Web Reference: This isn’t really an error, just an indication that InnoDB is using the system’s internal memory allocator instead of its own. The default is yes/1, and is acceptable for production. Nov 28, 2025 · This error occurs when MySQL’s InnoDB storage engine cannot allocate the memory it needs for its buffer pool, leading the service to crash. In this blog, we’ll dive deep into why this happens, how to diagnose it, and step-by-step solutions to fix it. Try reducing the amount of memory used by InnoDB in my.cnf, particularily innodb_buffer_pool_size, and see if that allows MySQL to start. See also the warning towards the bottom on the MySQL InnoDB Configuration page about exceeding 2GB.
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