Performance

Patches that impact Drupal's performance. Have a need for speed and some mad benchmarking skills? Help out here!

General big improvements

• #111127: Cache node_load
• #223075: Adaptive path caching
• #32457: Improve performance of locale cache
• #358663: Implement a locking framework and make caching pluggable

Remove LOWER() from queries

• #279851: Rework username queries to improve performance
• #277209: Remove lower from taxonomy autocomplete

Remove db_rewrite_sql

• #106559: drupal_lookup_path() optimization - skip looking up certain paths in drupal_lookup_path()

Other issues

• #340723: make modules only require .info files
• #251200: Descriptions node_types too long causing queries
• #79008: make variable prefetching optional
• #147000: Regression: Unify and rewrite module_rebuild_cache() and system_theme_data()
• #152901: Caching (per user) for authenticated users
• #171685: temporary tables in taxonomy module queries - eliminate queries that write temp tables to disk with MYSQL
• #201122: Drupal should support disabling anonymous sessions - makes it easier to use Drupal with HTTP accelerators like Varnish
• #146611: Allow JS/CSS aggregation in private mode - let users of private files get these performance improvements too
• #120967: Separate revisions from node.module - improves performance for sites that don't rely on node revisioning

Mindmap

• Catch: have block_cache work with the who's online block, and not disable itself when node_access modules are enabled.
• RMuilwijk: Enable multiple user_load as like patch #324313: Load multiple nodes and terms at once

See also: Performance Related Patches