Index: java/org/apache/tomcat/util/threads/ThreadPoolExecutor.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- java/org/apache/tomcat/util/threads/ThreadPoolExecutor.java	(revision 75cec48b92d593b0beed19d3befedf86d497edfa)
+++ java/org/apache/tomcat/util/threads/ThreadPoolExecutor.java	(date 1582049677055)
@@ -75,13 +75,19 @@
 
     public ThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit, BlockingQueue<Runnable> workQueue, ThreadFactory threadFactory) {
         super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory, new RejectHandler());
-        prestartAllCoreThreads();
     }
 
     public ThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit, BlockingQueue<Runnable> workQueue) {
         super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, new RejectHandler());
         prestartAllCoreThreads();
     }
+
+    public ThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit, BlockingQueue<Runnable> workQueue, ThreadFactory threadFactory, boolean preStartMinSpareThreads) {
+        super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory, new RejectHandler());
+        if (preStartMinSpareThreads) {
+            prestartAllCoreThreads();
+        }
+    }
 
     public long getThreadRenewalDelay() {
         return threadRenewalDelay;