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JorgenRingen
/ KafkaConsumer.java
Created
July 25, 2019 08:48
Consume partition with initial offset using spring-boot-kafka
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| @KafkaListener(topics = KafkaSpringBootHelloWorldApplication.TOPIC_USERS, groupId = "${groupId}", | |
| topicPartitions = { | |
| @TopicPartition( | |
| topic = KafkaSpringBootHelloWorldApplication.TOPIC_USERS, | |
| partitionOffsets = @PartitionOffset(partition = "0", initialOffset = "0")) | |
| }) |
JorgenRingen
/ Outerjoin with windowing
Last active
October 2, 2020 10:33
Kafka joining streams/tables with windowing
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| package org.example.profiles | |
| import org.apache.kafka.clients.consumer.ConsumerConfig | |
| import org.apache.kafka.common.serialization.Serdes | |
| import org.apache.kafka.streams.KafkaStreams | |
| import org.apache.kafka.streams.StreamsBuilder | |
| import org.apache.kafka.streams.StreamsConfig | |
| import org.apache.kafka.streams.kstream.Consumed | |
| import org.apache.kafka.streams.kstream.JoinWindows | |
| import org.apache.kafka.streams.kstream.ValueJoiner |
JorgenRingen
/ KafkaConfig.kt
Created
February 11, 2021 16:10
Set topic-config for internal changelog-topics in kafka streams
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| streamsBuilder.addStateStore( | |
| Stores.keyValueStoreBuilder( | |
| Stores.persistentKeyValueStore("storeName"), | |
| Serdes.StringSerde(), | |
| JsonSerde<OrderV2>() | |
| ) | |
| .withCachingEnabled() | |
| .withLoggingEnabled( | |
| mapOf( | |
| RETENTION_MS_CONFIG to Duration.ofDays(30).toMillis().toString(), |
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