Software at Scale
Software at Scale
Software at Scale 10 - David Cramer: CTO, Sentry

Software at Scale 10 - David Cramer: CTO, Sentry


David Cramer is the co-founder and CTO of Sentry, a monitoring platform helps every developer diagnose, fix, and optimize the performance of their applications. Before this, he worked at Dropbox and Disqus.

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We discuss the evolution of Sentry from both a technical and business perspective: the architecture, some outages, hiring, improving the customer experience, and more.


Notes are highlighted

0:00 - The history of Sentry

10:00 - The initial architecture of Sentry. It started off as a Django plugin, and would write to the production database.

12:10 - Keeping software simple.

14:39 - The scalability of PostgreSQL. MVCC.

19:00 - Sharding databases (or not) at Sentry. Multi-tenancy of customer’s exceptions. The overkill nature of most solutions.

23:30 - Transaction ID Wraparound - the source of Sentry’s largest outage. Customer reactions to large outages. Robinhood and Gamestop.

35:00 - Scaling out engineering quality when hiring more engineers. Hiring engineers in charge of developer productivity. Setting engineering culture, and making an impact as the CTO.

44:30 - Challenges while growing out the company to more than a hundred employees and over a million users

47:00 - Hiring outside of your network, and managing attrition.

54:30 - Transitioning from CEO to CTO

66:00 - Maintaining transparency with customers in a devops company

68:00 - The evolution of developer tools companies in the last few years.

Software at Scale
Software at Scale
Software at Scale is where we discuss the technical stories behind large software applications.