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2025-02-23 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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Precondition
Zookeeper must be installed. Linux install zookeeper
Kafka official source
Kafka official website download page
Download the kafka installation package # version: kafka_2.11-2.3.0.tgzwget http://mirrors.tuna.tsinghua.edu.cn/apache/kafka/2.3.0/kafka_2.11-2.3.0.tgz
Extract the installation package tar-zxvf kafka_2.11-2.3.0.tgzcp kafka_2.11-2.3.0 / usr/local/kafka
Start the kafka service cd / usr/local/kafka/bin# startup command: the daemon starts. / kafka-server-start.sh-daemon.. / config/server.properties
Note: an error may be reported here, because by default, the default memory of kafka is 1 gigabyte, and if you don't have so much memory available, it will fail to start. The error is as follows:
Java Hotspot (TM) 64-Bit Server VM warning: INFO: os::commit_memory (0x00000000c5330000, 986513408, 0) failed; error='Cannot allocate memory' (errno=12) # # There is insufficient memory for the Java Runtime Environment to continue.# Native memory allocation (malloc) failed to allocate 986513408 bytes for committing reserved memory.# An error report file with more information is saved as:# hs_err_pid5535.log
Solution:
Modify the startup script: kafka-server-start.shvim kafka-server-start.sh
The content of the setting is set according to your own situation.
Create a chart named test for topic#, with only one copy, and a partition kafka-topics.sh-- create-- zookeeper localhost:2181-- replication-factor 1-- partitions 1-- topic chart# to view the topickafka-topics.sh-list-zookeeper localhost:2181 of kafka
Production and consumption testing # start the production side. / kafka-console-producer.sh-- broker-list localhost:9092-- topic chart# start the consumer side. / kafka-console-consumer.sh-- bootstrap-server localhost:9092-- topic chart-- from-beginning
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