May SF Metrics Meetup!

Time Series Visualization

Mike Bostock - Square

Designing effective visualizations for time series data is more
difficult than it looks. Many existing tools do not follow best
practices, and as a result poorly facilitate insight. This talk will
discuss common pitfalls and present various techniques for better
presentation and exploration of metrics in modern browsers.

 

Digging Deep with ActiveSupport::Notifications

Matt Sanders - Librato

Rails 3 and above includes a powerful instrumentation system, ActiveSupport::Notifications, which can be used to track performance and event information for all aspects of your application. Notifications are light-weight, easy to setup, and can be consumed by multiple subscribers(logs, audit trails, consolidated metrics, other parts of your application).

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Rafaël

We just grab a coffee and speak French. Some people have been coming every week for months... it creates a kind of warmth to the group.

Rafaël, started French Conversation Group

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