Bug #68869 InnoDB's thread concurrency tickets might be released after a row is read
Submitted: 4 Apr 2013 23:50 Modified: 15 May 2013 20:51
Reporter: Davi Arnaut (OCA) Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: InnoDB storage engine Severity:S3 (Non-critical)
Version:5.5.30, 5.6 OS:Any
Assigned to: CPU Architecture:Any
Tags: concurrency tickets, innodb, thread concurrency

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: