warning supabase Lock acquisition timed out after 0ms

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Summary

The Supabase Lock Acquisition Timed Out error occurs when the system attempts to acquire a lock, but the operation times out before it can be completed. This warning is typically seen in React Native applications that utilize Supabase for data management. The error message suggests increasing the lockAcquireTimeout or checking for stuck operations as potential solutions.

Root Cause

The root cause of this warning is often related to:

  • Concurrent operations competing for the same lock
  • Insufficient timeout values for lock acquisition
  • Stuck or long-running operations holding onto locks for extended periods
  • Incorrect usage of Supabase transactions or lock management

Why This Happens in Real Systems

In real-world systems, this warning can occur due to:

  • High traffic or concurrent user activity leading to increased lock contention
  • Inefficient database queries or transaction management causing locks to be held for longer than necessary
  • Network latency or connection issues affecting the lock acquisition process

Real-World Impact

The impact of this warning can be significant, including:

  • Performance degradation due to delayed or failed operations
  • Data inconsistencies resulting from concurrent modifications
  • User frustration caused by slow or unresponsive applications

Example or Code (if necessary and relevant)

import { createClient } from '@supabase/supabase-js';

const supabaseUrl = 'https://your-supabase-url.supabase.co';
const supabaseKey = 'your-supabase-key';
const supabaseSecret = 'your-supabase-secret';

const supabase = createClient(supabaseUrl, supabaseKey, supabaseSecret, {
  lockAcquireTimeout: 30000, // 30-second timeout
});

How Senior Engineers Fix It

Senior engineers address this warning by:

  • Increasing the lockAcquireTimeout to a reasonable value
  • Implementing efficient transaction management and lock handling
  • Optimizing database queries to reduce lock contention
  • Monitoring system performance and adjusting configuration as needed

Why Juniors Miss It

Junior engineers may overlook this warning due to:

  • Lack of understanding about lock management and transaction handling
  • Insufficient experience with high-traffic or concurrent systems
  • Inadequate testing or debugging of edge cases and error scenarios