IBM DevOps and Software Engineering case studies
IBM DevOps and Software Engineering · Put your knowledge to work in context.
The IBM DevOps and Software Engineering Professional Certificate is an IBM Digital Badge offered through IBM Training. According to IBM's badge page, IBM Training provides courses and quizzes that may qualify learners for an IBM Digital Badge, and badges are administered with the help of Credly, a third-party data processor authorized by IBM and located in the United States. The IBM DevOps and Software Engineering case studies are 5 cases and about 4,672 words.
1Monthly Release Train at Northwind Retail
Northwind Retail runs a 1.2M-line Java storefront with 11 teams. Releases go through a monthly train: code freeze on day 1, 40 manual regression steps, a change advisory board on day 3, and a production deploy window on day 5.
914 words, about 5 min2Mid-Sprint Scope Insertion on a Payments Team
A payments team of six runs two-week sprints and averages 42 completed story points. On day 4 of the current sprint, the product owner adds an "urgent, tiny" card-not-present fraud banner, estimated at 8 points, saying compliance needs it in three weeks.
934 words, about 5 min3Slow Monorepo Pipeline at Helios Logistics
Helios Logistics has a monorepo with 9 services and 1,400 tests. CI averages 52 minutes: 18 minutes building all Docker images even when only one service changed, 24 minutes running the full test suite serially, and 10 minutes of linting.
864 words, about 4 min4OOMKills and Probe Starvation on Kubernetes at Orbit Analytics
Orbit Analytics runs a Java service on Kubernetes: 6 replicas, CPU requests 250m with limits 500m, memory requests 512Mi with limits 1Gi, JVM flags -Xmx900m. During a daily 09:00 traffic spike, pods are OOMKilled roughly every six hours; kubectl shows last state terminated with reason OOMKilled, exit code 137.
979 words, about 5 min5Strangler Migration with a Shared Oracle Database at Fintrail
Fintrail has a 1.1M-line .NET monolith on a single Oracle database serving retail banking. Three teams deploy together every two weeks, and any schema change requires a joint release.
981 words, about 5 min