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development:architecture:caching

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development:architecture:caching [2016/05/09 20:23]
demiankatz
development:architecture:caching [2020/09/22 13:54] (current)
demiankatz
Line 5: Line 5:
 ===== The Cache Manager and Its Caches ===== ===== The Cache Manager and Its Caches =====
  
-VuFind has a [[https://github.com/vufind-org/vufind/blob/master/module/VuFind/src/VuFind/Cache/Manager.php|VuFind\Cache\Manager]] class which pre-configures Zend Framework cache objects and/or directory locations for several named caches. Each of these caches is used slightly differently.+VuFind has a [[https://github.com/vufind-org/vufind/blob/dev/module/VuFind/src/VuFind/Cache/Manager.php|VuFind\Cache\Manager]] class which pre-configures [[development:architecture:laminas|Laminas]] cache objects and/or directory locations for several named caches. Each of these caches is used slightly differently.
  
-  * config - stores top-level Zend Framework configurations; manually set up in [[https://github.com/vufind-org/vufind/blob/master/config/application.config.php|application.config.php]] but included in the cache manager to assist with automated cache clearing in the admin panel. +  * config - stores top-level Laminas configurations; manually set up in [[https://github.com/vufind-org/vufind/blob/dev/config/application.config.php|application.config.php]] but included in the cache manager to assist with automated cache clearing in the admin panel. 
-  * cover - stores cover images; used by the [[https://github.com/vufind-org/vufind/blob/master/module/VuFind/src/VuFind/Cover/Loader.php|cover loader]] to store downloaded image files.+  * cover - stores cover images; used by the [[https://github.com/vufind-org/vufind/blob/dev/module/VuFind/src/VuFind/Cover/Loader.php|cover loader]] to store downloaded image files.
   * language - stores parsed i18n language files; set up as part of [[https://github.com/vufind-org/vufind/blob/v3.0/module/VuFind/src/VuFind/Service/Factory.php#L883|i18n initialization]].    * language - stores parsed i18n language files; set up as part of [[https://github.com/vufind-org/vufind/blob/v3.0/module/VuFind/src/VuFind/Service/Factory.php#L883|i18n initialization]]. 
   * object - stores serialized PHP objects; this is the most general-purpose cache in VuFind, shared by several different consumers. If you want to cache data of your own, this is a good place to put it, as long as you name your cache keys with appropriate uniqueness.   * object - stores serialized PHP objects; this is the most general-purpose cache in VuFind, shared by several different consumers. If you want to cache data of your own, this is a good place to put it, as long as you name your cache keys with appropriate uniqueness.
-  * searchspecs - stores parsed/processed YAML search specification configurations; used by the [[https://github.com/vufind-org/vufind/blob/master/module/VuFind/src/VuFind/Config/SearchSpecsReader.php|SearchSpecsReader]].+  * searchspecs - stores parsed/processed YAML search specification configurations; used by the [[https://github.com/vufind-org/vufind/blob/dev/module/VuFind/src/VuFind/Config/SearchSpecsReader.php|SearchSpecsReader]].
  
 +===== Cache Locations =====
  
 +The location of the cache may vary depending on various environment variables, your VuFind version, and whether you are running code through Apache or from the command line. See VuFind\Cache\Manager::getCacheDir for the rules that apply in your particular version of VuFind.
 +
 +===== Consumers of the Object Cache =====
 +
 +As noted above, VuFind's object cache is the best general-purpose place for storing data, as long as you use cache keys that do not conflict with other VuFind components. Here is a list of current keys reserved in the object cache (current as of VuFind 3.0):
 +
 +  * alephTranslator - used by VuFind\ILS\Driver\Aleph
 +  * edsAuthenticationToken - used by VuFindSearch\Backend\EDS\Backend
 +  * solrSearchAdvancedFacets*, solrSearchHomeFacets* - used by VuFind\Controller\SearchController
 +  * summonSearchAdvancedFacets - used by VuFind\Controller\SummonController
 +  * VoyagerRestful-* - used by VuFind\ILS\Driver\VoyagerRestful
development/architecture/caching.1462825397.txt.gz · Last modified: 2016/05/09 20:23 by demiankatz