templates are now available for out-of-the-box monitoring: Cisco • Cisco UCS Manager SNMP - monitoring of Cisco UCS Manager via SNMP. DELL PowerEdge • DELL PowerEdge R720 by HTTP - monitoring of DELL valuecache - value cache statistics preprocessing - preprocessing manager statistics alerting - alert manager statistics lld - LLD manager statistics locks (since 5.0.5) - list of mutexes snmp_cache_reload The scripts are located under directory misc/init.d. Server process types • alert manager - alert queue manager • alert syncer - alert DB writer • alerter - process for sending notifications • configuration

valuecache - value cache statistics preprocessing - preprocessing manager statistics alerting - alert manager statistics lld - LLD manager statistics locks - list of mutexes secrets_reload Reload secrets The scripts are located under directory misc/init.d. Server process types • alert manager - alert queue manager • alert syncer - alert DB writer • alerter - process for sending notifications • configuration poller for icmpping checks • ipmi manager - IPMI poller manager • ipmi poller - poller for IPMI checks • java poller - poller for Java checks • lld manager - manager process of low-level discovery tasks

in case of Zabbix agent, SNMP, JMX items. Pollers, unreachable pollers, JMX pollers and the IPMI manager would update host availability directly in the database with a separate transaction for each host new availability manager process has been introduced. All processes queue host availability updates to the availability manager and that queue is flushed by the availability manager to the database every templates are now available for out-of-the-box monitoring: Cisco • Cisco UCS Manager SNMP - monitoring of Cisco UCS Manager via SNMP. HP ProLiant • HPE ProLiant BL460 SNMP - monitoring of HPE ProLiant

StartPreprocessors no 1-1000 3 Number of pre-forked instances of preprocessing workers1. The preprocessing manager process is automatically started when a preprocessor worker is started. This parameter is supported pers, proxypollers) together with IPMI manager, SNMP trapper and preprocessing workers can exhaust the per-process file descriptor limit for the preprocessing manager. This will cause Zabbix server to stop proxy- pollers) together with IPMI manager, SNMP trapper and preprocessing workers can exhaust the per-process file descriptor limit for the preprocessing manager. Warning: This will cause Zabbix server

sw.arch 104 • system.sw.os[name|short|full] - default is [name] • system.sw.packages[package,manager,short|full] - default is [all,all,full], package is regexp Inventory overview The details of all kernel threads (float) b - average number of kernel threads placed in the Virtual Memory Manager wait queue (float) memory, - information about the usage of virtual and real memory: packages[,<manager>,] 137 Key Listing of installed packages. Text package - all (default) or a regular expression manager - all (default) or a package manager format - full

be sent. In the new version, parallel processing of alerts is implemented. There is a new alert manager process that can distribute alerts to several ”worker” processes, if needed. Media types are processed Retry interval: • Functionality of the database watchdog process has been merged into the alert manager and the watchdog process itself removed. 6 Improved notifications 6.1 Notification on problem acknowledgement number of IPMI pollers this could easily overloaded BMC controllers. Since Zabbix 3.4, a new IPMI manager process has been added to schedule IPMI checks by IPMI pollers. Now a host is always polled by the

package Install the repository configuration package. This package contains yum (software package manager) configuration files. # rpm -ivh http://repo.zabbix.com/zabbix/3.2/rhel/7/x86_64/zabbix-release-3 configuration package Install the repository configuration package, which contains apt (software package manager) configuration files. Shell commands for Debian 9 (stretch): # wget http://repo.zabbix.com/zabbix/3 configuration package Install the repository configuration package, which contains apt (software package manager) configuration files. Shell commands for Ubuntu 16.04 LTS (xenial): # wget http://repo.zabbix.com/zabbix/3

package Install the repository configuration package. This package contains yum (software package manager) configuration files. # rpm -Uvh https://repo.zabbix.com/zabbix/3.0/rhel/7/x86_64/zabbix-release-3 configuration package Install the repository configuration package, which contains apt (software package manager) configuration files. Shell commands for Debian 10 (buster): # wget https://repo.zabbix.com/zabbix/3 configuration package Install the repository configuration package, which contains apt (software package manager) configuration files. Shell commands for Ubuntu 18.04 LTS (bionic): # wget https://repo.zabbix

for Zabbix server performance, as data from proxies will no longer go through the preprocessing manager, the affected proxies will require more resources than before. 10 Warning: The change affects consisting of a config- urable number of low-level discovery workers and a low-level discovery manager. This change greatly reduces low-level discovery impact on data gathering (poller, trapper processes) start-up/shutdown. The scripts are located under directory misc/init.d. Server process types • alert manager - manager of alerter tasks • alerter - process for sending notifications • configuration syncer - process

start-up/shutdown. The scripts are located under directory misc/init.d. Server process types • alert manager - manager of alerter tasks • alerter - process for sending notifications • configuration syncer - process ipmi manager - IPMI poller manager • ipmi poller - poller for IPMI checks • java poller - poller for Java checks • poller - normal poller for passive checks • preprocessing manager - manager of preprocessing process for collecting internal server statistics • snmp trapper - trapper for SNMP traps • task manager - process for remote execution of tasks requested by other components (e.g. close problem, acknowledge