Run su - zabbix -c 'ulimit -aHS' -s '/bin/bash' | grep open to see current limits.
Resolving this error requires a holistic approach to performance tuning. zabbix cannot write to ipc socket broken pipe upd
: Check your zabbix_server.log for accompanying errors like failed to open log file: [24] Too many open files . Run su - zabbix -c 'ulimit -aHS' -s
