Bug #76588 Metadata lock is NOT released when SELECT completes in case of autocommit=0
Submitted: 3 Apr 2015 12:56 Modified: 7 Apr 2015 15:22
Reporter: Valeriy Kravchuk Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: Locking Severity:S4 (Feature request)
Version:5.5. 5.6.23, 5.7.6 OS:Any
Assigned to: CPU Architecture:Any
Tags: autocommit, Metadata lock, prepare

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: