ZABBIX 1.8.11


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20 March 2012

Zabbix SIA is proud to announce the availability of Zabbix 1.8.11.

Zabbix is an enterprise-class open source distributed monitoring solution. Zabbix is released under the GPL, thus it is free of charge for both commercial and non-commercial use. A complete text of the license is available at

This document contains the release notes for Zabbix 1.8.11. Download it from

This release fixes known issues of Zabbix 1.8.x and introduces new minor features. A nice overview of the new functionality is at

If you are using Zabbix 1.8 with node-based distributed setup, please run the following SQL patch. It should improve performance of configuration syncing a lot.

DROP INDEX node_cksum_1 ON node_cksum;
CREATE INDEX node_cksum_1 on node_cksum (nodeid,cksumtype,tablename,recordid);

DROP INDEX node_cksum_1;
CREATE INDEX node_cksum_1 on node_cksum (nodeid,cksumtype,tablename,recordid);

DROP INDEX node_cksum_1;
CREATE INDEX node_cksum_1 on node_cksum (nodeid,cksumtype,tablename,recordid);

The following sections describe the release in details and provide late-breaking or other information that supplements its main documentation.

What's New in 1.8.11

:: Per-CPU stats under FreeBSD

Added support of per-CPU stats for Zabbix Agent under FreeBSD platform.

:: More useful SNMP error messages

Improved SNMP related error messages.

:: Complete List of Bug Fixes and Improvements included into 1.8.11

  • [ZBX-4718] fixed Graph axis item cloning in host Full Clone
  • [ZBX-3522] fixed errors when insert too long values to user_history and profiles tables
  • [ZBX-4124] fixed template.get to correctly select applications, graphs and triggers; thanks to gescheit
  • [ZBX-4562] fixed meditype.update returning wrong formatted result
  • [ZBX-4721] fixed handling of \u0000 by JSON parser; thanks to Rick Alm
  • [ZBX-4604] added the "change" link for clocks in screen configuration
  • [ZBX-4604] fixed the "change" link not being accessible for graph type screen items in embedded screens
  • [ZBX-4549] fixed nested db transaction error when stopping server
  • [ZBX-4694] fixed possible SQL errors or server crash while processing trends by history syncer
  • [ZBX-4579] fixed incorrect "unknown" values in availability report if no events present
  • [ZBX-4683] fixed timestamps mismatch while sending history data from proxy
  • [ZBX-4140] fixed trigger test functionality for operator '#'
  • [ZBX-4600] fixed trigger dependencies being reset when executing a mass update
  • [ZBX-4604] fixed "screen" type screen item validation
  • [ZBX-4680] fixed minor typo in frontends/php/js/class.rpc.js
  • [ZBX-1298] fixed processing of command line arguments more than 2KB in proc.num and proc.mem checks on Linux
  • [ZBX-4650] fixed possible server crash while processing trigger expressions
  • [ZBX-3688] fixed changing host's availability for dynamic SNMP checks
  • [ZBX-3788] signal handlers changed to reduce probability of process hang on exit
  • [ZBX-4593] fixed "trigger info" type screen item resource validation
  • [ZBX-1555] fixed discovery error message if IPv6 support is not compiled in
  • [ZBX-3992] removed web monitoring items from synchronization of the proxy
  • [ZBX-860] more useful SNMP error messages
  • [ZBX-1787] fixed gradient element rendering if the value exceeds the max Y scale value
  • [ZBX-4612] Unix style exit codes when converting database to DM
  • [ZBX-2679] fixed validation of masks in IP ranges in discovery
  • [ZBX-4333] fixed linking templates with cross template trigger dependencies
  • [ZBX-4333] fixed empty error messages when performing certain actions
  • [ZBX-3262] fixed warning "no AC_LANG_SOURCE call detected in body" raised during compilation
  • [ZBX-4586] fixed items being bound to the wrong applications when cloning to a different host
  • [ZBX-3955] added pop up field name parameter validation
  • [ZBX-4535] fixed build with --as-needed linker flag
  • [ZBX-4564] daemon processes will use default priority, no prioritization on startup
  • [ZBX-4507] added possibility to remove a discovered host from "Discovered hosts" group by action
  • [ZBX-4569] fixed newline at end of file for some upgrade patches
  • [ZBX-4354] fixed validation of a trigger expression
  • [ZBX-1609] added support for all data types in dynamic indexes in SNMP
  • [ZBX-4511] removed the "user_history" table from the list of synchronized tables between nodes
  • [ZBX-4499] fixed upper case error in some browsers while adding user macro
  • [ZBX-4526] fixed processing of string trigger functions if the data contains CR character
  • [ZBX-4073] removed unused TrendCacheSize and CacheUpdateFrequency options from proxy
  • [ZBX-4506] removed unnecessary new line symbol stripping from HTML attributes
  • [ZBX-4525] updated Brazilian Portuguese translation; thanks to Murilo Moreira de Oliveira
  • [ZBX-4468] removed possibility to add multiple value mappings with same name
  • [ZBX-4404] fixed incorrect max value for the MaxHousekeeperDelete option in the default zabbix_server.conf file
  • [ZBX-4337] fixed broken check for existing user macros on host while adding macros to host
  • [ZBX-4461] changed binary path from bin to sbin in FreeBSD initscripts
  • [ZBX-4491,ZBX-4559] updated Japanese translation; thanks to Kodai Terashima
  • [ZBX-4169] fixed filter being reset after timeline is change in Monitoring->Latest data->History for log items
  • [ZBX-3219] changed global script error messages to more user friendly ones
  • [ZBX-4457] updated French translation; thanks to Joseph Bueno
  • [ZBX-3909] fixed link to null on map menu and non-hiding menu in maps
  • [ZBX-4421] added individual CPU statistics on FreeBSD
  • [ZBX-4466] fixed inserting UNKNOWN events with incorrect 'clock' values
  • [ZBX-2802] fixed handling of NodeNoHistory and NodeNoEvents parameters
  • [ZBX-4394] fixed handling of log rotation failure
  • [ZBX-4455] fixed the 'sortorder' field validation in the IT services form
  • [ZBX-4447] fixed object selection in several forms in IE6 and IE7
  • [ZBX-4298] fixed the number of deleted events in the housekeeper deleted data report

Installation and Upgrade Notes


See Zabbix Manual for full details.


Recompile Zabbix binaries and update front-end PHP files. Execute a database patch if migrating from Zabbix 1.6.x. See Zabbix Manual for a detailed upgrade procedure.

Pre-release testing

Zabbix Server

Zabbix Server has been tested on the following platforms:

  • Ubuntu Linux, AMD64, kernel 2.6.11, MySQL 5.x
  • Ubuntu Linux, Intel, kernel 2.6.15, MySQL 5.0.22, PostgreSQL 8.3
  • RedHat EL 5.3, Intel, kernel 2.6.18, Oracle 11gR2
  • Slackware Linux, x86, kernel, MySQL 5.1.x

Zabbix Agents

Zabbix Agents have been compiled and tested on the following platforms:

  • AIX 5.2
  • FreeBSD 4.x, 5.x, 6.x
  • HP-UX 10.x, 11.x
  • Linux 2.4.x, 2.6.x
  • Linux CentOS
  • NetBSD 2.0
  • OS/X 10.2
  • Solaris 8, 9, 10
  • Tru64 5.1B
  • Windows XP, 2000, 2003, 2008, Vista

Note that agents are available pre-compiled from for a limited number of versions and platforms.

Commercial support

Zabbix Company provides a full range of professional services. We also provide trouble-free upgrade service for easy migration from earlier versions to Zabbix 1.8.x. Please contact Sales for pricing and more details.


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