Bug #30286 spatial index cause corruption and server crash!
Submitted: 7 Aug 2007 21:32 Modified: 5 Nov 2007 2:52
Reporter: Shane Bester (Platinum Quality Contributor) Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: MyISAM storage engine Severity:S1 (Critical)
Version:5.0.45, 5.0.48BK, 5.1.21 OS:Any
Assigned to: Alexey Botchkov CPU Architecture:Any
Tags: corruption, crash, myisam, rtree, spatial

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: