My Oracle Support Banner

MySQL Error Log Contains "InnoDB: Warning: A Long Semaphore Wait" and "Starts InnoDB Monitor for 30 secs to print diagnostic info" (Doc ID 1452692.1)

Last updated on OCTOBER 01, 2024

Applies to:

MySQL Server - Version 4.0 and later
Information in this document applies to any platform.

Symptoms

 MySQL error log contains "InnoDB: Warning: A Long Semaphore Wait" and "Starts InnoDB Monitor for 30 secs to print diagnostic info" followed by InnoDB monitor/status output.

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.