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+# This file contains example services overrides.
+#
+# Enable with this line in settings.php
+# $settings['container_yamls'][] = 'modules/memcache/example.services.yml';
+#
+# Or copy & paste the desired services into sites/default/services.yml.
+#
+# Note that the memcache module must be enabled for this to work.
+
+services:
+ # Timestamp invalidation service used for invalidation logic.
+ memcache.timestamp.invalidator.tag:
+ class: Drupal\memcache\Invalidator\MemcacheTimestampInvalidator
+ # Remember to use the same bin as the bootstrap container if you are using it!
+ # Adjust tolerance factor as appropriate when not running memcache on localhost.
+ arguments: ['@memcache.factory', 'memcache_tag_timestamps', 0.001]
+
+ # Cache tag checksum backend. Used by memcache and most other cache backends
+ # to deal with cache tag invalidations.
+ cache_tags.invalidator.checksum:
+ class: Drupal\memcache\Cache\TimestampCacheTagsChecksum
+ arguments: ['@memcache.timestamp.invalidator.tag']
+ tags:
+ - { name: cache_tags_invalidator }
+
+ # Replaces the default lock backend with a memcache implementation.
+ lock:
+ class: Drupal\Core\Lock\LockBackendInterface
+ factory: ['@memcache.lock.factory', get]