1 files changed, 4 insertions, 0 deletions
diff --git a/Library/Formula/elasticsearch.rb b/Library/Formula/elasticsearch.rb
index c0084b02f..25cae9818 100644
--- a/Library/Formula/elasticsearch.rb
+++ b/Library/Formula/elasticsearch.rb
@@ -64,6 +64,10 @@ class Elasticsearch < Formula
         ln -nfs #{plist_path} ~/Library/LaunchAgents/
         launchctl load -wF ~/Library/LaunchAgents/#{plist_path.basename}
 
+    If upgrading from 0.18 ElasticSearch requires flushing before shutting
+    down the cluster with no indexing operations happening after flush:
+        curl host:9200/_flush
+
     To stop the ElasticSearch daemon:
         launchctl unload -wF ~/Library/LaunchAgents/#{plist_path.basename}