ZABBIX 1.6.3 released

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    ZABBIX 1.6.3 released

    ZABBIX SIA is proud to announce the availability of ZABBIX 1.6.3.

    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 highly recommended to upgrade from 1.6, 1.6.1 and 1.6.2.

    This document contains the release notes for ZABBIX 1.6.3.

    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:

    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_2 on graphs_items (graphid);
    What's New in 1.6.3

    :: Dynamic Menu

    The main menu is made dynamic in order to simplify switching from one screen to another.

    :: New Supported Checks

    Added support of under FreeBSD. Also added support of <mode> for system.cpu.util under Solaris. Linux agent supports iowait,interrupt,softirq and steal for system.cpu.util.

    :: Much Faster Dynamic SNMP Indexes

    Added caching of dynamic SNMP indexes, which makes execution of complex SNMP checks much faster. The development work was sponsored by XS4ALL, the best ISP in the Netherlands!

    :: Flexible Configuration of Default Dropdown Behaviour

    New defines ZBX_DROPDOWN_FIRST_ENTRY and ZBX_DROPDOWN_FIRST_REMEMBER in file include/ can be used to change what dropdown entry is selected by default and if ZABBIX front-end should remember older selection. This can be very useful for large ZABBIX installations.

    :: Other Improvements and Bug Fixes
    • improved item template-update
    • added support of text items for functions str, regexp and iregexp
    • "Cannot open Json object" message replaced with a better one in agent log
    • trailing newline added in the end of exported xml
    • when graph shows current time values, ">>" character is shown near end time
    • events duration now counts weeks instead of months, small GUI typos fix
    • Distributed monitoring: added update of Last check and Last value fields
    • historical data is now available for "not supported" items
    • added host name of deppended trigger
    • default autologout time is set to 900
    • improved performance of processing of log and text items
    • details box is open by default if any error occured
    • the behaviour of the agent's key "vfs.fs.size" improved to be similar to the "df" command
    • added entity counts on interfaces
    • improved queries in "Graphs" page
    • the purpose of the configuration parameter StartAgents precised
    • added new default user group "Disabled"
    • improved {ESC.HISTORY} macro in recovery notifications
    • expanded details box added for triggers copying messages
    • added tooltip in "status of ZABBIX" report for number of items and triggers parameter
    • allowed processing of non-agent based checks for unreachable hosts
    • added Polish locale
    • improved performance of the graph related screen due to missing index
    • fixed month representation in seconds in most busy triggers report
    • fixed bad performance of the string functions - added two database indexes
    • fixed Windows agent crash when using incorrect third parameter in proc_info metric
    • fixed memory leak while processing proc.num metric under Win2008
    • fixed data loss of text values processed by proxy
    • fixed problem with lost actions when upgrading database to 1.6.x
    • fixed "System status" cell colors with 0 active triggers
    • fixed hosts massupdate with "new group" and "use profile"
    • fixed problem with adding the graphs on an autodiscovered hosts
    • fixed SQL error when try to activate auto-login in profile
    • fixed SQL error on login screen when postgre is used, small GUI typos fix
    • Distributed monitoring: PosrgeSQL related fixes
    • Distributed monitoring: fixed deadlocks
    • fixed server memory leak in processing remote commands in actions
    • fixed error when try to remove trigger comment
    • fixed undefined argument on graph delete
    • changed disabled auto-logout indication
    • added extension to hosts when importing graph to template
    • display correct error message if file import fails
    • fixed zabbix server status when frontend and backend are on different servers
    • fixed screen clock set to server time showed local time
    • fixed min autologout value to 90 seconds
    • fixed wrong aggregate graph drawing
    • fixed template linkage not working properly
    • fixed incorrect processing of net.tcp.listen
    • fixed "invalid URL" when use small popup menus like ping etc
    • fixed "invalid URL" when add user to user group
    • fixed problem with "Too many open files" by agent under Solaris 2.5, 2.6
    • fixed displaying "no status update" error for template triggers
    • fixed processing of existing data when -n parameter is used for zabbix_server
    • fixed "Undefined index error" during frontend installation
    • fixed filter in audit filtering only logs
    • fixed evaluation of {ITEM.LASTVALUE} if the trigger expression consists of several items
    • fixed wrong action count in audit log
    • fixed resetting of web graph periods
    • fixed possible Windows agent crash when processing eventlog[]
    • fixed Wrong URL when add rights to user group
    • edited file to make some error messages more sensible
    • corrected some typos in misc/conf/zabbix_server.conf
    • corrected some typos in test/env/standalone/conf/template_server.conf
    • fixed processing of four-character-long item keys
    • trigger description in "Last 20 issues" is link to the URL defined in trigger parameters + minor GUI typos fix
    • fixed SNMP-related compilation problem with undefined 'localname' under some platforms
    • fixed web graphs start time not changing
    • fixed recursion detection in Include directive for config files
    • fixed minor GUI text errors
    • fixed wrong caption for graph item editing form
    • all templates linked to group Templates in default config
    • fixed "Invalid URL" error when choose History from history submenu
    • fixed "values per second" having too many decimal places
    • fixed duplicating entries in hosts groups after import
    • improved item graph exporting
    • fixed simple/advanced item filter switch
    • fixed sql error when filter items by host group
    • fixed element validation in sysmap elements
    • fixed audit log record for graph update action "added" -> "updated"
    • fixed possible server crash when using {TRIGGER.NAME} for notifications
    • fixed PostgreSQL errors with out of range string data
    • fixed import of triggers with {HOSTNAME} macro
    • fixed handling of -c parameter in zabbix_sender. Thanks to Jakov Sosic
    • fixed timeout handling for SNMP connect
    • fixed memory leak if trigger evaluation fails
    • removed "Step" field for recovery messages from Event details
    • fixed login while entering any page with HTTP auth enabled
    • default number of HTTP pollers was decreased to one
    • fixed sql problem with deletion of many hosts
    • fixed wrong result of function "nodata" after server restart
    • removed net-snmp debug messages from server logs
    • fixed support of quotation marks in command in UserParameter's
    • fixed deadlocks in dbcache module
    • added define for menu caching
    • fixed latest data auto-refresh cripples filter viewing issue
    • fixed warning zbx_malloc: allocating already allocated memory in json.c
    • fixed frontend vulnerabilities
    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

    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

    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.

    Alexei Vladishev
    Creator of Zabbix, Product manager
    New York | Tokyo | Riga
    My Twitter


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