Zabbix Cannot Write To Ipc Socket Broken Pipe Upd |work|

# On Zabbix server grep -i "broken pipe" /var/log/zabbix/zabbix_server.log

This is the most common and often the most effective fix.

: This error frequently appears during a server shutdown or after a

Zabbix processes need many file descriptors (sockets, pipes, DB connections). zabbix cannot write to ipc socket broken pipe upd

If you are running a Zabbix Proxy, data travels from the proxy to the Zabbix Server. If the Timeout parameter is too low, the connection will drop before data transfer completes, resulting in IPC socket errors.

one internal Zabbix process (like the main server) tried to communicate with another service (like the preprocessing service ) that had already closed the connection or crashed Most Common Causes & Solutions Operating System File Limits

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 # On Zabbix server grep -i "broken pipe"

This forces Zabbix to recreate all shared memory segments and message queues from scratch.

Increase values gradually (e.g., double each). Restart Zabbix server: systemctl restart zabbix-server .

What (MySQL, PostgreSQL, etc.) are you using? If the Timeout parameter is too low, the

: One of the most frequent causes is reaching the maximum number of open files allowed by the operating system. If Zabbix hits its ulimit , it cannot open new sockets, leading to failures in inter-process communication (IPC).

StartPollers=10 StartPollersUnreachable=5 StartTrappers=20 StartHistoryPollers=5 StartHistorySyncers=5 # Critical for processing