diff --git a/src/applications/search/fulltextstorage/PhabricatorElasticFulltextStorageEngine.php b/src/applications/search/fulltextstorage/PhabricatorElasticFulltextStorageEngine.php
--- a/src/applications/search/fulltextstorage/PhabricatorElasticFulltextStorageEngine.php
+++ b/src/applications/search/fulltextstorage/PhabricatorElasticFulltextStorageEngine.php
@@ -528,7 +528,6 @@
       $host = $this->getHostForRead();
     }
     $uri = '/_stats/';
-    $host = $this->getHostForRead();
 
     $res = $this->executeRequest($host, $uri, array());
     $stats = $res['indices'][$this->index];
diff --git a/src/infrastructure/cluster/search/PhabricatorSearchService.php b/src/infrastructure/cluster/search/PhabricatorSearchService.php
--- a/src/infrastructure/cluster/search/PhabricatorSearchService.php
+++ b/src/infrastructure/cluster/search/PhabricatorSearchService.php
@@ -198,7 +198,7 @@
             implode(', ', array_keys($engines))));
       }
 
-      $engine = $engines[$config['type']];
+      $engine = clone($engines[$config['type']]);
       $cluster = new self($engine);
       $cluster->setConfig($config);
       $engine->setService($cluster);