Tag: kafka Basic
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17 articles tagged kafka:
- Consumer lag in Kafka: measuring, alerting and fixing
- Event schema evolution: changing OrderPlaced without breaking four consumers
- Idempotent consumer: receiving duplicate messages without writing twice (Kafka, RabbitMQ)
- Integration tests with Testcontainers: a real Postgres, Redis and Kafka per run, without slowing CI to a crawl
- Kafka consumer groups and rebalance: eager, cooperative and KIP-848
- Kafka idempotent producer: retrying the same batch does not duplicate, a new send still can
- Kafka is a distributed log: topics, partitions and offsets
- Kafka message keys: per-order ordering exists only within one partition
- Kafka offset commit: before or after the side effect, and auto.offset.reset
- Kafka replication: how ISR, acks and min.insync.replicas protect data
- Kafka retention and log compaction: keep history or keep the latest state?
- Kafka Share Groups (Kafka Queues): many workers processing one partition
- Kafka transactions and "exactly once": output topic and offsets committed together
- Matching: is this event schema change backward, forward, full or breaking?
- Naming REST APIs, events, Kafka topics, env vars and git branches
- Retry topics and DLQ in Kafka: handling failing messages without blocking the partition
- Scenario: Kafka consumer lag climbs mid-campaign