Bug #41890 Falcon: New execution plans with MRR cause slowdown for group of queries
Submitted: 5 Jan 2009 22:53 Modified: 23 Apr 2009 1:21
Reporter: Alexey Stroganov Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Optimizer Severity:S3 (Non-critical)
Version:6.0.9-release OS:Any
Assigned to: Sergey Petrunya CPU Architecture:Any
Tags: F_SERVER

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:

[5 Jan 2009 22:54] Alexey Stroganov
Helper script for the issue

Attachment: bug-falcon_mrr.pl (application/octet-stream, text), 1.61 KiB.

[14 Jan 2009 13:21] Alexey Stroganov
Updated test case for the issue

Attachment: bug_select_mrr_41980.pl (application/octet-stream, text), 9.42 KiB.