Usage: hey [options...] <url>Options:  -n  Number of requests to run. Default is 200.  -c  Number of workers to run concurrently. Total number of requests cannot      be smaller than the concurrency level. Default is 50.  -q  Rate limit, in queries per second (QPS) per worker. Default is no rate limit.  -z  Duration of application to send requests. When duration is reached,      application stops and exits. If duration is specified, n is ignored.      Examples: -z 10s -z 3m.  -o  Output type. If none provided, a summary is printed.      "csv" is the only supported alternative. Dumps the response      metrics in comma-separated values format.  -m  HTTP method, one of GET, POST, PUT, DELETE, HEAD, OPTIONS.  -H  Custom HTTP header. You can specify as many as needed by repeating the flag.      For example, -H "Accept: text/html" -H "Content-Type: application/xml" .  -t  Timeout for each request in seconds. Default is 20, use 0 for infinite.  -A  HTTP Accept header.  -d  HTTP request body.  -D  HTTP request body from file. For example, /home/user/file.txt or ./file.txt.  -T  Content-type, defaults to "text/html".  -a  Basic authentication, username:password.  -x  HTTP Proxy address as host:port.  -h2 Enable HTTP/2.  -host	HTTP Host header.  -disable-compression  Disable compression.  -disable-keepalive    Disable keep-alive, prevents re-use of TCP                        connections between different HTTP requests.  -disable-redirects    Disable following of HTTP redirects  -cpus                 Number of used cpu cores.                        (default for current machine is 8 cores)