Zundu! Zabbix 4.0 version will no longer be updated and supported on October 31 this year. We strongly recommend everyone to upgrade!
Table of contents
1 Zabbix version support period
2 Zabbix version release cycle
3 Zabbix 4.0 unique features
4 Attractive Features of Zabbix 5.0
5 Attractive Features of Zabbix 6.0
6 Things to note when upgrading
1
Zabbix version support period
The current latest LTS version of Zabbix is 6.0, released in February 2022. Zabbix 4.0 was released in October 2018 and will no longer be updated until October 31 this year. It is strongly recommended that everyone upgrade. The LTS version has 3 years of full support and 2 years of partial support (limited to severe levels and security issues). Other versions are only supported until the next major version.
2
Zabbix version release cycle
Zabbix releases a major version approximately every 6 months, of which X.0 is the LTS (Long Term Support) version, including 4.0, 5.0, and 6.0.
3
Zabbix 4.0 unique features
Zabbix 4.0 has many unique features, including graphic display and configuration functions, which are summarized as follows:
1. A more beautiful and practical Graph component has been added to the Dashboard.
2. HTTP agent type monitoring items to facilitate obtaining Restful API type interface data
3. Ordinary monitoring items can be used as the parent of monitoring item prototypes, and LLD macros can be applied to preprocessing of monitoring item prototypes.
4. Zabbix Server and Proxy data transmission is compressed by default to reduce bandwidth usage.
5. Support MySQL 8.0
6. Configure label-based permissions for user groups
7. The trigger page displays the status of the trigger (OK/Problem)
8. Get monitoring item data immediately (Execute now)
9. Manually modify the problem severity level
10. Use! Avoid unit conversions
11. Required options are marked with a red asterisk
12. Others
4
Attractive features of Zabbix 5.0
Do you occasionally experience memory overflow when using Zabbix 4.0, causing Zabbix Server service interruption? Do you feel that the MySQL database is under great pressure and lacks data compression, etc. The following introduces the new features of 5.0 compared to 4.0. There must be some features you like.
Zabbix 4.2：
1. Support TimescaleDB, compress data
2. Supports Javascript preprocessing and Prometheus format preprocessing, and the data processing function is more powerful
3. Zabbix Proxy supports preprocessing and shares the preprocessing pressure of Zabbix Server
4. Template and host level labels, label configuration is more flexible
Zabbix 4.4：
1. Zabbix Agent2, supports out-of-box monitoring solutions
2. Webhook alarm media, configure front-end visibility
Zabbix 5.0：
1. Tree-like navigation bar, the UI is more beautiful and fashionable
2. Test monitoring items on the UI for easy testing
3. LLD rules support Override and can be customized
4. Encrypted macro value, more secure
5. The nodata() trigger relies on the availability of Zabbix Proxy to avoid alarm storms due to Zabbix Proxy being offline.
6. Configure the SNMP version on the host interface. There is only one SNMP Agent type monitoring item, making the configuration more convenient.
5
Attractive features of Zabbix 6.0
Are you unable to find a simple and reliable high-availability solution for Zabbix Server? Do you want to configure dynamic thresholds, etc. The following introduces the new features of 6.0 compared to 5.0. There must be some features you like.
Zabbix 5.2：
1. Add a new trend data trigger to use trend data to avoid pulling in a large amount of historical data and affecting overall performance.
2. Role-based access control and more detailed permission control
3. Support Modbus and MQTT, IOT monitoring is available out of the box
4. Support HashiCorp Vault, ciphertext storage is more reliable
Zabbix 5.4：
1. Scheduled reports in PDF format, which can be generated and sent regularly
2. Unify the computable monitoring items and aggregated monitoring items, and strengthen the aggregation function
3. Call Zabbix API through API token to avoid providing user and password
Zabbix 6.0：
1. Native Zabbix Server HA, simple and reliable configuration
2. Add baseline monitoring and anomaly detection, and out-of-the-box dynamic threshold function
3. Increased password strength requirements to meet audit requirements
4. Added TopN host/indicator value/Geomap components to further improve the UI effect
6
Things to note when upgrading
Zabbix is connected to some third-party platforms, other departments call Zabbix API to pull data, there are many Zabbix Proxy, and the amount of Zabbix data is too large. These should not be reasons not to upgrade. Before upgrading, you need to know the differences between Zabbix versions, sort out the related systems (interface calling/called), and make backups. Main things to note:
1. It is not recommended to upgrade directly on the original server unless your monitoring scale is small and you can ensure quick recovery.
Whether the MySQL/MariaDB database storage engine is innodb
2. Make a database backup plan to ensure sufficient disk space to avoid backing up data and causing the space to fill up.
3. Adapt the event platform, work order platform, visualization platform, reporting platform, etc. in advance to avoid discovering incompatibility after the upgrade is completed.
4. Configure maintenance periods in advance or turn off alarms to avoid alarm storms
5. Database version, character set and check set (Zabbix 5.0 check set is utf8_bin, MySQL version 5.7.X-8.0.X; Zabbix 6.0 character set utf8mb4 check set utf8mb4_bin, MySQL version 8.0.X)
6. PHP version (Zabbix 4.0 requires >=5.4.0 and <8.0, Zabbix 5.0 requires >=7.2.0 and <8.0, Zabbix 6.0 requires >=7.2.5 and 8.0-8.2)
7. Zabbix Java Gateway and Zabbix Web Service are enabled on demand
8. Zabbix 5.0 improves the accuracy of floating point numbers, and you need to run the patch package manually.
9. Zabbix 6.0 adds primary keys to all tables, and you need to run the patch package manually.
10. Try to install and configure Zabbix Proxy in advance to reduce service interruption time
11. If the installation path changes, you need to modify the extension script as needed
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Further reading:
Bank Case | Zabbix cross-version upgrade guide, isn’t 4.2-6.0 good?
How to upgrade Zabbix 5.0 to 6.0? Operational documentation
Zabbix6.0 Upgrade Guide-How to upgrade the database simultaneously?
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