If the reading process (consumer) cannot consume data fast enough to clear the buffer, the operating system may close the socket to prevent a deadlock, resulting in a broken pipe.
for internal cache settings. If your "Configuration Cache" or "History Cache" is full, the server may stall. You can view these stats via the Zabbix dashboard (System Information widget). Increase Timeout : Slightly increase the
To resolve the "cannot write to IPC socket: broken pipe" error, follow these step-by-step troubleshooting guides:
: This error is commonly reported after migrating or upgrading to Zabbix 6.0 or 7.0. It can sometimes stem from version mismatches between the Zabbix Agent 2 and its underlying plugin support packages. Troubleshooting and Resolution Steps cannot write to IPC socket: Broken pipe - ZABBIX Forums zabbix cannot write to ipc socket broken pipe upd
Here is a breakdown of why this happens, how to fix it, and how to prevent it.
crashes or is killed due to high load, any other process trying to send data to it will receive a "Broken pipe" error. zabbix_server.log
If the error appears under high load—particularly during large network discovery or proxy activity—you may need to adjust Zabbix’s internal parameters: If the reading process (consumer) cannot consume data
systemctl start zabbix-server
On server:
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: View current system limits for shared memory and semaphores. 4. Network & External Scripts
sudo systemctl restart zabbix-agent sudo systemctl status zabbix-agent # verify no startup errors