The tutorial steps assume a fresh Ubuntu The results were obtained from a MB droplet. Next, create the user that will manage Ruby. The Ruby Version Manager makes it easy to work with different Ruby environments. It takes care of the process of installing specific Ruby versions and isolating gemsets. It is currently installed by running a bash script from their website. If you want, you can put it in your.
You can verify that the rvm script is being used by checking the head of type. It should be a function and not hashed. Next, install Ruby 2. Since RVM builds Ruby from source, this step may take a while. Benchmark In Progress. Here we can see the benchmark in progress. Ab-viz lets you execute the benchmark multiple times so that the results aren't skewed. Ab-viz shows you a progress bar with the number of requests that have been completed. Benchmark Summary. The summary tab shows the output of Apache Bench.
Default is 30 seconds. This implies a -n internally. Use this to benchmark the server within a fixed total amount of time. Per default there is no timelimit. Default table is two columns wide, with a white background. Output The following list describes the values returned by ab : Server Software The value, if any, returned in the server HTTP header of the first successful response. If no port is given on the command line, this will default to 80 for http and for https. This will only be printed if SSL is used.
Document Length This is the size in bytes of the first successfully returned document. If the document length changes during testing, the response is considered an error. Concurrency Level The number of concurrent clients used during the test Time taken for tests This is the time taken from the moment the first socket connection is created to the moment the last response is received Complete requests The number of successful responses received Failed requests The number of requests that were considered a failure.
If the number is greater than zero, another line will be printed showing the number of requests that failed due to connecting, reading, incorrect content length, or exceptions. Write errors The number of errors that failed during write broken pipe. Non-2xx responses The number of responses that were not in the series of response codes. If all responses were , this field is not printed.
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