From a357281f05ce406b3513c3bd61fd8c28c5162986 Mon Sep 17 00:00:00 2001
From: eileenmcnaugton <eileen@fuzion.co.nz>
Date: Mon, 16 May 2016 14:06:56 +1200
Subject: [PATCH] CRM-18516 add job for clearing of caches, separated from the
 rebuild job

---
 api/v3/Job.php | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/api/v3/Job.php b/api/v3/Job.php
index 38a08fb65b..cfd2ff2396 100644
--- a/api/v3/Job.php
+++ b/api/v3/Job.php
@@ -643,6 +643,24 @@ function civicrm_api3_job_group_rebuild($params) {
   return civicrm_api3_create_success();
 }
 
+/**
+ * Flush smart groups caches.
+ *
+ * This job purges aged smart group cache data (based on the timeout value). Sites can decide whether they want this
+ * job and / or the group cache rebuild job to run. In some cases performance is better when old caches are cleared out
+ * prior to any attempt to rebuild them. Also, many sites are very happy to have caches built on demand, provided the
+ * user is not having to wait for deadlocks to clear when invalidating them.
+ *
+ * @param array $params
+ *
+ * @return array
+ * @throws \API_Exception
+ */
+function civicrm_api3_job_group_cache_flush($params) {
+  CRM_Contact_BAO_GroupContactCache::deterministicCacheRefresh();
+  return civicrm_api3_create_success();
+}
+
 /**
  * Check for CiviCRM software updates.
  *
-- 
2.25.1