code quality

quality code

• flexible
• testable
• readable

quality metrics

development process efficiency measures

Fault feedback ratio (FFR) - Number of injected bugs over number of resolved bugs. In healthy projects, this measure should be less than 0.3

Average defect density - Number of defects per code size unit, averaged for all changes in an iteration.

Average cost of one change per size unit -

Ripple effect (aka change impact) - Number of touched methods per change.

Open questions

1. How to merge incompateble change from release to develop?
2. How to rollback storage procedure when rollback release directory?

• Don't use storage procedure (we don't need rollback it)

3. How to create unplaned release (liquebase) and deploy it to dev/int/uat. (Rollback not requere change and apply release)
4. How to sync liquebase dir name with release verion in development process.