01_kafka_环境搭建安装_topic管理

AntHub2023-09-12 22:53

文章目录

安装jdk

  • 略

配置主机名

  • hostnamectl set-hostname kafka_1

  • /etc/sysconfig/network

shell 复制代码 
HOSTNAME=kafka_1
  • /etc/hosts
shell 复制代码 
ip  kafka_1
  • ping kafka_1 测试

Zookeeper 下载与安装

  • 由于 集群中的 Leader 的监控 和 Topic 元数据 存储在 Zookeeper 中 ，所以需要安装 zk；
  • https://zookeeper.apache.org/releases.html 中选择需要的版本；
  • conf 目录 复制zoo_sample.cfg 为 zoo.cfg, 修改其中的配置 dataDir 指定自己的目录；
  • 启动zk：使用 zkServer.sh start zoo.cfg
shell 复制代码 
cd /opt/pkg/
wget --no-check-certificate  https://dlcdn.apache.org/zookeeper/zookeeper-3.8.2/apache-zookeeper-3.8.2-bin.tar.gz
tar zxf apache-zookeeper-3.8.2-bin.tar.gz
mv apache-zookeeper-3.8.2-bin ../app/
cd /opt/app/apache-zookeeper-3.8.2-bin/
cp zoo_sample.cfg zoo.cfg
./bin/zkServer.sh start zoo.cfg

---
[root@loaclhost bin]# ./zkServer.sh status
/usr/bin/java
ZooKeeper JMX enabled by default
Using config: /opt/app/apache-zookeeper-3.8.2-bin/bin/../conf/zoo.cfg
Client port found: 2181. Client address: localhost. Client SSL: false.
Mode: standalone

Kafka 下载与安装

shell 复制代码 
cd /opt/pkg/
wget https://downloads.apache.org/kafka/3.5.1/kafka_2.13-3.5.1.tgz
tar zxf kafka_2.13-3.5.1.tgz
mv kafka_2.13-3.5.1 ../app/
cd /opt/app
cd kafka_2.13-3.5.1/
cd config/
cp server.properties server.properties.bak
vim server.properties
---
listeners=PLAINTEXT://kafka_1:9092
og.dirs=./kafka-logs
zookeeper.connect=kafka_1:2181
---

cd ../
./bin/kafka-server-start.sh -daemon config/server.properties
  • 配置： config/server.properties
shell 复制代码 
broker.id
listeners=PLAINTEXT://主机名:9092
log.dirs= # 日志目录
zookeeper.connect=主机名:2181
  • 启动：./bin/kafka-server-start.sh -daemon config/server.properties
  • 停止：./bin/kafka-server-stop.sh

测试

shell 复制代码 
./bin/kafka-topics.sh --bootstrap-server kafka_1:9092 --create --topic topic_01 --partitions 3 --replication-factor 1 # 单机版副本因子为1 多了没有意义
./bin/kafka-console-consumer.sh --bootstrap-server kafka_1:9092 --topic topic_01 --group g1 # 消费者 查看输出
./bin/kafka-console-producer.sh --broker-list kafka_1:9092  --topic topic_01  # 开始输入

root@loaclhost kafka_2.13-3.5.1]# ./bin/kafka-topics.sh --bootstrap-server kafka_1:9092 --create --topic topic_0

OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should c

WARNING: Due to limitations in metric names, topics with a period ('.') or underscore ('') could collide. To avo
Created topic topic_01.
root@loaclhost kafka_2.13-3.5.1# ./bin/kafka-console-consumer.sh --bootstrap-server kafka_1:9092 --topic topic

OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should c

root@loaclhost kafka_2.13-3.5.1]# ./bin/kafka-console-consumer.sh --bootstrap-server kafka_1:9092 --topic topic_01 --group g1

OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N

集群版安装

  • 使用3台主机进行搭建，三台机器上都需要安装 jdk，Zookeeper，Kafka
  • 其中 /etc/hosts 都需要配置好三台主机的ip 主机名映射；
  • 需要额外注意的是，三台主机需要做一次时间同步
shell 复制代码 
yum -y install ntpdate
timedatectl set-timezone Asia/Shanghai
ntpdate ntp1.aliyun.com # aliyun 有ntp1~7， 或者 cn.pool.ntp.org
  • 复制文件到 另外两台主机
shell 复制代码 
[root@kafka_1 pkg]# pwd
/opt/pkg
scp kafka_2.13-3.5.1.tgz root@kafka_2:/opt/pkg 
scp kafka_2.13-3.5.1.tgz root@kafka_3:/opt/pkg
scp apache-zookeeper-3.8.2-bin.tar.gz root@kafka_3:/opt/pkg
scp apache-zookeeper-3.8.2-bin.tar.gz root@kafka_2:/opt/pkg
  • 配置 zoo.cfg:
shell 复制代码 
# 数据目录 每个机器中，此目录下 需要创建 myid文件内容 和server.id 对应 , 可以指定一个绝对目录
dataDir=/opt/app/cluster/apache-zookeeper-3.8.2/dataDir 

server.1=kafka_1:2888:3888
server.2=kafka_2:2888:3888
server.3=kafka_3:2888:3888
4lw.commands.whitelist=*

  • myid生成： echo 1 > /opt/app/cluster/apache-zookeeper-3.8.2/dataDir/myid # 1,2,3

  • 配置： config/server.properties

shell 复制代码 
broker.id=0 # 需要修改 1,2 
listeners=PLAINTEXT://kafka_1:9092 # 主机名和当前机器对应
log.dirs=/opt/app/cluster/kafka_2.13-3.5.1/log_dirs # 日志目录
zookeeper.connect=kafka_1:2181,kafka_2:2181,kafka_3:2181
  • 启动zk 和 kafka:
shell 复制代码 
cd /opt/app/cluster/apache-zookeeper-3.8.2/
./bin/zkServer.sh start zoo.cfg
cd /opt/app/cluster/kafka_2.13-3.5.1
./bin/kafka-server-start.sh -daemon config/server.properties
  • 报错：

Using config: /opt/app/cluster/apache-zookeeper-3.8.2/bin/.../conf/zoo.cfg

Client port found: 2181. Client address: localhost. Client SSL: false.

Error contacting service. It is probably not running.

  • 原因是防火墙没关：
shell 复制代码 
 systemctl status firewalld
#● firewalld.service - firewalld - dynamic firewall daemon
#   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; enabled; vendor preset: enabled)
#   Active: active (running) since Sun 2023-08-27 19:48:04 CST; 2h 32min ago
#     Docs: man:firewalld(1)
# Main PID: 649 (firewalld)
#   CGroup: /system.slice/firewalld.service
#           └─649 /usr/bin/python -Es /usr/sbin/firewalld --nofork --nopid
#           
systemctl disable firewalld

测试

shell 复制代码 
./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --create --topic topic01 --partitions 3 --replication-factor 3  # 创建 topic
./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --create --topic topic02 --partitions 3 --replication-factor 3  # 创建 topic
./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --list # 查看
./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --describe --topic topic02 # 查看详细描述
./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --alter --topic topic02 --partitions 4   # 修改分区数量,只能增不能减，设置小于3则报错
./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --delete --topic topic02  # 删除topic
	
---
# 消息的生产与消费/订阅
./bin/kafka-console-producer.sh --broker-list kafka_1:9092,kafka_2:9092,kafka_3:9092 --topic topic01 # 生产
./bin/kafka-console-consumer.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --topic topic01 --group g1 --property print.key=true  --property print.value=true  --property key.separator=, # 消费
---
# 查看消费组信息
./bin/kafka-consumer-groups.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --list g1  # 查看
./bin/kafka-consumer-groups.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --describe --group g1  # 查看详情

输出

shell 复制代码 
[root@kafka_1 kafka_2.13-3.5.1]# ./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --create --topic topic01 --partitions 3 --replication-factor 3
OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N
Created topic topic01.
[root@kafka_1 kafka_2.13-3.5.1]# ./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --create --topic topic02 --partitions 3 --replication-factor 3
OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N
Created topic topic02.
[root@kafka_1 kafka_2.13-3.5.1]# ./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --list
OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N
topic01
topic02

[root@kafka_1 kafka_2.13-3.5.1]# ./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --describe --topic topic02
OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N
Topic: topic02  TopicId: _s44mBQqTLaSmVWcZA2GTw PartitionCount: 3       ReplicationFactor: 3    Configs:
        Topic: topic02  Partition: 0    Leader: 2       Replicas: 2,0,1 Isr: 2,1
        Topic: topic02  Partition: 1    Leader: 1       Replicas: 1,2,0 Isr: 1,2
        Topic: topic02  Partition: 2    Leader: 0       Replicas: 0,1,2 Isr: 0,1,2

[root@kafka_1 kafka_2.13-3.5.1]# ./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --alter --topic topic02 --partitions 4

[root@kafka_1 kafka_2.13-3.5.1]# ./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --describe --topic topic02
OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N
Topic: topic02  TopicId: _s44mBQqTLaSmVWcZA2GTw PartitionCount: 4       ReplicationFactor: 3    Configs:
        Topic: topic02  Partition: 0    Leader: 2       Replicas: 2,0,1 Isr: 2,1
        Topic: topic02  Partition: 1    Leader: 1       Replicas: 1,2,0 Isr: 1,2
        Topic: topic02  Partition: 2    Leader: 0       Replicas: 0,1,2 Isr: 0,1,2
        Topic: topic02  Partition: 3    Leader: 2       Replicas: 2,1,0 Isr: 2,1

[root@kafka_1 kafka_2.13-3.5.1]# ./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --list
OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N
topic01
topic02
[root@kafka_1 kafka_2.13-3.5.1]# ./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --delete --topic topic02
OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N
[root@kafka_1 kafka_2.13-3.5.1]# ./bin/kafka-topics.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --list
OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N
topic01

---
# 生产者
[root@kafka_1 kafka_2.13-3.5.1]# ./bin/kafka-console-producer.sh --broker-list kafka_1:9092,kafka_2:9092,kafka_3:9092 --topic topic01
OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N
>123
>123
>key=123
>


# 消费者
[root@kafka_1 kafka_2.13-3.5.1]# ./bin/kafka-console-consumer.sh --bootstrap-server kafka_1:9092,kafka_2:9092,kafka_3:9092 --topic topic01 --group g1 --property print.key=true  --property print.value=true  --property key.separator=,
OpenJDK 64-Bit Server VM warning: If the number of processors is expected to increase from one, then you should configure the number of parallel GC threads appropriately using -XX:ParallelGCThreads=N



null,123
null,123
null,key=123
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