--- The replication and sharding seems pretty difficult and from reading the documentation feels like it might be pretty fragile. That's why trip.com replaced

--- The replication and sharding seems pretty difficult and from reading the documentation feels like it might be pretty fragile. That's why trip.com replaced Clickhouse with StarRocks, a free (open source) OLAP database that handles sharding beautifully to give you linear scalability, and better query performance for single table or joined queries.