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Problem

The current implementation of the analytics increment method is susceptible to race conditions. In high-concurrency situations, this could lead to duplicate rows being created instead of proper increments.

Solution

Added database row-level locking using lockForUpdate() within a transaction to ensure atomic operations:

  • Used lockForUpdate() to prevent concurrent access to the same analytics row
  • Wrapped operations in a transaction for atomicity
  • Added proper locking when checking max analytics limit

Changes

  • Modified increment() method in DatabaseAnalyticsRepository to use transactions and row-level locking
  • Ensures only one row is created even with concurrent requests
  • Maintains existing functionality while fixing the race condition

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