Report: Placeholder for LD preload tests

[csit.git] / docs / report / introduction / methodology_http_tcp_with_wrk.rst

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+HTTP/TCP with WRK
+-----------------
+
+`WRK HTTP benchmarking tool <https://github.com/wg/wrk>`_ is used for
+TCP/IP and HTTP tests of VPP Host Stack and built-in static HTTP server.
+WRK has been chosen as it is capable of generating significant TCP/IP
+and HTTP loads by scaling number of threads across multi-core processors.
+
+This in turn enables high scale benchmarking of the VPP Host Stack TCP/IP
+and HTTP service including HTTP TCP/IP Connections-Per-Second (CPS) and
+HTTP Requests-Per-Second.
+
+The initial tests are designed as follows:
+
+- HTTP and TCP/IP Connections-Per-Second (CPS)
+
+  - WRK configured to use 8 threads across 8 cores, 1 thread per core.
+  - Maximum of 50 concurrent connections across all WRK threads.
+  - Timeout for server responses set to 5 seconds.
+  - Test duration is 30 seconds.
+  - Expected HTTP test sequence:
+
+    - Single HTTP GET Request sent per open connection.
+    - Connection close after valid HTTP reply.
+    - Resulting flow sequence - 8 packets: >Syn, <Syn-Ack, >Ack, >Req,
+      <Rep, >Fin, <Fin, >Ack.
+
+- HTTP Requests-Per-Second
+
+  - WRK configured to use 8 threads across 8 cores, 1 thread per core.
+  - Maximum of 50 concurrent connections across all WRK threads.
+  - Timeout for server responses set to 5 seconds.
+  - Test duration is 30 seconds.
+  - Expected HTTP test sequence:
+
+    - Multiple HTTP GET Requests sent in sequence per open connection.
+    - Connection close after set test duration time.
+    - Resulting flow sequence: >Syn, <Syn-Ack, >Ack, >Req[1], <Rep[1],
+      .., >Req[n], <Rep[n], >Fin, <Fin, >Ack.