November 2022 Summaries

The 2022 Bazelcon conference took place in New York City, featuring prominent speakers from companies such as Lyft, Spotify, Tesla, and Slack. Highlights included a preview of BuildBuddy 3.0, presentations by six BuildBuddy Enterprise customers, a co-hosted happy hour with Google Cloud, discussions on rules_xcodeproj integration, and the distribution of BuildBuddy merchandise. The event allowed for in-person meetings with many incredible customers and open source contributors.

Buildbuddy uses ClickHouse to analyze trends across millions of builds. The Trends page displays information about Bazel invocations such as build duration and cache hit rate. Initially, MySQL was used for data aggregation but performance issues arose with large numbers of builds. ClickHouse, a column-based database, improved query performance significantly compared to MySQL. Data migration from MySQL to ClickHouse involved ensuring accuracy and consistency before enabling the Trends page to read from ClickHouse. Future plans include providing more analytical insights into builds, targets, tests, and remote execution.