Tweak config settings, a=chris

diff --git a/configs/config.php b/configs/config.php
index 909fe7af8..9b07200e8 100755
--- a/configs/config.php
+++ b/configs/config.php
@@ -170,7 +170,7 @@ define('MIN_QUEUE_WEIGHT', 1/100000);
 define('NUM_ARCHIVE_PARTITIONS', 10);

 /** number of documents before next gen */
-define('NUM_DOCS_PER_GENERATION', 100000);
+define('NUM_DOCS_PER_GENERATION', 50000);

 /** precision to round floating points document scores */
 define('PRECISION', 10);
diff --git a/models/phrase_model.php b/models/phrase_model.php
index 06f68c789..2ddedd0f9 100755
--- a/models/phrase_model.php
+++ b/models/phrase_model.php
@@ -75,7 +75,7 @@ class PhraseModel extends Model
      * Number of pages to cache in one go in memcache
      * Size chosen based on 1MB max object size for memcache
      */
-     const NUM_CACHE_PAGES = 80;
+     const NUM_CACHE_PAGES = 50;
     /**
      * {@inheritdoc}
      */