How to Create a High-Traffic Laravel App (Practical Guide)

This README provides a comprehensive guide for building and maintaining a Laravel application designed to handle high traffic, particularly in scenarios involving real-time voting or similar activities. Here's a breakdown of the key points:

1. Ensure Voting Integrity

• Throttle Requests: Use rate limiting to prevent abuse.
• Cache Locking: Implement cache locks (Cache::lock) to ensure that only one vote is processed at a time per user, preventing duplicates.
• Database Transactions: Wrap voting logic in transactions to maintain data integrity and consistency.
• Unique Constraints: Enforce unique constraints on the database to prevent duplicate votes.

2. Maintain Cache Purposefulness

• Cached Poll IDs: Use CachedPollIds to keep track of active polls that need to be cached.
• Surgical Updates: Update specific parts of the cache rather than flushing everything, ensuring efficiency and accuracy.
• Observers: Implement observers (PollObserver) to automatically update caches when polls are created or modified.

3. Broadcast After Reality Matches

• Inertia.js Subscriptions: Ensure both Show.vue (for public voting) and Results.vue (for admin views) subscribe to real-time updates.

Read the full article at DEV Community

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