Bug #19553 SQL_CALC_FOUND_ROWS is much slower than COUNT(*)
Submitted: 5 May 2006 0:18 Modified: 14 May 2006 23:45
Reporter: Wade Bowmer Email Updates:
Status: Duplicate Impact on me:
None 
Category:MySQL Server Severity:S4 (Feature request)
Version:5.0.21, 4.0.* OS:Linux (Linux)
Assigned to: CPU Architecture:Any

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: