Supports Frequent Updates: The architecture is designed to work with OsmAnd’s hourly map updates, allowing routing to adapt to fresh road information.
$36 per month. Paid annually.。关于这个话题，Line官方版本下载提供了深入分析
Code dump for 2.16，这一点在体育直播中也有详细论述
https://documentdatabase.org/blog/json-performance-postgres-vs-mongodb/