Inferring Schema from AvroConfluent Messages in Kafka for ClickHouse
Learn how to define Kafka table structures in ClickHouse by using Avro’s schema registry & sample message.
Kafka
git log -- contrib/librdkafka | git name-rev --stdin
| ClickHouse version | librdkafka version |
|---|---|
| 21.10+ (#27883) | 1.6.1 + snappy fixes + boring ssl + illumos_build fixes + edenhill#3279 fix |
| 21.6+ (#23874) | 1.6.1 + snappy fixes + boring ssl + illumos_build fixes |
| 21.1+ (#18671) | 1.6.0-RC3 + snappy fixes + boring ssl |
| 20.13+ (#18053) | 1.5.0 + msan fixes + snappy fixes + boring ssl |
| 20.7+ (#12991) | 1.5.0 + msan fixes |
| 20.5+ (#11256) | 1.4.2 |
| 20.2+ (#9000) | 1.3.0 |
| 19.11+ (#5872) | 1.1.0 |
| 19.5+ (#4799) | 1.0.0 |
| 19.1+ (#4025) | 1.0.0-RC5 |
| v1.1.54382+ (#2276) | 0.11.4 |
Setting the background message broker schedule pool size
Guide to managing the background_message_broker_schedule_pool_size setting for Kafka, RabbitMQ, and NATS table engines in your database.
Multiple MVs attached to Kafka table
How Multiple MVs attached to Kafka table consume and how they are affected by kafka_num_consumers/kafka_thread_per_consumer