From 60edba93f76ae406ad627b21ea21eb53da27bd7e Mon Sep 17 00:00:00 2001
From: Googler <tjgq@google.com>
Date: Mon, 28 Oct 2024 06:56:24 -0700
Subject: [PATCH] [7.4.1] Correctly compute the number of threads to use for
 garbage collection.

We want a lower bound, not an upper one.

PiperOrigin-RevId: 690593852
Change-Id: If391e695593c9d445b4968be98d05e6169a06b3a
---
 src/tools/diskcache/Gc.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/tools/diskcache/Gc.java b/src/tools/diskcache/Gc.java
index c678e5bfeb9258..04eeed4d810ad2 100644
--- a/src/tools/diskcache/Gc.java
+++ b/src/tools/diskcache/Gc.java
@@ -13,7 +13,7 @@
 // limitations under the License.
 package diskcache;
 
-import static java.lang.Math.min;
+import static java.lang.Math.max;
 
 import com.google.common.util.concurrent.ThreadFactoryBuilder;
 import com.google.devtools.build.lib.remote.disk.DiskCacheGarbageCollector;
@@ -75,7 +75,7 @@ public static final class Options extends OptionsBase {
 
   private static final ExecutorService executorService =
       Executors.newFixedThreadPool(
-          min(4, Runtime.getRuntime().availableProcessors()),
+          max(4, Runtime.getRuntime().availableProcessors()),
           new ThreadFactoryBuilder().setNameFormat("disk-cache-gc-%d").build());
 
   public static void main(String[] args) throws Exception {