ZABBIX 1.6.8


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Release Notes

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Riga, 7 December 2009

ZABBIX SIA is proud to announce the availability of ZABBIX 1.6.8.

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

It is recommended to upgrade from previous releases of 1.6.x.

This document contains the release notes for ZABBIX 1.6.8.

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

It is recommended to create the following indexes in order to speed up performance of ZABBIX front-end as well as server side (ignore it if the indexes already exist):

CREATE UNIQUE INDEX history_log_2 on history_log (itemid,id);
CREATE UNIQUE INDEX history_text_2 on history_text (itemid,id);
CREATE INDEX graphs_items_1 on graphs_items (itemid);
CREATE INDEX graphs_items_2 on graphs_items (graphid);
CREATE INDEX services_1 on services (triggerid);

What's New in 1.6.8

No new major features were introduced in this release.

:: Other Improvements and Bug Fixes

  • [ZBX-1408] fixed adding images for postgresql
  • [ZBX-3] remove a comment saying syslog is used until it works
  • [ZBX-1184] fixed support of more than 10 CPU's for system.cpu.util under Linux
  • [ZBX-1365] fixed housekeeper to process trends_uint table
  • [ZBX-1384] fixed memory leak in processing ldap checks
  • [ZBX-1355] fixed possible server crash when receiving invalid data. Thanks to Nicob
  • [ZBX-1031] added more security checks for communication between nodes. Thanks to Nicob
  • [ZBX-1309] fixed input file processing by zabbix_sender (-i option)
  • [ZBX-1284] fixed server crash if using zabbix[queue] check without dbcache
  • [ZBX-1276] fixed import template as template if status tag is after groups tag in xml
  • [ZBX-1150] added refreshing of not supported performance counters

Installation and Upgrade Notes


See ZABBIX Manual for full details.


Recompile ZABBIX binaries and update front-end PHP files, no database patching needed. See ZABBIX Manual for a detailed upgrade procedure. No upgrade of agents required, yet recommended.

Pre-release testing


ZABBIX Server has been tested on the following platforms:

  • Ubuntu Linux, AMD64, kernel 2.6.11, MySQL 4.x
  • Ubuntu Linux, Intel, kernel 2.6.15, MySQL 5.0.22


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. Please contact our sales department for pricing and more details.


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