From 26e380e53c8b4761b874d94866c1a1f3169a72ff Mon Sep 17 00:00:00 2001
From: Tyera Eulberg <teulberg@gmail.com>
Date: Tue, 23 Jul 2019 18:46:33 -0600
Subject: [PATCH] Sort bench-tps keypairs (#5254)

automerge
---
 bench-tps/src/main.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/bench-tps/src/main.rs b/bench-tps/src/main.rs
index 23da5d437..01fb4455c 100644
--- a/bench-tps/src/main.rs
+++ b/bench-tps/src/main.rs
@@ -6,7 +6,7 @@ use crate::bench::{
 };
 use solana::gossip_service::{discover_cluster, get_multi_client};
 use solana_sdk::fee_calculator::FeeCalculator;
-use solana_sdk::signature::Keypair;
+use solana_sdk::signature::{Keypair, KeypairUtil};
 use std::collections::HashMap;
 use std::fs::File;
 use std::io::prelude::*;
@@ -91,6 +91,10 @@ fn main() {
             keypairs.push(Keypair::from_bytes(&bytes).unwrap());
             last_balance = balance;
         });
+        // Sort keypairs so that do_bench_tps() uses the same subset of accounts for each run.
+        // This prevents the amount of storage needed for bench-tps accounts from creeping up
+        // across multiple runs.
+        keypairs.sort_by(|x, y| x.pubkey().to_string().cmp(&y.pubkey().to_string()));
         (keypairs, last_balance)
     } else {
         generate_and_fund_keypairs(