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diff --git a/doc/h2load.h2r b/doc/h2load.h2r new file mode 100644 index 0000000..50d9977 --- /dev/null +++ b/doc/h2load.h2r @@ -0,0 +1,120 @@ +.. _h2load-1-output: + +OUTPUT +------ + +requests + total + The number of requests h2load was instructed to make. + started + The number of requests h2load has started. + done + The number of requests completed. + succeeded + The number of requests completed successfully. Only HTTP status + code 2xx or3xx are considered as success. + failed + The number of requests failed, including HTTP level failures + (non-successful HTTP status code). + errored + The number of requests failed, except for HTTP level failures. + This is the subset of the number reported in ``failed`` and most + likely the network level failures or stream was reset by + RST_STREAM. + timeout + The number of requests whose connection timed out before they were + completed. This is the subset of the number reported in + ``errored``. + +status codes + The number of status code h2load received. + +traffic + total + The number of bytes received from the server "on the wire". If + requests were made via TLS, this value is the number of decrypted + bytes. + headers + The number of response header bytes from the server without + decompression. The ``space savings`` shows efficiency of header + compression. Let ``decompressed(headers)`` to the number of bytes + used for header fields after decompression. The ``space savings`` + is calculated by (1 - ``headers`` / ``decompressed(headers)``) * + 100. For HTTP/1.1, this is usually 0.00%, since it does not have + header compression. For HTTP/2, it shows some insightful numbers. + data + The number of response body bytes received from the server. + +time for request + min + The minimum time taken for request and response. + max + The maximum time taken for request and response. + mean + The mean time taken for request and response. + sd + The standard deviation of the time taken for request and response. + +/- sd + The fraction of the number of requests within standard deviation + range (mean +/- sd) against total number of successful requests. + +time for connect + min + The minimum time taken to connect to a server including TLS + handshake. + max + The maximum time taken to connect to a server including TLS + handshake. + mean + The mean time taken to connect to a server including TLS + handshake. + sd + The standard deviation of the time taken to connect to a server. + +/- sd + The fraction of the number of connections within standard + deviation range (mean +/- sd) against total number of successful + connections. + +time for 1st byte (of (decrypted in case of TLS) application data) + min + The minimum time taken to get 1st byte from a server. + max + The maximum time taken to get 1st byte from a server. + mean + The mean time taken to get 1st byte from a server. + sd + The standard deviation of the time taken to get 1st byte from a + server. + +/- sd + The fraction of the number of connections within standard + deviation range (mean +/- sd) against total number of successful + connections. + +req/s + min + The minimum request per second among all clients. + max + The maximum request per second among all clients. + mean + The mean request per second among all clients. + sd + The standard deviation of request per second among all clients. + server. + +/- sd + The fraction of the number of connections within standard + deviation range (mean +/- sd) against total number of successful + connections. + +FLOW CONTROL +------------ + +h2load sets large flow control window by default, and effectively +disables flow control to avoid under utilization of server +performance. To set smaller flow control window, use :option:`-w` and +:option:`-W` options. For example, use ``-w16 -W16`` to set default +window size described in HTTP/2 protocol specification. + +SEE ALSO +-------- + +:manpage:`nghttp(1)`, :manpage:`nghttpd(1)`, :manpage:`nghttpx(1)` |