Zabbix Cannot Write To Ipc Socket Broken Pipe Upd Info

Increase the number of preprocessing workers in zabbix_server.conf :

– temporarily comment out others, test one by one.

Modern Zabbix relies heavily on between its internal processes. Specifically, this mechanism is used to pass collected values from data gatherers—such as pollers, trappers, and discovery workers—to the preprocessing manager and its worker processes. In other words, every metric that goes through preprocessing (which is most of them) travels over an IPC socket.

If custom JavaScript or external verification takes too long, raise the core execution time limit within the same configuration file: Timeout=4 Use code with caution. 3. Shared Memory Allocation Flaws zabbix cannot write to ipc socket broken pipe upd

A passive process that receives data pushed to it (like active agent checks or Zabbix sender data).

If the Zabbix database is locked or slow, the server process might hang. When the frontend waits too long for the server to process a request, the socket connection times out and "breaks." Check for long-running SQL queries. Ensure the database has enough connections available. Common Fixes Increase Timeout Settings

If the error occurs immediately after a config change, restart the server to ensure all IPC sockets are re-initialized: systemctl restart zabbix-server Use code with caution. 4. Summary Table Likely Cause Cache full (History/Value) Increase HistoryCacheSize or ValueCacheSize . Error + "Too many open files" Low ulimit settings Increase nofile in /etc/security/limits.conf . Error during HA failover Process crash Check for database corruption/deadlocks. Error + High CPU/Wait Slow Database Optimize MySQL/PostgreSQL; add more Syncers. If you are still having trouble, In other words, every metric that goes through

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:

To help narrow down the exact configuration fix, could you share a few more details? What are you running?

#!/usr/bin/env python3 import sys try: import requests resp = requests.get('http://localhost/metric', timeout=2) print(resp.text) except Exception as e: print(f"ZBX_NOTSUPPORTED: e") sys.exit(1) Shared Memory Allocation Flaws A passive process that

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If you have chosen to ignore the Zabbix recommendation and you also use the zabbix account to log into the system via SSH or a console, then when you log out, systemd will remove those IPC objects. Because Zabbix daemons rely on these objects for internal communication, their sudden disappearance can cause one or more Zabbix processes to crash, leaving other processes with a broken pipe.

HistoryCacheSize=16M # Increase as needed (e.g., 64M, 128M) ValueCacheSize=32M # Increase as needed (e.g., 128M) Use code with caution. B. Increase history syncer Processes