kafka consumer group

/envpython#-*-coding:utf-8-*-importsysfromkafka importkafkaconsumerimportjson__metaclass__=typeclassconsumer: def__init__ (self,kafkaserver= ' 127.0.0.1 ', kafkaport= ' 9092 ', groupid= ' TestGroup ', clientid= "Test", topic= ' test '): "" " is used to set up consumer configuration information, which can be found in the source code, and the following are the necessary parameters. :p Aramkafkaserver:kafka Server ip :p Aramkafkaport:kafka Work Port :P

Each consumer instance belongs to a consumer group, and each message is consumed only by one consumer instance in the same consumer group. (different consumer

Problems encountered on the Internet, think of the use of existing APIs can still be achieved.First, you need to introduce Kafka server-side code, such as adding Kafka 1.0.0 dependencies:MavenGradleCompile group: ' Org.apache.kafka ', Name: ' kafka_2.12 ', version: ' 1.0.0 'Then write a method that gets all the group s

Based on the rebalance strategy of partition and consumer, find the Kafka.client rebalance code block, restore the local environment, track debugging, discover the custom consumer Group Consumer are not assigned to Partionid, such as,Based on this, the basic can be located to different groups