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XenForo Add-on Optimized List Queries by Xon 2.8.0

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Optimized List Queries by Xon
Compatible XF Versions
  1. 2.0
  2. 2.1
  3. 2.2
Visible Branding
No
Please notice that this addon requires Standard Library by Xon 1.7.0+!

This add-on is aimed at large forum with tens of thousands to hundreds of thousands or more threads in a single forum. Smaller forum do not gain much benefit from this add-on.

Member List/Forum/Conversation/Reactions/XFMG lists:


MySQL/MariaDB implements 'early row lookup', when combined with LIMIT & OFFSET with a large offset, results in the large select statement pulling in more data than is required. Maybe one day MySQL/MariaDB will fix this. Maybe.

This causes an issue as this how conversations and threads implement paging.

This addon provides some optimized query for getting threads in a forum with large number of threads, or for conversations with a very high page count.

Ideally conversations would implement the position system like posts do, which would be even faster than using sub-selects to force 'late row lookup'.

For more information see:
Configuration
Under "Performance":
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  • 1604830414662.png
    1604830414662.png
    72.9 KB · Views: 3
Author
zaldo
Downloads
0
Views
41
First release
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