Umbraco 7 slow on production server and keeps restarting - umbraco

Question

Local on my laptop the umbraco projects runs perfectly, but when I put it on the production server the backend is very slow.
Specs of VPS:
Windows Server 2012
1 CPU with 2 Cores 2.2Ghz
4Gb RAM
IIS8
MSSQL Express
Umbraco version
7.4.1
Also when I add new nodes or other changes in the backend it sometimes hangs and then I see in the log that the application has restarted.
Log see below:
Log rules
2016-03-23 09:59:36,936 [P2616/D99/T30] INFO Umbraco.Core.UmbracoApplicationBase - Application shutdown. Details: ConfigurationChange
_shutDownMessage=IIS configuration change
HostingEnvironment initiated shutdown
HostingEnvironment caused shutdown
_shutDownStack= at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
at System.Environment.get_StackTrace()
at System.Web.Hosting.HostingEnvironment.InitiateShutdownInternal()
at System.Web.Hosting.PipelineRuntime.StopProcessing()
at System.Web.Hosting.UnsafeIISMethods.MgdIndicateCompletion(IntPtr pHandler, RequestNotificationStatus& notificationStatus)
at System.Web.Hosting.UnsafeIISMethods.MgdIndicateCompletion(IntPtr pHandler, RequestNotificationStatus& notificationStatus)
at System.Web.Hosting.PipelineRuntime.ProcessRequestNotificationHelper(IntPtr rootedObjectsPointer, IntPtr nativeRequestContext, IntPtr moduleData, Int32 flags)
at System.Web.Hosting.PipelineRuntime.ProcessRequestNotification(IntPtr rootedObjectsPointer, IntPtr nativeRequestContext, IntPtr moduleData, Int32 flags)
2016-03-23 09:59:49,483 [P2616/D100/T36] INFO Umbraco.Core.UmbracoApplicationBase - Application shutdown. Details: ConfigurationChange
_shutDownMessage=IIS configuration change
HostingEnvironment initiated shutdown
HostingEnvironment caused shutdown
_shutDownStack= at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
at System.Environment.get_StackTrace()
at System.Web.Hosting.HostingEnvironment.InitiateShutdownInternal()
at System.Web.Hosting.PipelineRuntime.StopProcessing()
Anyone that has suggestions about this?

Answer 1

There is a Windows Server 2012 R2 hotfix for this issue which can be found here - once installed the issue no longer occurs.

Answer 2

I had the same problem recently and turned of examine indexing because it forced a configurationchange.
Try this out, go to /config/ExamineSettings.config
And comment out the providers
<providers>
<!--
<add name="InternalIndexer" type="UmbracoExamine.UmbracoContentIndexer, UmbracoExamine"
supportUnpublished="true"
supportProtected="true"
analyzer="Lucene.Net.Analysis.WhitespaceAnalyzer, Lucene.Net"/>
<add name="InternalMemberIndexer" type="UmbracoExamine.UmbracoMemberIndexer, UmbracoExamine"
supportUnpublished="true"
supportProtected="true"
analyzer="Lucene.Net.Analysis.Standard.StandardAnalyzer, Lucene.Net"/>
<add name="ExternalIndexer" type="UmbracoExamine.UmbracoContentIndexer, UmbracoExamine"/>
-->
</providers>
It should stop the app pool restarting every time something is saved, but i don't know why the Indexer is forcing a refresh