From cba97d576a2f427d431c8939d3e3556aef5c5a7e Mon Sep 17 00:00:00 2001
From: "mergify[bot]" <37929162+mergify[bot]@users.noreply.github.com>
Date: Mon, 12 Jul 2021 22:26:29 +0000
Subject: [PATCH] serial insertion of bins into accounts index (#18469)
 (#18617)

(cherry picked from commit f5ff4b205859c3224032dd7fa4e3c3d10075c3c5)

Co-authored-by: Jeff Washington (jwash) <75863576+jeffwashington@users.noreply.github.com>
---
 runtime/src/accounts_index.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/runtime/src/accounts_index.rs b/runtime/src/accounts_index.rs
index ee33c58c8f..82f7073af2 100644
--- a/runtime/src/accounts_index.rs
+++ b/runtime/src/accounts_index.rs
@@ -7,7 +7,6 @@ use crate::{
 use bv::BitVec;
 use log::*;
 use ouroboros::self_referencing;
-use rayon::prelude::*;
 use solana_measure::measure::Measure;
 use solana_sdk::{
     clock::{BankId, Slot},
@@ -1398,7 +1397,7 @@ impl<T: 'static + Clone + IsCached + ZeroLamport + std::marker::Sync + std::mark
         let insertion_time = AtomicU64::new(0);
 
         let duplicate_keys = binned
-            .into_par_iter()
+            .into_iter()
             .map(|(pubkey_bin, items)| {
                 let mut _reclaims = SlotList::new();
                 let mut w_account_maps = self.account_maps[pubkey_bin].write().unwrap();