Bug #78752 Provide documentation on how to estimate range_optimizer memory usage
Submitted: 8 Oct 2015 8:49 Modified: 16 Mar 2016 15:01
Reporter: Simon Mudd (OCA) Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Documentation Severity:S4 (Feature request)
Version:5.7.9 OS:Any
Assigned to: Paul DuBois CPU Architecture:Any
Tags: documentation, memory usage, range_optimizer_max_mem_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:

[23 Oct 2015 9:27] Shane Bester
made a test to measure memory. see next file upload.

Attachment: range_optimizer_memory_vs_number_of_ranges.png (image/png, text), 30.68 KiB.

[23 Oct 2015 9:29] Shane Bester
testcase for printing out memory usage

Attachment: range_memory_usage.sql (application/octet-stream, text), 1.78 KiB.