Posts tagged "metrics"

Why we love metrics? Learning with Lead time

Every time I think about indicators and metrics I remember a phrase from H. James Harrington that says: “Measurement is the first step that Leads to control and eventually to improvement. If you can’t measure something, you can’t understand it. If you can’t get it, you can’t control it. If you can’t control it, you … »

Power of the metrics: Don’t use average to forecast deadlines

Almost all project stakeholders are used to ask for deadlines when the subject is software development. Every time I face this type of question I usually answer something like this: — “Well, the only thing I know is that uncertainty is one of the few certainties about software development, so let’s look at the team’s … »

Rails Metrics: know what is happening inside your Rails 3 application

RailsMetrics is a new Rails engine which stores everything that is happening inside your application in the database, so you can profile each request, besides creating charts, statistics and extract useful information. I’ve been working on it for the last couple months in parallel with ActiveSupport::Notifications, which is the foundation for RailsMetrics, and it was … »