Bug #54200 Deadlock between FLUSH TABLES WITH READ LOCK and DML in 5.5.4
Submitted: 3 Jun 2010 12:13 Modified: 24 Jun 2010 11:08
Reporter: Alexey Stroganov Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Locking Severity:S3 (Non-critical)
Version:5.5.4 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: