~/talk

Bazel build analytics

on YouTube 11m
Talkat BazelCon 2023 · 2023-10-24..10-25· [data-visualization]

speakers

name:Sahithya Vemuri
links:none on file
name:Shishir Kumar
links:none on file

resources

video:https://youtu.be/-DMvVjcihq8
slides:none on file

summary

ThoughtSpot ingests Bazel build and test logs into a DB and produces dashboards and ad-hoc answers that tie metrics to concrete causes: cache hit rate down since July correlates with longer builds, average total actions +20% since Sep (one test alone adds ~7% of that), critical-path ratio rises since May, and per-target bar charts expose the slowest invokes. The system uses an open-source Bazel C++ repo to generate metrics, surfaces test-level cache hit and flaky rates, and can map flakiness or failures back to specific commit SHAs.

AI-written summary · about

chapters (9)

  1. 0:00Bazel build analytics intro
  2. 1:47Key metrics for insights
  3. 2:53Demo: cache hit rate trends
  4. 4:59Critical path duration
  5. 5:41Build pass/fail & resources
  6. 6:23Slowest build targets
  7. 7:08Test duration & flakiness
  8. 8:57Custom dashboards & insights
  9. 9:47Setup & implementation

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