A New Choice of Column DBMS
Hadoop was developed 13 years ago. Its suppliers have been enthusiastic about offering open-source plug-ins, as well as technical solutions. This, on one hand, has resolved the problems of users, while it has also led to the high cost of maintenance, thus Hadoop gradually lost its share of the market. Users are calling for a simple and scalable database at a low cost, therefore the column DDBs got increased attention.
Brief Intro to ClickHouse
ClickHouse is an open-source database by the owner of Yandex, Russia's largest search engine. It has an enhanced performance compared to many commercial MPP databases, such as Vertica or InfiniDB. ClickHouse has gained increased popularity among companies besides Yandex, for the ordinary analytical business which is more structured and has fewer data changes, they can be put into flat tables and into ClickHouse thereafter.