Query performance

Settings that influence query features and performance implications.

	Has description
$smwg­Query­Result­Non­Embedded­Cache­Lifetime	Sets the cache lifetime of non-embedded queries and their results fetched from the query engine
$smwg­Query­Result­Non­Embedded­Cache­Lifetime	Sets the cache lifetime of non-embedded queries and their results fetched from the query engine
$smwg­Value­Lookup­Cache­Type	Sets a separate cache type for the object cache when requesting value lookups from the database
$smwgExperimentalFeatures	Sets experimental features
$smwgFixedProperties	Sets user defined properties to have a dedicated database table for them
$smwgQConceptFeatures	Defines which concept features should be available by default.
$smwgQEnabled	Activates or deactivates all query related features and interfaces
$smwgQFeatures	Defines which query features should be available by default.
$smwgQFilterDuplicates	Sets whether duplicate query conditions should be removed from computing query results
$smwgQueryResultCacheLifetime	Sets the cache lifetime of embedded queries and their results fetched from the query engine
$smwgQueryResultCacheRefreshOnPurge	Sets whether it is possible to manually refresh the query cache by doing a "purge" action
$smwgQueryResultCacheType	Sets whether the query result cache may be used
$smwgSparqlQFeatures	Sets the SPARQL query features that are expected to be supported by the repository of the identifier (graph) of the SPARQL database
$smwgValueLookupCacheLifetime	Sets the cache lifetime of the value lookup cache until it is being invalidated
$smwgValueLookupFeatures	Sets which value lookup features should be served from value lookup cache

See also

• Help:Performance
• Cache settings