Web server log file parser example in node.js

A sample code for parsing server log file. This parser will parse each line in log file to extract following criteria

• The number of times the URL was called.
• The mean (average), median and mode of the response time (connect time + service time).
• The "dyno" that responded the most.

Sample parsed data of single URL

Endpoint: /api/users/{user_id}/count_pending_messages/
Count: 2430
Mean: 25
Median: 15
Mode: 11
Dyno: web.2

A sample web server log file and test log file with small set of entries is available in test directory for unit testing is available in repository.

To run the parser

$ node start.js

To run unit testing

$ node test/test.js

To Viewer

Please review and contact me with your suggestions or make your changes in repo with pull request.