SharePoint 2013 Search returned an error:
Unexpected response from server. The status code of response is '500'. The status text of response is 'System.ServiceModel.ServiceActivationException'.
In Event logs of SharePoint web front ends, it left an event:
Exception: System.ServiceModel.ServiceActivationException: The service '/_vti_bin/client.svc' cannot be activated due to an exception during compilation.
Either increase the Server Memory or Try closing some running applications in the SharePoint WFEs to freed up the memory in server!
- Limit the search service
Set-SPEnterpriseSearchService -PerformanceLevel Reduced
- Limit the NodeRunner.exe's memory (NodeRunner is a SharePoint Search component)
- Open the configuration file at "C\Program Files\Microsoft Office Servers\15.0\Search\Runtime\1.0\noderunner.exe.config" Locate the node "nodeRunnerSettings" and set the value for "memoryLimitMegabytes" attribute (Say: 100). By default its value is 0 (which means unlimited). Once done, restart SharePoint Search Host Controller process.
It also happens with you try add/update new items to SharePoint 2013 lists:
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