查看kafka基本信息命令

将miner-profit topic副本由一个增加到3个

replication.json

{
    "version": 1, 
    "partitions": [
        {
            "topic": "miner-profit", 
            "partition": 0, 
            "replicas": [
                1, 
                2, 
                3
            ]
        },
        {
            "topic": "miner-profit", 
            "partition": 1, 
            "replicas": [
                1, 
                2, 
                3
            ]
        },
        {
            "topic": "miner-profit",
            "partition": 2,
            "replicas": [
                1,
                2,
                3
            ]
        }
    ]
}

执行命令

../kafka1/bin/kafka-reassign-partitions.sh --zookeeper dev1.xiayu.com:2181,dev2.xiayu.com:2182,dev3.xiayu.com:2183 --reassignment-json-file replication.json --execute

查看所有topic

./kafka1/bin/kafka-topics.sh --list --zookeeper dev1.xiayu.com:2181,dev2.xiayu.com:2182,dev3.xiayu.com:2183

创建topic

./kafka1/bin/kafka-topics.sh --zookeeper dev1.xiayu.com:2181,dev2.xiayu.com:2182,dev3.xiayu.com:2183 --create --replication-factor 2 --partitions 2 --topic user-login

删除topic

./kafka1/bin/kafka-topics.sh --zookeeper dev1.xiayu.com:2181,dev2.xiayu.com:2182,dev3.xiayu.com:2183 --delete --topic user-regisger

增加topic分区数目

./kafka1/bin/kafka-topics.sh --alter  --zookeeper dev1.xiayu.com:2181,dev2.xiayu.com:2182,dev3.xiayu.com:2183  --topic miner-profit  --partitions 3 

查看topic分区信息

./kafka1/bin/kafka-topics.sh --describe --zookeeper dev1.xiayu.com:2181,dev2.xiayu.com:2182,dev3.xiayu.com:2183 --topic miner-profit

查看一个topic中的所有消息

./kafka1/bin/kafka-console-consumer.sh --bootstrap-server dev1.xiayu.com:9092,dev2.xiayu.com:9093,dev3.xiayu.com:9094 --topic miner-profit --from-beginning

查看所有消费者组

./kafka1/bin/kafka-consumer-groups.sh --list --bootstrap-server dev1.xiayu.com:9092,dev2.xiayu.com:9093,dev3.xiayu.com:9094

查看消费者组消费情况

./kafka1/bin/kafka-consumer-groups.sh --bootstrap-server dev1.xiayu.com:9092,dev2.xiayu.com:9093,dev3.xiayu.com:9094 --group xiayu-consumer-group --describe

cmak 启动

./cmak-3.0.0.5/bin/cmak -Dconfig.file=./cmak-3.0.0.5/conf/application.conf -Dhttp.port=8333

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