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Create reports based on your log files. Supports Rails, Apache, MySQL, Delayed::Job, and other formats.
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README.rdoc

Request-log-analyzer

This is a simple command line tool to analyze request log files in various formats to produce a performance report. Its purpose is to find what actions are best candidates for optimization.

  • Analyzes log files. Currently supports: Amazon S3, Apache, Delayed::Job, Merb, Mysql, PostgreSQL, Rack, Rails and more.

  • Combines multiple files and decompresses compressed files, which comes in handy if you are using logrotate.

  • Uses several metrics, including cumulative request time, mean request time, process blockers, database and rendering time, HTTP methods and statuses, Rails action cache statistics, etc.) (Sample output: github.com/wvanbergen/request-log-analyzer/wiki/sample-output)

  • Runs on any MRI 1.9+ compatible Ruby, has a low memory footprint and is reasonably fast, so it is safe to run on a production server.

See the project wiki at github.com/wvanbergen/request-log-analyzer/wiki for documentation and additional information.

Installation & basic usage

Install request-log-analyzer as a Ruby gem (you might need to run this command as root by prepending sudo to it):

$ gem install request-log-analyzer

To analyze a Rails log file and produce a performance report, run request-log-analyzer like this:

$ request-log-analyzer log/production.log

For more details, other file formats, and available command line options, see the project's wiki at github.com/wvanbergen/request-log-analyzer/wiki

Additional information

Request-log-analyzer was designed and built by Willem van Bergen and Bart ten Brinke.

Do you have a rails application that is not performing as it should? If you need an expert to analyze your application, feel free to contact either Willem van Bergen (willem@railsdoctors.com) or Bart ten Brinke (bart@railsdoctors.com).

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