During shutdown, generate snapshot before closing raft node. (#5476)

This will prevent trySnapshot from trying to send a range to the index range channel before it's closed.
hypermodeinc · May 22, 2020 · cfbcf2b · cfbcf2b
1 parent 8b579a6
commit cfbcf2b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/dgraph/cmd/zero/run.go b/dgraph/cmd/zero/run.go
@@ -266,11 +266,12 @@ func run() {
 		_ = httpListener.Close()
 		// Stop Raft.
 		st.node.closer.SignalAndWait()
+		// Try to generate a snapshot before the shutdown.
+		st.node.trySnapshot(0)
 		// Stop Raft store.
 		store.Closer.SignalAndWait()
 		// Stop all internal requests.
 		_ = grpcListener.Close()
-		st.node.trySnapshot(0)
 	}()
 
 	glog.Infoln("Running Dgraph Zero...")