METRON-517: Update elasticsearch bro templates for uri closes apache/incubator-metron#358
diff --git a/metron-deployment/roles/metron_elasticsearch_templates/files/es_templates/bro_index.template b/metron-deployment/roles/metron_elasticsearch_templates/files/es_templates/bro_index.template
index 75a553d..8045c95 100644
--- a/metron-deployment/roles/metron_elasticsearch_templates/files/es_templates/bro_index.template
+++ b/metron-deployment/roles/metron_elasticsearch_templates/files/es_templates/bro_index.template
@@ -131,7 +131,8 @@
         },
         "uri": {
           "type": "string",
-          "index": "not_analyzed"
+          "index": "not_analyzed",
+          "ignore_above": 8191
         },
         "uid": {
           "type": "string",