> ... why this kind of data and/or problems require specific software and why it can't be handled by traditional RDBMs? There's Tgres, that stores time series

> ... why this kind of data and/or problems require specific software and why it can't be handled by traditional RDBMs? There's Tgres, that stores time series in Postgres, efficiently (using Postgres arrays and views): https://github.com/tgres/tgres https://github.com/tgres/tgres https://grisha.org/blog/2017/01/21/storing-time-seris-in-postgresql-optimize-for-write/ https://grisha.org/blog/2017/01/21/storing-time-seris-in-pos...