My LightSail Bitnami LAMP is too slow and at times unresponsive

The slowness and unresponsiveness you're experiencing with your new Lightsail Bitnami LAMP instance could be related to CPU usage and the burstable performance model that Lightsail uses. Here are some potential reasons and solutions:

1. CPU Usage: Lightsail instances have a baseline CPU performance with the ability to burst above that baseline for short periods. If your instance consistently consumes more CPU than the plan provides as a baseline, it can lead to performance issues, including slowdowns and unresponsiveness.

2. Burst Credits: When your CPU usage exceeds the baseline, it consumes burst credits. Once these credits are depleted, the instance's performance drops to the baseline level, which can cause slowdowns.

3. Resource Intensive Tasks: Even if you haven't changed anything, there might be background processes, updates, or periodic tasks consuming more resources than expected.

4. External Factors: Increased traffic or automated access attempts could be putting additional load on your instance.

To address these issues:

1. Monitor your instance: Use Lightsail's built-in monitoring tools to check CPU usage and burst capacity. This can help you identify if you're consistently exceeding your baseline performance.

2. Optimize your application: Look for ways to reduce resource consumption, such as disabling unnecessary plugins or optimizing database queries.

3. Consider upgrading: If your workload consistently requires more resources, you might need to upgrade to a larger Lightsail plan with higher baseline performance and more CPU credits.

4. Check for unusual activity: Review your logs for any unexpected traffic or processes that might be consuming resources.

It's unlikely that AWS has generally limited resources or that there's a temporary difficulty affecting all instances. The issue is more likely related to your specific instance and its workload. If the problem persists, you may want to contact AWS support for more detailed assistance.

Sources
My LightSail Bitnami LAMP instance crashing | AWS re:Post
Lightsail timing response very slow | AWS re:Post
AWS lightsail need reboot every ten hours | AWS re:Post

How do you contact AWS support, what's the price for support?