January 2018
Beginner to intermediate
234 pages
7h 8m
Chinese
Content preview from Kafka权威指南
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安装
Kafka
｜
17
leaderPort
用于首领选举的
TCP
端口。
客户端只需要通过
clientPort
就能连接到群组，而群组节点间的通信则需要同时用到这
3
个
端口（
peerPort
、
leaderPort
、
clientPort
）。
除了公共的配置文件外，每个服务器都必须在
data Dir
目录中创建一个叫作
myid
的文件，
文件里要包含服务器
ID
，这个
ID
要与配置文件里配置的
ID
保持一致。完成这些步骤后，
就可以启动服务器，让它们彼此间进行通信了。
2.2
安装
Kafka Broker
配置好
Java
和
Zookeeper
之后，接下来就可以安装
Kafka
了。可以从
http://kafka.apache.
org/downloads.html
下载最新版本的
Kafka
。截至本书写作时，
Kafka
的版本是
0.9.0.1
，对
应的
Scala
版本是
2.11.0
。
下面的例子将
Kafka
安装在
/usr/local/kafka
目录下，使用之前配置好的
Zookeeper
，并把消
息日志保存在
/tmp/kafka-logs
目录下。
# tar -zxf kafka_2.11-0.9.0.1.tgz
# mv kafka_2.11-0.9.0.1 /usr/local/kafka
# mkdir /tmp/kafka-logs
# export JAVA_HOME=/usr/java/jdk1.8.0_51
# /usr/local/kafka/bin/kafka-server-start.sh -daemon
/usr/local/kafka/config/server.properties ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.