kafka单机测试环境搭建
kafka单服务器搭建
kafka搭建需要jdk， zookeeper
因此搭建前需先准备好JDK环境
由于kafka的安装包中已经内置一个zk，因此可以不用另外搭建， 当然如果想独立处理，或者已经拥有zk也可以接入使用
下载地址：
http://kafka.apache.org/downloads
1.下载
下载带有scala的安装包
Binary downloads:
Scala 2.11 - kafka_2.11-2.3.0.tgz (asc, sha512)
Scala 2.12 - kafka_2.12-2.3.0.tgz (asc, sha512)
2.安装JDK
mkdir /app
tar -zxvf jdk-8u221-linux-x64.tar.gz
添加环境变量
vi ~/.bash_profile
export JAVA_HOME=/app/jdk1.8.0_221
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=.:${JAVA_HOME}/bin:$ZOOKEEPER_HOME/bin:$PATH
加载环境变量
source ~/.bash_profile
验证java环境
# java --version
Unrecognized option: --version
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.
[root@kafka kafka_2.11-2.2.0]#
3.解压安装
tar -zxf kafka_2.11-2.2.0.tgz
cd kafka_2.11-2.2.0/
4.启动zk
bin/zookeeper-server-start.sh config/zookeeper.properties
[root@kafka kafka_2.11-2.2.0]# bin/zookeeper-server-start.sh config/zookeeper.properties
[2019-09-01 15:42:13,338] INFO Reading configuration from: config/zookeeper.properties (org.apache.zookeeper.server.quorum.QuorumPeerConfig)
[2019-09-01 15:42:13,344] INFO autopurge.snapRetainCount set to 3 (org.apache.zookeeper.server.DatadirCleanupManager)
[2019-09-01 15:42:13,344] INFO autopurge.purgeInterval set to 0 (org.apache.zookeeper.server.DatadirCleanupManager)
[2019-09-01 15:42:13,344] INFO Purge task is not scheduled. (org.apache.zookeeper.server.DatadirCleanupManager)
[2019-09-01 15:42:13,344] WARN Either no config or no quorum defined in config, running in standalone mode (org.apache.zookeeper.server.quorum.QuorumPeerMain)
[2019-09-01 15:42:13,361] INFO Reading configuration from: config/zookeeper.properties (org.apache.zookeeper.server.quorum.QuorumPeerConfig)
[2019-09-01 15:42:13,361] INFO Starting server (org.apache.zookeeper.server.ZooKeeperServerMain)
....
[2019-09-01 15:42:33,437] INFO Using org.apache.zookeeper.server.NIOServerCnxnFactory as server connection factory (org.apache.zookeeper.server.ServerCnxnFactory)
[2019-09-01 15:42:33,444] INFO binding to port 0.0.0.0/0.0.0.0:2181 (org.apache.zookeeper.server.NIOServerCnxnFactory)
5.启动kafka
bin/kafka-server-start.sh config/server.propertie
[2019-09-01 15:58:04,457] INFO [TransactionCoordinator id=0] Starting up. (kafka.coordinator.transaction.TransactionCoordinator)
[2019-09-01 15:58:04,501] INFO [TransactionCoordinator id=0] Startup complete. (kafka.coordinator.transaction.TransactionCoordinator)
[2019-09-01 15:58:04,504] INFO [Transaction Marker Channel Manager 0]: Starting (kafka.coordinator.transaction.TransactionMarkerChannelManager)
[2019-09-01 15:58:04,621] INFO [/config/changes-event-process-thread]: Starting (kafka.common.ZkNodeChangeNotificationListener$ChangeEventProcessThread)
[2019-09-01 15:58:04,631] INFO [SocketServer brokerId=0] Started data-plane processors for 1 acceptors (kafka.network.SocketServer)
[2019-09-01 15:58:04,634] INFO Kafka version: 2.2.0 (org.apache.kafka.common.utils.AppInfoParser)
[2019-09-01 15:58:04,635] INFO Kafka commitId: 05fcfde8f69b0349 (org.apache.kafka.common.utils.AppInfoParser)
[2019-09-01 15:58:04,636] INFO [KafkaServer id=0] started (kafka.server.KafkaServer)
注意需要添加housts解析， 否则会报错：
[root@kafka config]# cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.137.51 kafka
错误信息
[2019-09-01 15:53:43,428] INFO [LogDirFailureHandler]: Starting (kafka.server.ReplicaManager$LogDirFailureHandler)
[2019-09-01 15:54:03,445] ERROR [KafkaServer id=0] Fatal error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer)
java.net.UnknownHostException: kafka: kafka: Name or service not known
at java.net.InetAddress.getLocalHost(InetAddress.java:1506)
at kafka.server.KafkaServer$$anonfun$5.apply(KafkaServer.scala:410)
at kafka.server.KafkaServer$$anonfun$5.apply(KafkaServer.scala:408)
at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
at scala.collection.AbstractTraversable.map(Traversable.scala:104)
at kafka.server.KafkaServer.createBrokerInfo(KafkaServer.scala:408)
at kafka.server.KafkaServer.startup(KafkaServer.scala:259)
at kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:38)
at kafka.Kafka$.main(Kafka.scala:75)
at kafka.Kafka.main(Kafka.scala)
Caused by: java.net.UnknownHostException: kafka: Name or service not known
at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:929)
at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1324)
at java.net.InetAddress.getLocalHost(InetAddress.java:1501)
测试安装环境
使用安装包中已经包含的命令行工具
TOPIC
可以查看下帮助
[root@kafka kafka_2.11-2.2.0]# bin/kafka-topics.sh --help
This tool helps to create, delete, describe, or change a topic.
Option Description
------ -----------
--alter Alter the number of partitions,
replica assignment, and/or
configuration for the topic.
--bootstrap-server to. In case of providing this, a
direct Zookeeper connection won't be
required.
--command-config passed to Admin Client. This is used
only with --bootstrap-server option
for describing and altering broker
configs.
--config A topic configuration override for the
topic being created or altered.The
following is a list of valid
configurations:
cleanup.policy
compression.type
delete.retention.ms
file.delete.delay.ms
flush.messages
flush.ms
follower.replication.throttled.
replicas
index.interval.bytes
leader.replication.throttled.replicas
max.message.bytes
message.downconversion.enable
message.format.version
message.timestamp.difference.max.ms
message.timestamp.type
min.cleanable.dirty.ratio
min.compaction.lag.ms
min.insync.replicas
preallocate
retention.bytes
retention.ms
segment.bytes
segment.index.bytes
segment.jitter.ms
segment.ms
unclean.leader.election.enable
See the Kafka documentation for full
details on the topic configs.It is
supported only in combination with --
create if --bootstrap-server option
is used.
--create Create a new topic.
--delete Delete a topic
--delete-config A topic configuration override to be
removed for an existing topic (see
the list of configurations under the
--config option). Not supported with
the --bootstrap-server option.
--describe List details for the given topics.
--disable-rack-aware Disable rack aware replica assignment
--exclude-internal exclude internal topics when running
list or describe command. The
internal topics will be listed by
default
--force Suppress console prompts
--help Print usage information.
--if-exists if set when altering or deleting or
describing topics, the action will
only execute if the topic exists.
Not supported with the --bootstrap-
server option.
--if-not-exists if set when creating topics, the
action will only execute if the
topic does not already exist. Not
supported with the --bootstrap-
server option.
--list List all available topics.
--partitions The number of partitions for the topic
being created or altered (WARNING:
If partitions are increased for a
topic that has a key, the partition
logic or ordering of the messages
will be affected
--replica-assignment
--replication-factor partition in the topic being created.
--topic The topic to create, alter, describe
or delete. It also accepts a regular
expression, except for --create
option. Put topic name in double
quotes and use the '\' prefix to
escape regular expression symbols; e.
g. "test\.topic".
--topics-with-overrides if set when describing topics, only
show topics that have overridden
configs
--unavailable-partitions if set when describing topics, only
show partitions whose leader is not
available
--under-replicated-partitions if set when describing topics, only
show under replicated partitions
--zookeeper DEPRECATED, The connection string for
the zookeeper connection in the form
host:port. Multiple hosts can be
given to allow fail-over.
创建topic
[root@kafka kafka_2.11-2.2.0]# bin/kafka-topics.sh --create --zookeeper 127.0.0.1:2181
--topic mtest --partitions 1 --replication-factor 1
Created topic mtest.
查看TOPIC：
[root@kafka kafka_2.11-2.2.0]# bin/kafka-topics.sh --describe --zookeeper 127.0.0.1:2181 --topic mtest
Topic:mtest PartitionCount:1 ReplicationFactor:1 Configs:
Topic: mtest Partition: 0 Leader: 0 Replicas: 0 Isr: 0
[root@kafka kafka_2.11-2.2.0]#
发送消息：
启动生产者：
bin/kafka-console-producer.sh --broker-list localhost:9092 --topic mtest
打开另外一个窗口
启动消费者：
bin/kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic mtest --from-beginning
测试消息发送
>
>
>ok
>this is test
>12311
>2424\
>
>
>
消费者接收消息：
ok
this is test
12311
2424\
安装完成