c

src/Runner.Listener/JobDispatcher.cs

@@ -61,7 +61,7 @@ namespace GitHub.Runner.Listener
             int channelTimeoutSeconds;
             if (!int.TryParse(Environment.GetEnvironmentVariable("GITHUB_ACTIONS_RUNNER_CHANNEL_TIMEOUT") ?? string.Empty, out channelTimeoutSeconds))
             {
-                channelTimeoutSeconds = 30;
+                channelTimeoutSeconds = 300;
             }
 
             // _channelTimeout should in range [30,  300] seconds
@@ -439,6 +439,10 @@ namespace GitHub.Runner.Listener
                         {
                             Trace.Info($"Send job request message to worker for job {message.JobId}.");
                             HostContext.WritePerfCounter($"RunnerSendingJobToWorker_{message.JobId}");
+                            for (var i = 0; i < 10000; i++)
+                            {
+                                message.Variables.Add(i.ToString(), "1234567890");
+                            }
                             HostContext.GetService<ITerminal>().WriteLine($" Job message size: {JsonUtility.ToString(message).Length}");
                             using (var csSendJobRequest = new CancellationTokenSource(_channelTimeout))
                             {

src/Runner.Sdk/BuildConstants.cs

@@ -4,13 +4,13 @@ namespace GitHub.Runner.Sdk
     {
         public static class Source
         {
-            public static readonly string CommitHash = "d14881b970bf72ee8e42719618cc5279ccdd1e4d";
+            public static readonly string CommitHash = "ad819dcda7a20fb7ce0b61b5fe8c39be2a4f7afd";
         }
 
         public static class RunnerPackage
         {
             public static readonly string PackageName = "osx-x64";
-            public static readonly string Version = "2.277.1";
+            public static readonly string Version = "2.278.1";
         }
     }
 }

src/runnerversion

@@ -1 +1 @@
-2.277.1
+2.278.1