The error message cannot write to IPC socket: Broken pipe in Zabbix usually indicates that
These processes don't work in isolation; they communicate with one another and with the central Zabbix server/proxy daemon using .
If the cause is “Too many open files,” you need to raise the limit. The best approach is to modify the so the limit persists across restarts: zabbix cannot write to ipc socket broken pipe upd
systemctl daemon-reload systemctl restart zabbix-server
Troubleshooting Zabbix Error: "Cannot write to IPC socket: Broken pipe" The error message cannot write to IPC socket:
If your system handles an exceptionally high volume of metrics, Linux kernel limits for shared memory might be cutting off socket buffers. Validate and adjust sysctl settings if needed:
Here is a breakdown of why this happens, how to fix it, and how to prevent it. Validate and adjust sysctl settings if needed: Here
# View current limits sysctl kernel.shmmax sysctl kernel.shmall Use code with caution.
Use the built-in "Zabbix server" health dashboard or use zabbix_server -R config_cache_reload to see how the system reacts. Look closely at: Data gathering process busy percentage. History syncer process busy percentage. How to Fix the Error 1. Adjust Zabbix Server Configuration