Remove the hard upper limit for SQL write lock timeout (#18260)

Author: kjac

src/Umbraco.Core/Configuration/Models/Validation/GlobalSettingsValidator.cs

@@ -32,16 +32,14 @@ private bool ValidateSmtpSetting(SmtpSettings? value, out string message) =>
 
     private bool ValidateSqlWriteLockTimeOutSetting(TimeSpan configuredTimeOut, out string message)
     {
-        // Only apply this setting if it's not excessively high or low
+        // Only apply this setting if it's not excessively low
         const int minimumTimeOut = 100;
-        const int maximumTimeOut = 20000;
 
         // between 0.1 and 20 seconds
-        if (configuredTimeOut.TotalMilliseconds < minimumTimeOut ||
-            configuredTimeOut.TotalMilliseconds > maximumTimeOut)
+        if (configuredTimeOut.TotalMilliseconds < minimumTimeOut)
         {
             message =
-                $"The `{Constants.Configuration.ConfigGlobal}:{nameof(GlobalSettings.DistributedLockingWriteLockDefaultTimeout)}` setting is not between the minimum of {minimumTimeOut} ms and maximum of {maximumTimeOut} ms";
+                $"The `{Constants.Configuration.ConfigGlobal}:{nameof(GlobalSettings.DistributedLockingWriteLockDefaultTimeout)}` should not be configured as less than {minimumTimeOut} ms";
             return false;
         }
 

tests/Umbraco.Tests.UnitTests/Umbraco.Core/Configuration/Models/Validation/GlobalSettingsValidatorTests.cs

@@ -39,16 +39,6 @@ public void Returns_Fail_For_Configuration_With_Insufficient_SqlWriteLockTimeOut
         Assert.False(result.Succeeded);
     }
 
-    [Test]
-    public void Returns_Fail_For_Configuration_With_Excessive_SqlWriteLockTimeOut()
-    {
-        var validator = new GlobalSettingsValidator();
-        var options = new GlobalSettings { DistributedLockingWriteLockDefaultTimeout = TimeSpan.Parse("00:00:21") };
-
-        var result = validator.Validate("settings", options);
-        Assert.False(result.Succeeded);
-    }
-
     [Test]
     public void Returns_Success_For_Configuration_With_Valid_SqlWriteLockTimeOut()
     {