From 2f1107ff4ffcaccd7cd4eede8e09cfac1166e7e6 Mon Sep 17 00:00:00 2001
From: Stephen Akridge <stephen@solana.com>
Date: Thu, 17 Jan 2019 14:41:48 -0800
Subject: [PATCH] Add randomness to broadcast

---
 src/cluster_info.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/cluster_info.rs b/src/cluster_info.rs
index 089360233..cff5d04d0 100644
--- a/src/cluster_info.rs
+++ b/src/cluster_info.rs
@@ -637,8 +637,9 @@ impl ClusterInfo {
 
         let mut orders = Vec::with_capacity(blobs.len());
 
+        let x = thread_rng().gen_range(0, broadcast_table.len());
         for (i, blob) in blobs.iter().enumerate() {
-            let br_idx = i % broadcast_table.len();
+            let br_idx = (x + i) % broadcast_table.len();
 
             trace!("broadcast order data br_idx {}", br_idx);