TDengine is an open-source, cloud-native time-series database optimized for Internet of Things (IoT), Connected Cars, and Industrial IoT. With its built-in caching, stream processing, and data subscription capabilities, TDengine offers a simplified solution for time-series data processing. If you're experiencing problems installing TDengine, check the file /var/log/taos/tdengine_install.log to help troubleshoot the installation.