Zabbix Cannot Write To Ipc Socket Broken Pipe Upd May 2026

"cannot write to IPC socket: Broken pipe"

The error in Zabbix typically indicates that a Zabbix process (like the server or proxy) tried to communicate with a child service (like the preprocessing service ) but found that the receiving end of the socket was already closed . Primary Cause: Too Many Open Files

Service Crashes:

If a specific service (e.g., zabbix_preprocessing ) crashes or is killed by the OS (such as by the OOM killer), other processes trying to send it data will receive a "Broken pipe" error. zabbix cannot write to ipc socket broken pipe upd

Check your current configuration:

After DB tuning, restart Zabbix server.