[V3]Disable NoGC during cold start for Linux Consumption. (#8713)

* Disable NoGCRegion on Linux consumption. (#8687) (#8688)

* [V3]Disable NoGC during cold start for Linux Consumption.

Author: safihamid

build/common.props

@@ -5,7 +5,7 @@
     <LangVersion>latest</LangVersion>
     <MajorVersion>3</MajorVersion>
     <MinorVersion>14</MinorVersion>
-    <PatchVersion>0</PatchVersion>
+    <PatchVersion>1</PatchVersion>
     <VersionPrefix>$(MajorVersion).$(MinorVersion).$(PatchVersion)</VersionPrefix>
     <Version Condition=" '$(BuildNumber)' != '' ">$(VersionPrefix)-$(BuildNumber)</Version>
     <Version Condition=" '$(Version)' == '' ">$(VersionPrefix)</Version>

src/WebJobs.Script.WebHost/Middleware/ClrOptimizationMiddleware.cs

@@ -31,7 +31,7 @@ public ClrOptimizationMiddleware(RequestDelegate next, IScriptWebHostEnvironment
             _environment = environment;
             _logger = logger;
             _next = next;
-            _invoke = InvokeClrOptimizationCheck;
+            _invoke = _environment.IsLinuxConsumption() ? next : InvokeClrOptimizationCheck;
         }
 
         public Task Invoke(HttpContext context)
@@ -56,7 +56,7 @@ private void StartStopGCAsBestEffort()
             try
             {
                 // optimization not intended for single core VMs
-                if (_webHostEnvironment.InStandbyMode && _environment.GetEffectiveCoresCount() > 1)
+                if (_webHostEnvironment.InStandbyMode && _environment.GetEffectiveCoresCount() > 1 && !_environment.IsLinuxConsumption())
                 {
                     // If in placeholder mode and already in NoGCRegion, let's end it then start NoGCRegion again.
                     // This may happen if there are multiple warmup calls(few minutes apart) during placeholder mode and before specialization.