Bug #117099 Variable innodb_ddl_buffer_size does not limit memory usage in the first phase of an ALTER TABLE
Submitted: 2 Jan 18:20 Modified: 8 Jan 15:12
Reporter: Leonardo Fernandes Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S2 (Serious)
Version:8.0.40 OS:Any
Assigned to: CPU Architecture:Any

File: Maximum allowed size is 50MB.
Description:
Privacy:

If the data you need to attach is more than 50MB, you should create a compressed archive of the data, split it to 50MB chunks, and upload each of them as a separate attachment.

To split a large file: