Blocker My Zabbix Notifications gone wild, because all my items started flapping between "Not Supported" and "Normal".
After pinpointing the problem, I've seen that there are too many open file descriptors on all my zabbix agents:
open file descriptors
root@moros:~# lsof | grep zabbix | wc -l 3184 root@moros:~# lsof | grep zabbix | more ... zabbix_ag 1946 zabbix 68u sock 0,7 0t0 603651 can't identify protocol zabbix_ag 1946 zabbix 69u sock 0,7 0t0 614876 can't identify protocol zabbix_ag 1946 zabbix 70u sock 0,7 0t0 619853 can't identify protocol zabbix_ag 1946 zabbix 71u sock 0,7 0t0 631084 can't identify protocol zabbix_ag 1946 zabbix 72u sock 0,7 0t0 642314 can't identify protocol ...
I'm using *Zabbix Agent 2.4.3-1* on Debian 7.7:
root@moros:~# lsb_release -ds Debian GNU/Linux 7.7 (wheezy) root@moros:~# dpkg -l zabbix-agent Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-==================================================-==============================-==============================-========================================================================================================== ii zabbix-agent 1:2.4.3-1+wheezy amd64 network monitoring solution - agent
I'm using a *Zabbix MySQL Proxy version 2.4.3-1* as well on Debian 7.7.
The *Server is version 2.4.3-1* and is also running on Debian 7.7.
That never happened before / in the older versions.