...
http://<server_host>/casebrowser/admin/documents-index-info?case_number=<case_ref>
e.g.
http://our-dms-server.com:9080/casebrowser/admin/documents-index-info?case_number=P1046DEEP
Another diagnosis servlet returns elasticsearch configuration and number of processed documents in categories: textExtraction, mailAnalysis, previewGenerating
URL: http://<server_host>/casebrowser/admin/processing-info