January 2019
Intermediate to advanced
798 pages
20h 33m
English
Content preview from Zabbix 4 Network Monitoring - Third Edition
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Gathering data during the upgrade
The database upgrade process can be very quick but, in some cases, it can also take quite some time. It might be required to keep gathering data even during the Zabbix upgrade, but how can we achieve that if the monitoring doesn't resume until the upgrade is finished?
Remember the additional Zabbix process, the proxy? It's able to gather data and buffer it for sending to the Zabbix server, so no data was lost even if the server was down for some time, which sounds pretty much like our situation. If all of your actual monitoring is already done by Zabbix proxies, you're already on the right track.
If you have items that're polled directly by server, you might want to set up a temporary proxy installation, ...
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