kafka命令列操作

2021-10-10 13:07:21 字數 1473 閱讀 4213

1)檢視當前伺服器中的所有topic

[atguigu@hadoop102 kafka]$ bin/kafka-topics.sh --zookeeper

hadoop102:2181 --list

2)建立topic

[atguigu@hadoop102 kafka]$ bin/kafka-topics.sh --zookeeper

hadoop102:2181 --create --replication-factor 3 --partitions 1

--topic first

選項說明:

–topic 定義topic名

–replication-factor 定義副本數

–partitions 定義分割槽數

3)刪除topic

[atguigu@hadoop102 kafka]$ bin/kafka-topics.sh --zookeeper

hadoop102:2181 --delete --topic first

4)傳送訊息

[atguigu@hadoop102 kafka]$ bin/kafka-console-producer.sh 

--broker-list hadoop102:9092 --topic first

hello world

atguigu atguigu

5)消費訊息

[atguigu@hadoop102 kafka]$ bin/kafka-console-consumer.sh \

--bootstrap-server hadoop102:9092 --topic first

[atguigu@hadoop102 kafka]$ bin/kafka-console-consumer.sh \

--bootstrap-server hadoop102:9092 --

from

-beginning --topic first

–from-beginning:會把主題中現有的所有的資料都讀取出來。

6)檢視某個topic的詳情

[atguigu@hadoop102 kafka]$ bin/kafka-topics.sh 

--zookeeper hadoop102:2181 --describe –

-topic first

7)修改分割槽數

[atguigu@hadoop102 kafka]$ bin/kafka-topics.sh 

--zookeeper hadoop102:2181 --alter –-

topic first --partitions 6

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