From 7fb2e03d38310546c0e2fa7f338ca38721663dff Mon Sep 17 00:00:00 2001
From: Gene Hoffman <hoffmang@hoffmang.com>
Date: Fri, 16 Oct 2020 22:15:25 -0700
Subject: [PATCH] leave at least one full core open during chain sync

---
 src/full_node/blockchain.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/full_node/blockchain.py b/src/full_node/blockchain.py
index e2009fce12..496c6d3cbe 100644
--- a/src/full_node/blockchain.py
+++ b/src/full_node/blockchain.py
@@ -101,7 +101,7 @@ class Blockchain:
         if cpu_count > 61:
             cpu_count = 61  # Windows Server 2016 has an issue https://bugs.python.org/issue26903
         self.pool = concurrent.futures.ProcessPoolExecutor(
-            max_workers=max(cpu_count - 1, 1)
+            max_workers=max(cpu_count - 2, 1)
         )
         self.constants = consensus_constants
         self.tips = []