Bug #39990 poor performace of "SHOW VARIABLES"
Submitted: 12 Oct 2008 16:19 Modified: 13 Oct 2008 9:00
Reporter: wang xiaolin Email Updates:
Status: Duplicate Impact on me:
None 
Category:MySQL Server: Information schema Severity:S3 (Non-critical)
Version:5.1.23, 5.1.28 OS:Any
Assigned to: Assigned Account CPU Architecture:Any
Tags: regression

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: