Can you please describe a complex technical issue you encountered recently and how you resolved it?

When faced with a complex technical issue in my recent projects, I encountered a challenging situation where the database server was not responding, causing critical downtime for the application. To resolve this issue, I followed a systematic approach:

1. Identification of the problem: I performed a thorough analysis to understand the root cause of the database server unresponsiveness.
2. Troubleshooting steps: I checked the server logs, network connections, and server resources to identify any anomalies.
3. Collaboration with team members: I communicated with the database administrator and developers to gather more insights into the issue.
4. Implementing a temporary solution: To mitigate the downtime, I redirected the application to a backup server while investigating the main server problem.
5. Resolution: After extensive troubleshooting and analysis, I discovered that the issue was caused by a misconfiguration in the database settings. I reconfigured the settings, performed rigorous testing, and successfully restored the database server functionality.

By effectively troubleshooting and collaborating with team members, I was able to resolve this complex technical issue promptly and ensure the seamless operation of the application.