JetBrains TeamCity × JetBrains IntelliJ Infrastructure Team
TeamCity x JetBrains IntelliJ, 30% faster builds at 158K per day
30% reduction in build execution time via build reuse
Overwhelmed by scale to streamlined CI/CD at 158K+ builds per day
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Why it works
The case study earns credibility by using the vendor's own internal team as the customer, which removes the usual anonymization problem and allows very specific numbers. The build reuse walkthrough with a concrete three-attempt retry example (329 builds, 10 fail, 6 more pass, 4 remain) gives readers an actionable mental model rather than vague claims. The inclusion of a candid limitations section on mute management and team-specific dashboards adds honesty that most vendor case studies strip out.
Steal this
The step-by-step retry scenario (first attempt: 329 builds run, 10 fail; second: 10 re-run, 325 reused; third: 4 re-run, 325 reused) makes an abstract efficiency claim concrete and verifiable. Use a worked numerical example to show mechanism, not just outcome.
Click to enlarge ↗ This is editorial commentary and curation. The case study, screenshot, and all metrics are JetBrains TeamCity's published work; we link to the source and lead with our analysis.