Clever Engineering Blog — Always a Student

resiliency

Evolving Systems for New Products

By Michael Gao on

When building systems for new products, there’s a delicate balance between writing code that works and writing code that lasts. A common anti-pattern is preemptively optimizing systems for the future while still trying to find product market fit. For new product teams, this can be a costly mistake as it leads to a slower iterative […]

Clever SSO Resiliency — October 2018 Update

By Ben Adida on

Everyone in the US is now back in school, and we’ve been feeling the rush of excitement here at Clever over the last few weeks. On a typical day at Clever this school year, we regularly hit more than 1,000 logins per second! As we’ve chronicled over the last few months (July, May) , the […]

Clever SSO Reliability — July 2018 Update

By Ben Adida on

Over the last few months, we’ve been readying Clever SSO for our biggest year ever. We want students across the country logging in quickly and reliably to all of their learning applications. A couple of months ago, we described our initial stress testing approach. In this post, we want to tell you more about this […]

Clever Reliability — May 2018 Update

By Ben Adida on

Two months ago, we experienced the worst outage in the history of Clever SSO. We wrote up a postmortem soon afterwards. We mentioned at the time that this postmortem was the beginning of our process to reevaluate everything we do to make sure we can be worthy of the trust you place in us. We […]