Zabbix Server Out of Memory

Do you have a crashing Zabbix Server and looking through the log /var/log/zabbix/zabbix_server.log you see the following out of memory message?

__mem_malloc: skipped 0 asked 24 skip_min 18446744073709551615 skip_max 0
[file:dbconfig.c,line:94] __zbx_mem_realloc(): out of memory (requested 16 bytes)
[file:dbconfig.c,line:94] __zbx_mem_realloc(): please increase CacheSize configuration parameter

Besides the clear solution to the error, that's a common issue on servers that have a few monitoring items on it (servers, switches, firewalls, databases, etc...). To solve, go to your zabbix_server.conf and look for the CacheSize property and set it to a higher value. Its default should be 8M. At a customer that has somewhere between 4 servers, 7 firewalls/appliances, and a few other things, a 32M did the job, but you can set up to 8G.

See ya folks.


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