Release Notes for Zabbix 3.4.0rc2

17 August 2017

Zabbix Team is pleased to announce the availability of Zabbix 3.4.0rc2.

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 http://www.gnu.org/copyleft/gpl.txt.

This document contains the release notes for Zabbix 3.4.0rc2. Download it from download.

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

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New Features and Improvements

ZBXNEXT-2102	Improved performance of event.get() and problem.get() methods with "selectTags" option
ZBXNEXT-3920	Added Templates for some of the most common applications and devices
ZBXNEXT-2102	Implemented dashboard widget linking in both directions
ZBXNEXT-2102	Implemented option 'Show unavailable maps' in navigation tree widget
ZBXNEXT-2102	Added support of new dashboard widgets "Plain text" and "Graph"
ZBXNEXT-2102	Implemented two-direction widget linkage for data sharing; improved active element selection in map navigation tree widget when map is changed from map widget
ZBXNEXT-2102	Implemented validation for empty fields in widget configuration forms
ZBXNEXT-2102	Added placeholder on empty dashboard
ZBXNEXT-3006	Implemented support of bulk metric collection for dependent items data population
ZBXNEXT-3725	Updated templates for network devices to new version (internal version 0.10beta)
ZBXNEXT-2102	Added blinking for recent problems in Problems widget
ZBXNEXT-2102	Implemented additional filters for dashboard widgets
ZBXNEXT-1076	Implemented new permission schema to allow view map when no permissions to all map elements
ZBXNEXT-18	Implemented sending alerts on acknowledges
ZBXNEXT-3910	Added support to the agent for monitoring processes in trace or uninterruptible state on Linux, FreeBSD, OpenBSD and NetBSD
ZBX-12258	Added bulk selections to improve performance in processing of escalations
ZBXNEXT-2102	Added support of multiple dashboards; implemented API for dashboards
ZBXNEXT-1223	Implemented jmx discovery item
ZBXNEXT-2442	Implemented parallel alert processing, removed database watchdog process, moved its tasks to alerter process
ZBXNEXT-3863	Added jsonpath based item pre-processing option
ZBXNEXT-3864	Added xmlpath based item pre-processing option
ZBXNEXT-3930	Improved log monitoring by adjusting formula to process 10 times more new lines than set in MaxLinesPerSecond
ZBXNEXT-1274	Added support of configurable jmx endpoint url for jmx items
ZBXNEXT-3872	Implemented new internal item 'zabbix[host,discovery,interfaces]'
ZBXNEXT-3869	Implemented map lines
ZBXNEXT-1675	Added support for user macros and time unit suffixes in various time-related settings: update intervals, timeouts, housekeeping settings, time periods, etc.
ZBXNEXT-3762	Added browser warning for IE 9 and IE10
ZBXNEXT-3870	Implemented ability to drag multiple selected items in map editor
ZBXNEXT-3655	Reduced self monitoring cache locking in trappers and manager processes
ZBXNEXT-51	Implemented ability to copy and paste map elements
ZBXNEXT-3567	Implemented ability to hide SQL error messages for non-superadmin users
ZBXNEXT-3659	Reduced cache locking time during configuration synchronization
ZBXNEXT-3432	Added support of {HOST.ID}, {HOST.HOST}, {HOST.NAME} macros in tags, improved to read those from cache; added support of interface macros in tags
ZBXNEXT-2074	Implemented URL encoding and punycode support in web monitoring
ZBXNEXT-3687	Made shared memory and semaphores private to the zabbix processes. Dropped SQLite3 support for frontend and server
ZBXNEXT-2694	Implemented multiple triggers support for map elements
ZBXNEXT-2445	Increase the length of alert and trigger errors
ZBXNEXT-2031	Implemented map shapes
ZBXNEXT-34	Implemented vector graphics for maps
ZBXNEXT-936	Implemented remote command execution via proxy
ZBXNEXT-3654	Implemented a feature to apply host group permissions to all existing subgroups
ZBXNEXT-3660	Renamed "IT services" to "Services"
ZBXNEXT-3568	Decreased internal, discovery and auto registration default data storage period to 1 day
ZBXNEXT-3679	Implemented a new design for Dashboard page
ZBXNEXT-3386	Added IPMI manager and reworked IPMI pollers to avoid connecting to one host from multiple pollers
ZBXNEXT-3572	Added option to control amount of queued items
ZBXNEXT-491	Added vfs.dir.size[dir,<regex_incl>,<regex_excl>,<mode>,<max_depth>] check
ZBXNEXT-1380	Added check for exit code of scripts
ZBX-3783	Deprecated mappings.sortorder parameter by iconmap.create() and iconmap.update() methods
ZBXNEXT-1443	Added item pre-processing options
ZBXNEXT-830	Implemented full clone of maps
ZBXNEXT-12	Added support of CIDR subnet mask notations for Server option on agent config
ZBXNEXT-12	Added support of CIDR subnet mask notations for Allowed hosts of trapper items
ZBXNEXT-3576	Increased user media periods and item flexible intervals to 1024 characters
ZBX-3783	Added support of user_medias parameter by user.update() method
ZBX-3783	Prohibited deleting users and user groups which are used in actions
ZBX-3783	Deprecated user.addmedia(), user.updatemedia(), user.deletemedia(), user.updateprofile(), usergroup.massadd(), usergroup.massupdate() and usermedia.get() API methods
ZBXNEXT-1804	Reduced the number of connections required for proxy-server data exchange by adding new 'proxy data' request and increasing the size of data sent
ZBXNEXT-3086	Improved performance of action condition evaluation by ensuring that equivalent conditions are only checked once, thus there will be less queries to database
ZBXNEXT-3570	Removed the deprecated "isReadable" and "isWritable" methods as well as the "proxy.interfaces" parameter
ZBXNEXT-1667	Added support of LLD macros in function parameters of trigger prototype expression
ZBXNEXT-1667	Added support of LLD macros in function parameters when using function with ITEM.VALUE, ITEM.LASTVALUE in trigger prototype name, description and tags
ZBXNEXT-1667	Added support of LLD macros in function parameters of graph prototype name simple macros like {host:key[].func()}
ZBXNEXT-707	Implemented full clone functionality for all types of screens
ZBXNEXT-2970	Increased maximum supported SNMP trapper file size
ZBXNEXT-1141	Added support for AtomicBoolean, AtomicInteger, and AtomicLong to Java gateway
ZBX-10777	Made checkboxes and radio buttons look the same across all browsers
ZBXNEXT-3344	Increased SNMP OID length limitation from 255 to 512 bytes; thanks to Patrick Hemmer for patch
ZBX-9425	Added permission check on the server side for global script execution
ZBXNEXT-3725	Added templates for network devices (internal version 0.8beta)

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Bug Fixes

ZBXNEXT-3883	Fixed dependent trigger with dependent item deletion; dependent item recursion message; dependent item massupdate form master item being reset on error
ZBX-12506	Fixed wrong top position of the period selection box on the graphs after closing/opening filter
ZBX-12486	Fixed item removal from poller queue during configuration cache synchronization
ZBXNEXT-3890	Fixed extra graph loading
ZBXNEXT-3926	Fixed macros {EVENT.STATUS} and {EVENT.VALUE} to return correct value depending on the state of a problem
ZBX-12487	Fixed undefined index error in item prototype update
ZBXNEXT-2102	Fixed several issues in dashboard
ZBX-12505	Fixed Oracle database creation scripts
ZBXNEXT-18	Fixed empty acknowledge operation message tooltip visibility
ZBX-12468	Fixed vertical text alignment for map shapes
ZBX-12418	Fixed draggable rectangle calculation for map shape lines
ZBX-12397	Fixed system.cpu.num count for 64-bit Windows with more than 64 logical cpus
ZBX-12483	Fixed compilation with libevent 2.1.8 and IPC service initialization in proxy
ZBX-12485	Fixed PostgreSQL query errors during sending notifications on acknowledgement
ZBXNEXT-3006	Fixed web scenario item preprocessing
ZBXNEXT-2102	Fixed low performance of navigation tree widget and improved dashboard performance
ZBX-12458	Fixed incorrect use of zbx_strlcat() in DBpatch_3030060_migrate_pairs(); thanks to MATSUDA Daiki for patch
ZBX-12462	Fixed database upgrade patch for proxy
ZBXNEXT-3006	Fixed distribution archive creation (make dist) and log, web scenario item preprocessing
ZBXNEXT-3006	Fixed libevent build depenedencies
ZBX-12446	Fixed discovery and auto registration to accept empty DNS names
ZBXNEXT-2102	Fixed several issues in dashboard
ZBXNEXT-2102	Fixed copying sharing properties when cloning dashboard
ZBXNEXT-18	Fixed unnecessary notification sending a recovery message
ZBXNEXT-18	Fixed acknowledge notification sending in maintenance period
ZBX-12339	Fixed item history and trends flags update during configuration cache synchronization
ZBXNEXT-18	Fixed php5.4 incompatibility in events page and acknowledge operation form
ZBXNEXT-18	Fixed script name select button for new acknowledge operation form and recovery operation form
ZBXNEXT-2102	Fixed multiple issues in Map widget
ZBXNEXT-2102	Fixed Undefined constant: ALERT_MAX_RETRIES in Action log widget
ZBXNEXT-2102	Added check for dashboard owners in user.delete() method
ZBXNEXT-2102	Fixed updating of dashboard with inaccessible elements
ZBXNEXT-2102	Fixed possible sql errors in upgrade patch
ZBXNEXT-2102	Fixed removing of favourites from dashboard widgets
ZBXNEXT-2031	Fixed multiple bugs in maps
ZBX-12384	Fixed JMX endpoint related bugs in item mass update form and item.update API
ZBX-12318	Fixed maintenance status not being updated in cache if host is disabled
ZBX-12224	Fixed connection to Oracle database when database server gives out warnings
ZBX-12195	Fixed contamination of script output with Zabbix'es own log messages when logging level is set to 4 or 5 and LogType=console
ZBX-12270	Fixed processing of AIX item 'system.stat[ent]' in agent; thanks to Marc for patch
ZBX-12277	Fixed trigger expression test form incorrectly replacing macros
ZBX-12357	Fixed missing user macro substitution in expression of newly added triggers
ZBX-12296	Added type hinting for item preprocessor numeric conversions based on item value type
ZBX-12266	Fixed memory leak when executing IPMI commands
ZBX-11938	Fixed 'type of condition' dropdown appearing if only one filter condition is set
ZBX-11530	Fixed lost application name in exported host web scenario
ZBX-12201	Fixed crash when processing SNMP trap log item, fixed log item processing without pre-processing options
ZBX-12199	Removed condition check for recovery operations
ZBX-3924	Switched from POSIX extended to the PCRE regular expression library for enhanced regular expressions and consistency with frontend
ZBX-11867	Fixed memory leak in history cache and history cache statistics
ZBX-11671	Added register information and backtrace to log when metric thread crashes
ZBX-11381	Fixed displaying list of recovery actions in "Problems" and "Event details"
ZBX-11805	Fixed aggregate checks log messages formats
ZBX-11470	Fixed unary minus and prefix extraction for trigger expression references; optimized simple macro and macro function calculation
ZBX-7015	Forced setting UTF-8 character set for connections to Oracle database
ZBX-11371	Prevented executing client side script by changing value of $ZBX_SERVER_NAME from setup.php page
ZBX-5116	Prevented escaping forward slashes while encoding API response to JSON text
ZBX-11036	Fixed server not to synchronize IPMI configuration for new hosts without IPMI

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Installation and Upgrade Notes

Installation

See Zabbix documentation for full details.

Upgrade

Recompile Zabbix binaries and update front-end PHP files. See Zabbix manual for a detailed upgrade procedure.

Commercial support

Zabbix Company provides a full range of Professional Services. We also provide trouble-free Upgrade Service for easy migration from earlier versions of Zabbix. Please Contact sales for pricing and more details.

• Zabbix Enterprise Support
• Zabbix Training
• Zabbix Development Services

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References

Zabbix 3.4 Manual