When your distributed database system slows down, finding the root cause efficiently is crucial. Here's how you can tackle it:

• Monitor system logs: Check logs for error messages or patterns that could indicate underlying issues.

• Analyze query performance: Use tools to identify slow queries and optimize them by adjusting indexes or rewriting the queries.

• Check network health: Ensure your network is functioning correctly to avoid latency issues.

What strategies have you found effective for isolating database performance issues?