Bug #55066 provide status variable to show current myisam_mmap_used
Submitted: 8 Jul 2010 4:39
Reporter: Shane Bester (Platinum Quality Contributor) Email Updates:
Status: Verified Impact on me:
None 
Category:MySQL Server: General Severity:S4 (Feature request)
Version:5.1, 5.5 OS:Any
Assigned to: CPU Architecture:Any
Tags: compressed tables, mmap, myisam_mmap_size

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: