Zabbix 5.0.12 - Slow latest data open

[xHybrid]

Hello,
i just upgraded to Zabbix 5.0.12 (from 4.0.3) and noticed that the "Latest Data" tab is now loading very slowly.

After some googling i found this (https://www.zabbix.com/forum/zabbix-...nce-upgrade-to...

[pisolux]

Hi,

I'm novice of Zabbix. I have configured my Zabbix server and is perfect, but the notifications email and dashboard are too slow, I wait also 3 minute for a notification of a switch shutdown or a Windows server shutdown.

Anyone have a idea?

Thank you.
...

[zabbixfk]

Hi,

I see the pages which are loading ( dashboard and other UI) very slowly when compared to earlier versions ( i have been using 2.2.12 ). All the pages are taking more than 6-10 seconds to load.
I just checked my server, and load seems fine ( on a 8 core CPU, its not crossing...

[Monitoramento]

I installed the zabbix server and the agent installed on windows machines. after installing the agents I keep getting several times a day the following message:

zabbix agent on is unreachable for 5 minutes on windows server.

Moreover, the network has been very slow. Any...

[outbackjimnt]

Hi all

I am trying to determine if zabbix can be used to identify a potential bandwidth hog down to a specific windows server on our network. At present we use mrtg to determine which part of our wan is slow then log on to the cisco router on that particular segment to enable ip accounting....

[agentguerry]

I am running the latest Zabbix on an HS22 IBM Blade with quad processors and 8 gb of Ram.

The Server handles 169 servers/agents.
I made no changes on the machine since, and all was working well, but today, when I click "monitoring>overview", I never get any data to...