Bug #56486 Even if "--console" is set the mysqld.err will be generated.
Submitted: 2 Sep 2010 9:35 Modified: 7 Sep 2010 10:26
Reporter: Horst Hunger Email Updates:
Status: Not a Bug Impact on me:
None 
Category:MySQL Server: Options Severity:S3 (Non-critical)
Version:5.1-bugteam OS:Windows (XP)
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: