From e2a770f8de4685cdf8fb931c6379f28895fa3bdb Mon Sep 17 00:00:00 2001
From: Ruihang Xia <waynestxia@gmail.com>
Date: Tue, 14 Nov 2023 14:44:10 +0800
Subject: [PATCH] fix: handle if num_cpus / 2 == 0 (#2740)

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
---
 src/mito2/src/config.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mito2/src/config.rs b/src/mito2/src/config.rs
index 66d688a39f..b4d77d1457 100644
--- a/src/mito2/src/config.rs
+++ b/src/mito2/src/config.rs
@@ -92,7 +92,7 @@ impl MitoConfig {
         // Sanitize worker num.
         let num_workers_before = self.num_workers;
         if self.num_workers == 0 {
-            self.num_workers = num_cpus::get() / 2;
+            self.num_workers = (num_cpus::get() / 2).max(1);
         }
         if num_workers_before != self.num_workers {
             warn!(