Make max_message_size customizable

Change-Id: Id9f55733c41a46d4566cfef2ecf41c353a7aa2b4
diff --git a/metadata/service/remote_collector/cluster.yml b/metadata/service/remote_collector/cluster.yml
index 9e60e86..daa7e64 100644
--- a/metadata/service/remote_collector/cluster.yml
+++ b/metadata/service/remote_collector/cluster.yml
@@ -5,9 +5,11 @@
 parameters:
   _param:
     remote_collector_poolsize: 100
+    remote_collector_max_message_size: 262144
   heka:
     remote_collector:
       automatic_starting: false
       enabled: true
       influxdb_time_precision: ms
       poolsize: ${_param:remote_collector_poolsize}
+      max_message_size: ${_param:remote_collector_max_message_size}