From 3b32db998dd857afed5d56d7523e5199d848ced9 Mon Sep 17 00:00:00 2001
From: Todd Gruben <tgruben@umbel.com>
Date: Thu, 7 Jul 2016 11:22:15 -0500
Subject: [PATCH] ignore checksum on single node clusters

---
 fragment.go | 8 ++++++--
 handler.go  | 2 ++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/fragment.go b/fragment.go
index 4c9be2782..db934841e 100644
--- a/fragment.go
+++ b/fragment.go
@@ -1189,13 +1189,17 @@ func (s *FragmentSyncer) isClosing() bool {
 func (s *FragmentSyncer) SyncFragment() error {
 	// Determine replica set.
 	nodes := s.Cluster.FragmentNodes(s.Fragment.DB(), s.Fragment.Slice())
-
+	if len(nodes) == 1 {
+		//fmt.Println("no place to replicate", s.Fragment.DB(), s.Fragment.Frame(), s.Fragment.Slice())
+		return nil
+	}
 	// Create a set of blocks.
 	blockSets := make([][]FragmentBlock, 0, len(nodes))
 	for _, node := range nodes {
 		// Read local blocks.
 		if node.Host == s.Host {
-			blockSets = append(blockSets, s.Fragment.Blocks())
+			b := s.Fragment.Blocks()
+			blockSets = append(blockSets, b)
 			continue
 		}
 
diff --git a/handler.go b/handler.go
index 2c1510d53..fe4cecd85 100644
--- a/handler.go
+++ b/handler.go
@@ -59,6 +59,8 @@ func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 			pprof.Profile(w, r)
 		case "/debug/pprof/symbol":
 			pprof.Symbol(w, r)
+		case "/debug/pprof/trace":
+			pprof.Trace(w, r)
 		default:
 			pprof.Index(w, r)
 		}