.mail.exim.user/39609]]
 **''/etc/imapd.conf''**
   # If  enabled,  lmtpd returns a permanent failure code when a user's
@@ Line 12: / Line 18: @@
 -----
 ===== Cyrus 2.1.x to 2.2.x migration (debian) =====
 ''//This is one of the ways to do it.//''
 ==== backup ====
   * stop all cyrus proccesses
@@ Line 24: / Line 32: @@
    su - cyrus -c "/usr/sbin/ctl_mboxlist -d > /tmp/mailboxes-dump.txt"
-  * create a backup of ''/var/lib/cyrus'' just in case everything goes to ***
+  * create a backup of ''/var/lib/cyrus'' just in case everything goes to ..
-==== new version ====
+**Whole Cyrus backup guide**
+  * http://cyrusimap.web.cmu.edu/twiki/bin/view/Cyrus/Backup
+  * [[http://tldp.org/HOWTO/LVM-HOWTO/snapshots_backup.html|Snapshot backups]]
+==== TODO ====
+**TODO**
+===== Cyrus extra =====
+Patches:
+   * [[http://cyrus.brong.fastmail.fm/|FastMail.FM Cyrus Imapd Patches]]
+===== Working with BerkeleyDB =====
+==== Testing performances ====
+in your cyrus dbd dir do:
+   db_stat -m
+==== Twicking DBD settings ====
+**''db/DB_CONFIG''**
+  # Sample BDB configuration file.
+  # Please adjust as necessary!
+  # See http://www.openldap.org/faq/data/cache/893.html for hints and tips
+  # even if you are not using openldap.
+  # cache
+  # use "db4.2_stat -m" to measure cache performance
+  # see http://www.sleepycat.com/docs/api_c/env_set_cachesize.html
+  # syntax: gigabytes_of_cache additional_bytes_of_cache number_of_caches
+  set_cachesize 0 524288 1
+  # buffer size for transaction log
+  # The default of 32Kbytes is too small
+  # see http://www.sleepycat.com/docs/api_c/env_set_lg_bsize.html
+  set_lg_bsize 524288
+  # other options you may be interested in
+  # set_lg_dir: configure a separate directory for the transaction logs
+  # For optimum performance, these should reside on a different disk
+  # see http://www.sleepycat.com/docs/api_c/env_set_lg_dir.html
+  # set_lg_max: configure the maximum size of the transaction log file, in bytes
+  # See http://www.sleepycat.com/docs/api_c/env_set_lg_max.html
+  # Note that lg_max must at least be 4x the size of lg_bsize. The default is 10Mb.
+**''example (2-8GB RAM)''**
+  set_cachesize 2 0 8
+  set_lg_regionmax 268435456
+  set_lg_bsize 67108864
+  set_flags DB_TXN_WRITE_NOSYNC
+**''DB_CONFIG from one of the largest cyrus sites''**
+  set_cachesize 0 2097152 1
+  set_lg_regionmax 2097152
+  set_lg_bsize 2097152
+  set_lg_max 16777216
+  set_tx_max 100
+==== rehasing DB ====
+Stop cyrus server, run **''db_recover -h /var/lib/imap/db''** and start cyrus
+===== Troubleshooting =====
+==== DBERROR db4: 21 lockers ====
+Getting something like this
+   Sep 25 16:39:34 localhost cyrus/lmtp[1544]: DBERROR db4: 558 lockers
+see this: http://www.web-cyradm.org/pipermail/web-cyradm/2003-November/016829.html
-----
+===== Sieve filtering =====
-===== Sieve filtering ======
 ==== Filtering Mailing Lists ====