What are common anti-patterns for Progressive delivery?

Progressive delivery is an important concept in modern software development, allowing for the gradual rollout of new features to minimize risk. However, there are common anti-patterns that can hinder the effectiveness of this approach. Below are some of these anti-patterns along with examples.

1. Feature Toggles Mismanagement

Improper use of feature toggles can lead to complex codebases and difficulties in tracking which features are active. This can slow down development and increase the risk of bugs.

// Example of poor feature toggle management if ($featureToggle->isEnabled('newFeature')) { // New feature logic } else { // Old feature logic } // Mixing feature toggles with business logic leads to confusion

2. Lack of Metrics and Monitoring

Without proper metrics and monitoring in place, it is challenging to assess the impact of new features as they are rolled out. This can lead to making uninformed decisions based on incomplete data.

// Example: Missing monitoring for a new feature rollout // Ensure you have proper tracking in place if ($featureToggled) { logFeatureUsage('newFeature'); // Feature logic here } // Lack of logging means you cannot measure success!

3. Rolling Back Features

Failing to plan for rollbacks can lead to prolonged downtime and user dissatisfaction. A robust rollback strategy is essential in progressive delivery.

// Example of inadequate rollback handling try { deployNewFeature(); } catch (Exception $e) { // Without proper rollback, the feature is stuck // Handle rollback manually - inefficient manualRollback(); }

Progressive Delivery DevOps Feature Toggles Metrics Rollbacks Software Development

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