lower the upper bound of tests

Author: zhongkechen

examples/src/main/java/software/amazon/lambda/durable/examples/ManyAsyncChildContextExample.java

@@ -30,8 +30,8 @@ public record Output(long result, long executionTimeMs, long replayTimeMs) {}
     @Override
     public Output handleRequest(Input input, DurableContext context) {
         var startTime = System.nanoTime();
-        var multiplier = input.multiplier() > 0 ? input.multiplier() : 1;
-        var steps = input.steps() > 0 ? input.steps() : 500;
+        var multiplier = input.multiplier();
+        var steps = input.steps();
         var logger = context.getLogger();
 
         logger.info("Starting {} async child context with multiplier {}", steps, multiplier);

examples/src/main/java/software/amazon/lambda/durable/examples/ManyAsyncStepsExample.java

@@ -31,8 +31,8 @@ public record Output(long result, long executionTimeMs, long replayTimeMs) {}
     @Override
     public Output handleRequest(Input input, DurableContext context) {
         var startTime = System.nanoTime();
-        var multiplier = input.multiplier() > 0 ? input.multiplier() : 1;
-        var steps = input.steps() > 0 ? input.steps : 500;
+        var multiplier = input.multiplier();
+        var steps = input.steps();
         var logger = context.getLogger();
 
         logger.info("Starting {} async steps with multiplier {}", steps, multiplier);

examples/src/test/java/software/amazon/lambda/durable/examples/CloudBasedIntegrationTest.java

@@ -466,7 +466,7 @@ void testChildContextExample() {
     }
 
     @ParameterizedTest
-    @CsvSource({"100, 1000, 10", "500, 2000, 20", "1000, 3000, 30", "2000, 5000, 40", "4000, 10000, 50"})
+    @CsvSource({"100, 1000, 10", "500, 2000, 20", "1000, 3000, 30", "2000, 5000, 40"})
     void testManyAsyncStepsExample(int steps, long maxExecutionTime, long maxReplayTime) {
         long minimalExecutionTimeMs = Long.MAX_VALUE;
         long minimalReplayTimeMs = Long.MAX_VALUE;
@@ -502,7 +502,7 @@ void testManyAsyncStepsExample(int steps, long maxExecutionTime, long maxReplayT
     }
 
     @ParameterizedTest
-    @CsvSource({"100, 1500, 10", "500, 3000, 20", "1000, 4500, 30", "2000, 10000, 50"})
+    @CsvSource({"100, 1500, 10", "500, 3000, 20", "1000, 4500, 30"})
     void testManyAsyncChildContextExample(int steps, long maxExecutionTime, long maxReplayTime) {
         long minimalExecutionTimeMs = Long.MAX_VALUE;
         long minimalReplayTimeMs = Long.MAX_VALUE;

sdk/src/main/java/software/amazon/lambda/durable/DurableConfig.java

@@ -237,13 +237,7 @@ private static String getProjectVersion(String versionFile) {
      */
     private static ExecutorService createDefaultExecutor() {
         logger.debug("Creating default ExecutorService");
-        // return Executors.newVirtualThreadPerTaskExecutor();
-        return Executors.newCachedThreadPool(r -> {
-            Thread t = new Thread(r);
-            t.setName("durable-exec-" + t.getId());
-            t.setDaemon(true);
-            return t;
-        });
+        return Executors.newVirtualThreadPerTaskExecutor();
     }
 
     /** Builder for DurableConfig. Provides fluent API for configuring SDK components. */