[bithavoc]

What Clickhouse engines does CF uses?

[bithavoc]

I just re-read the blog post, is the Kafka engine in use at CF?

[dqminh]

We mostly use replicated MergeTree, SummingMergeTree, AggregatedMergeTree etc. And yes, we do use Kafka engine to consume directly from Kafka, in additions to standard Clickhouse inserters.