83 lines
1.9 KiB
Markdown
83 lines
1.9 KiB
Markdown
#### 1. 启动Kakfa
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Kafka的运行依赖于zookeeper，需要预先启动，可以启动Kafka内置的zookeeper,也可以启动自己安装的。
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```shell
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# zookeeper启动命令
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bin/zkServer.sh start
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# 内置zookeeper启动命令
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bin/zookeeper-server-start.sh config/zookeeper.properties
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```
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启动单节点kafka用于测试：
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```shell
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# bin/kafka-server-start.sh config/server.properties
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```
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#### 2. 创建topic
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```shell
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# 创建用于测试主题
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bin/kafka-topics.sh --create \
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--bootstrap-server hadoop001:9092 \
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--replication-factor 1 --partitions 1 \
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--topic Hello-Kafka
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# 查看所有主题
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bin/kafka-topics.sh --list --bootstrap-server hadoop001:9092
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```
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#### 3. 启动消费者
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启动一个控制台消费者用于观察写入情况，启动命令如下：
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```shell
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# bin/kafka-console-consumer.sh --bootstrap-server hadoop001:9092 --topic Hello-Kafka --from-beginning
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```
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```shell
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topic=Hello-Kafka, partition=0, offset=40
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topic=Hello-Kafka, partition=0, offset=41
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topic=Hello-Kafka, partition=0, offset=42
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topic=Hello-Kafka, partition=0, offset=43
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topic=Hello-Kafka, partition=0, offset=44
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topic=Hello-Kafka, partition=0, offset=45
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topic=Hello-Kafka, partition=0, offset=46
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topic=Hello-Kafka, partition=0, offset=47
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topic=Hello-Kafka, partition=0, offset=48
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topic=Hello-Kafka, partition=0, offset=49
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```
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```shell
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bin/kafka-topics.sh --create \
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--bootstrap-server hadoop001:9092 \
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--replication-factor 1 --partitions 2 \
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--topic Kafka-Partitioner-Test
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```
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```shell
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score:6, partition=1,
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score:7, partition=1,
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score:8, partition=1,
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score:9, partition=1,
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score:10, partition=1,
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score:0, partition=0,
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score:1, partition=0,
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score:2, partition=0,
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score:3, partition=0,
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score:4, partition=0,
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score:5, partition=0,
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分区器关闭
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```
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