Bug #53305 Duplicate weedout + join buffer (join cache level=7,8) loses rows
Submitted: 30 Apr 2010 9:23 Modified: 23 Nov 2010 3:29
Reporter: Guilhem Bichot Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S3 (Non-critical)
Version:6.0-codebase-bugfixing OS:Any
Assigned to: Guilhem Bichot CPU Architecture:Any
Tags: join_cache_level, optimizer_switch, semijoin

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: