From 7481d9b66b3afd0e207baf5b73da746f37fad67d Mon Sep 17 00:00:00 2001
From: "Jeff Washington (jwash)"
 <75863576+jeffwashington@users.noreply.github.com>
Date: Tue, 17 Aug 2021 12:38:41 -0500
Subject: [PATCH] exhaustively_free_unused_resource uses more threads (#19264)

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

diff --git a/runtime/src/bank.rs b/runtime/src/bank.rs
index 13c6c8febf..372b717755 100644
--- a/runtime/src/bank.rs
+++ b/runtime/src/bank.rs
@@ -2457,7 +2457,8 @@ impl Bank {
         clean.stop();
 
         let mut shrink = Measure::start("shrink");
-        self.shrink_all_slots(false, last_full_snapshot_slot);
+        const IS_STARTUP: bool = true; // this is only called at startup, and we want to use more threads
+        self.shrink_all_slots(IS_STARTUP, last_full_snapshot_slot);
         shrink.stop();
 
         info!(