diff --git a/cache/classes/loaders.php b/cache/classes/loaders.php
index 6f4e680e29a..da8fe6758bf 100644
--- a/cache/classes/loaders.php
+++ b/cache/classes/loaders.php
@@ -117,6 +117,8 @@ class cache implements cache_loader {
     /**
      * An array containing just the keys being used in the persist cache.
      * This seems redundant perhaps but is used when managing the size of the persist cache.
+     * Items are added to the end of the array and the when we need to reduce the size of the cache we use the
+     * key that is first on this array.
      * @var array
      */
     private $persistkeys = array();
@@ -965,6 +967,15 @@ class cache implements cache_loader {
             if ($this->perfdebug) {
                 cache_helper::record_cache_hit('** static persist **', $this->definition->get_id());
             }
+            if ($this->persistmaxsize > 1 && $this->persistcount > 1) {
+                // Check to see if this is the last item on the persist keys array.
+                if (end($this->persistkeys) !== $key) {
+                    // It isn't the last item.
+                    // Move the item to the end of the array so that it is last to be removed.
+                    unset($this->persistkeys[$key]);
+                    $this->persistkeys[$key] = $key;
+                }
+            }
             return $result;
         } else {
             if ($this->perfdebug) {
@@ -989,6 +1000,7 @@ class cache implements cache_loader {
         $this->persistcache[$key] = $data;
         if ($this->persistmaxsize !== false) {
             $this->persistcount++;
+            $this->persistkeys[$key] = $key;
             if ($this->persistcount > $this->persistmaxsize) {
                 $dropkey = array_shift($this->persistkeys);
                 unset($this->persistcache[$dropkey]);
diff --git a/lib/db/caches.php b/lib/db/caches.php
index 44e7e376e78..0498fc4c1af 100644
--- a/lib/db/caches.php
+++ b/lib/db/caches.php
@@ -30,12 +30,13 @@ $definitions = array(
 
     // Used to store processed lang files.
     // The keys used are the component of the string file.
+    // The persistent max size has been based upon student access of the site.
     'string' => array(
         'mode' => cache_store::MODE_APPLICATION,
         'simplekeys' => true,
         'simpledata' => true,
         'persistent' => true,
-        'persistentmaxsize' => 3
+        'persistentmaxsize' => 30
     ),
 
     // Used to store database meta information.
@@ -48,7 +49,7 @@ $definitions = array(
             'dbfamily'
         ),
         'persistent' => true,
-        'persistentmaxsize' => 2
+        'persistentmaxsize' => 15
     ),
 
     // Event invalidation cache.
@@ -78,7 +79,7 @@ $definitions = array(
 
     // HTML Purifier cache
     // This caches the html purifier cleaned text. This is done because the text is usually cleaned once for every user
-    // and context combo. Text caching handles caching for the combonation, this cache is responsible for caching the
+    // and context combo. Text caching handles caching for the combination, this cache is responsible for caching the
     // cleaned text which is shareable.
     'htmlpurifier' => array(
         'mode' => cache_store::MODE_APPLICATION,
diff --git a/version.php b/version.php
index bbe0cbeb5de..2e8d2210516 100644
--- a/version.php
+++ b/version.php
@@ -29,7 +29,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$version  = 2012120305.02;              // 20121203      = branching date YYYYMMDD - do not modify!
+$version  = 2012120305.03;              // 20121203      = branching date YYYYMMDD - do not modify!
                                         //         RR    = release increments - 00 in DEV branches
                                         //           .XX = incremental changes