java - Kafka Best Practices + how to set recommended setting for …
2018年5月25日 · As you mentioned, -Xmx8G -Xms8G should be set using KAFKA_HEAP_OPTS. For the other configurations you listed, you should probably use KAFKA_JVM_PERFORMANCE_OPTS.
Java, How to get number of messages in a topic in apache kafka
2023年10月12日 · $ kafka-run-class kafka.tools.GetOffsetShell \ --broker-list host01:9092,host02:9092,host02:9092 --topic kt That prints the sample output showing the count of messages in the three partitions: kt:2:6138 kt:1:6123 kt:0:6137
java - kafka get partition count for a topic - Stack Overflow
2016年2月17日 · In Java, This would return List <org.apache.kafka.common.PartitionInfo> How to get number of partitions for "TopicName"? Would it be producer.partitionsFor("TopicName").size() – Aditya Jain
Kafka - Confluent - Java Version Support - Stack Overflow
2018年10月2日 · So far I have seen conflicting documentations. For example: In Apache Kafka Documentation page it says: Java 1.8, however in their release notes for v2.0 I see the bug fixes and improvement like: [KAFKA-6855] - Kafka fails to start with Java 10 due to faulty Java version detection [KAFKA-5907] - Support aggregatedJavadoc in Java 9
java - understanding consumer group id - Stack Overflow
I did fresh installation of Apache Kafka 0.10.1.0. I was able to send / receive messages on command prompt. While using Producer / Consumer Java Example, I am not able to know group.id paramete...
python vs java for kafka implementation - Stack Overflow
2016年3月31日 · Just one quick question, there seem to be a lot of courses which teach kafka and other apache stack in Java, that actually made me assume that native language implementation helps performance. So, according to your answer, all you are saying that kafka-python and other clients are simply communicators and have less to do with actual backend …
java - How to check whether Kafka Server is running? - Stack …
kafkacat -b <your-ip-address>:<kafka-port> -t test-topic Replace <your-ip-address> with your machine ip <kafka-port> can be replaced by the port on which kafka is running. Normally it is 9092; once you run the above command and if kafkacat is able to make the connection then it means that kafka is up and running
How to create a Topic in Kafka through Java - Stack Overflow
2014年11月20日 · I want to create a topic in Kafka (kafka_2.8.0-0.8.1.1) through java. It is working fine if I create a topic in command prompt, and If I push message through java api. But I want to create a topic through java api. After a long search I found below code,
how to set up ACL on a kafka topic using java api?
2020年1月6日 · I am trying to set up acl on Apache Kafka topics through Java. I came across the setAcl() method present in Kafka admin client. But not sure how to use it. I have a Kafka cluster set up with 3 brokers and acl is applied on it ( server side ). I need to implement it in java on client side ( I have the required client certificates ).
How to get topic list from kafka server in Java - Stack Overflow
2017年11月27日 · A good place to start would be the sample shell scripts shipped with Kafka. In the /bin directory of the distribution there's some shell scripts you can use, one of which is ./kafka-topic-list.sh If you run that without specifying a topic, it will return all topics with their metadata.