Bug #43848 MySQL looses connection when ROLLBACK TO SAVEPOINT is issued
Submitted: 25 Mar 2009 0:36 Modified: 2 Apr 2009 13:09
Reporter: Hendri Kurniawan Email Updates:
Status: Can't repeat Impact on me:
None 
Category:MySQL Server Severity:S3 (Non-critical)
Version:5.0.67, 4.1.22-max-log OS:Linux (Red Hat)
Assigned to: CPU Architecture:Any
Tags: loose connection, rollback, transaction

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