This table in the Analysis Snapshot section shows performance evaluations of DNS Lookup, Connection Time, and SSL Time, if applicable, by each specific host. It lists each host by hostname and IP address for all test results, for the past hour relative to the past 24 hours. If you have contributor groups, then this section lists results by each contributor group and the hosts that comprise that group.
This section helps you to localize any problems within the application, be it specific to an image server versus the main content server, or possibly one server in a load-balanced set of IP addresses.
In some circumstances, this table does not display values:
- The message “<.005” appears for a time less than 5 milliseconds, because such a short time doesn’t indicate potential issues with clients’ servers. These DNS measurements are removed from consideration in Test Analysis.
- The message “No successful tests” means that no valid results could be analyzed for the metric. Reasons for this include having no results for a portion of the time frame selected, the underlying test failing, or when metrics are not applicable, such as SSL being used within portions of an application and not within others.