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  1. b2evolution CMS User Manual
  2. Glossary
  3. Technical vocabulary
  4. Prerendering Cache

Prerendering Cache

The prerendering cache or Prerendered Cache is a DB cache that is available for:

  • Items : table evo_items__prerendering
  • Comments : table evo_comments__prerendering
  • Private Messages : table evo_messaging__prerendering

Goal

The goal of this cache is to store the result of the Rendering Plugins without needing to re-apply these plugins every time an Item, Comment or Private Message is displayed.

Note: Rendering plugins are encouraged to pre-render as much as possible, but in some cases, the rendering can only be done accurately at display time. This means that the prerendering cache does not contain final content ready to be displayed. An extra pass of rendering is possible at display-time.

Filling

Pre-rendering occurs on demand, at display-time, if the requested Item/Comment/Message has an empty cache.

The pre-rendering cache is emptied for a specific Item whenever that Item is saved with changes.

In the case of Content Blocks, this pre-rendering cache invalidation can be recursive.

Clearing

The cache can be manually cleared through the Tools Tab.

Created by fplanque • Last edit by fplanque on 2020-01-30 22:53 • •

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