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Measures reported by BTHttpRecTest
The HTTP adapter is used to exchange information between the BizTalk server and an application by means of the HTTP protocol. HTTP is the primary protocol for inter-business message exchange. Applications can send messages to a server by sending HTTP POST or HTTP GET requests to a specified HTTP URL. The HTTP receive adapter is an Internet Information Services (IIS) Internet Server Application Programming Interface (ISAPI) extension that the IIS process hosts, and controls the receive locations that use the HTTP adapter. The receive location for the HTTP receive adapter is a distinct URL configured through BizTalk Explorer.
This test monitors the flow of messages to and from the HTTP receive adapter for each host instance on the BizTalk server. In the process, you can determine the current workload of the HTTP receive adapter of a host instance, and evaluate the load processing ability of that adapter.
The measures
made by this test are as
follows:
| Measurement |
Description |
Measurement
Unit |
Interpretation |
| Messagesreceived |
Indicates the total number of HTTP requests received by the HTTP receive adapter on this host instance. |
Number |
The counter is incremented after a request message is completely read by the HTTP receive adapter from the HTTP client. |
| MessagesreceivedSec |
Indicates the rate at which the HTTP requests are received by the HTTP receive adapter on this host instance. |
Msgs/Sec |
The counter applies only to request messages that have been completely read by the HTTP receive adapter from the HTTP client.
Ideally, the value of this measure should be high. A low value indicates that the HTTP receive adapter is experiencing delays while accepting requests from the HTTP client. Further investigation may be required to diagnose the root-cause of the slowdown.
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| Messagessent |
Indicates the total number of HTTP responses sent by the HTTP receive adapter on this host instance. |
Number |
The counter is incremented only for response messages that have been successfully sent to HTTP clients. |
| MessagessentSec |
Indicates the rate at which the HTTP responses are sent by the HTTP receive adapter on this host instance. |
Msgs/sec |
The counter applies only to response messages that have been successfully sent to HTTP clients.
Ideally, the value of this measure should be high. A low value indicates that the HTTP receive adapter is experiencing delays while responding to requests from HTTP clients. Further investigation may be required to diagnose the root-cause of the slowdown.
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