From 75717924013899435f4987a93d216e47317f1cb3 Mon Sep 17 00:00:00 2001
From: "Jason E. Aten" <jason.aten@molecula.com>
Date: Thu, 10 Dec 2020 20:43:21 +0000
Subject: [PATCH] avoid serializing for sync shards in 1 node cluster situation

---
 view.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/view.go b/view.go
index 91e144cc4..912d85743 100644
--- a/view.go
+++ b/view.go
@@ -336,6 +336,13 @@ func (v *view) CreateFragmentIfNotExists(shard uint64) (*fragment, error) {
 
 func (v *view) notifyIfNewShard(shard uint64) {
 
+	// if single node, don't bother serializing only to drop it b/c
+	// we won't send to ourselves.
+	srv, ok := v.broadcaster.(*Server)
+	if ok && len(srv.cluster.Nodes()) == 1 {
+		return
+	}
+
 	if v.knownShards.Contains(shard) { //checks the fields remoteShards bitmap to see if broadcast needed
 		return
 	}