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so this is basically Russian Cassandra? Written in C, not Java. Enough for me; will test it.
by vegabook 10y ago
so this is basically Russian Cassandra? Written in C, not Java. Enough for me; will test it.
- flr_null 10y agoNo, it's actually not. Cassandra is not columnar db. It means if you need all user_id from your table Cassandra will scan all your data (e.g. 10PB) on disks. But ClickHouse will only scan 1 column file (e.g. 10GB). ClickHouse is Russian Kudu.