Kafka学习笔记——centos7下kafka安装配置与验证
2017-06-17 12:32
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简介
我们先看看官方给出的kafka分布式架构图多个 broker 协同合作,producer 和 consumer 部署在各个业务逡辑中被频繁的调用,三者通过 zookeeper管理协调请求和转収。返样一个高怅能的分布式消息収布不订阅系统就完成了。
我们以一个broker为例介绍下整个消息系统的启动过程
整个系统运行的顺序:
1.启劢 zookeeper 的 server
2.启劢 kafka 的 server
3.Producer 如果生产了数据,会先通过 zookeeper 找刡 broker,然后将数据存放迕 broker
4.Consumer 如果要消费数据,会先通过 zookeeper 找对应的 broker,然后消费。
分布式环境搭建
单机版
先去kafka官网现在最新的kafka安装包[root@bogon software]# wget http://apache.fayea.com/kafka/0.10.2.1/kafka_2.10-0.10.2.1.tgz[/code]
然后把kafka解压到安装目录下[root@bogon software]# tar -zvxf kafka_2.10-0.10.2.1.tgz -C /usr/local/kafka/
重命名kafka安装包,方便配置[root@bogon kafka]# mv kafka_2.10-0.10.2.1 kafk
进入kafka/bin文件夹,这里有各种功能脚本,包括发送消息,消费消息、创建topic,查看topic以及各种启动、停止服务脚本等
启动zookeeper[root@bogon bin]# sh zookeeper-server-start.sh -daemon ../config/zookeeper.properties
启动kafka服务[root@bogon bin]# sh kafka-server-start.sh ../config/server.properties
提示如下错误:
这时候我们需要修改下主机名[root@xg sysconfig]# hostname localhost [root@xg sysconfig]# su
再次执行[root@localhost bin]# sh kafka-server-start.sh ../config/server.properties[root@localhost bin]# sh kafka-server-start.sh ../config/server.properties [2017-06-16 20:49:10,581] INFO KafkaConfig values: advertised.host.name = null advertised.listeners = null advertised.port = null authorizer.class.name = auto.create.topics.enable = true auto.leader.rebalance.enable = true background.threads = 10 broker.id = 0 broker.id.generation.enable = true broker.rack = null compression.type = producer connections.max.idle.ms = 600000 controlled.shutdown.enable = true controlled.shutdown.max.retries = 3 controlled.shutdown.retry.backoff.ms = 5000 controller.socket.timeout.ms = 30000 create.topic.policy.class.name = null default.replication.factor = 1 delete.topic.enable = false fetch.purgatory.purge.interval.requests = 1000 group.max.session.timeout.ms = 300000 group.min.session.timeout.ms = 6000 host.name = inter.broker.listener.name = null inter.broker.protocol.version = 0.10.2-IV0 leader.imbalance.check.interval.seconds = 300 leader.imbalance.per.broker.percentage = 10 listener.security.protocol.map = SSL:SSL,SASL_PLAINTEXT:SASL_PLAINTEXT,TRACE:TRACE,SASL_SSL:SASL_SSL,PLAINTEXT:PLAINTEXT listeners = null log.cleaner.backoff.ms = 15000 log.cleaner.dedupe.buffer.size = 134217728 log.cleaner.delete.retention.ms = 86400000 log.cleaner.enable = true log.cleaner.io.buffer.load.factor = 0.9 log.cleaner.io.buffer.size = 524288 log.cleaner.io.max.bytes.per.second = 1.7976931348623157E308 log.cleaner.min.cleanable.ratio = 0.5 log.cleaner.min.compaction.lag.ms = 0 log.cleaner.threads = 1 log.cleanup.policy = [delete] log.dir = /tmp/kafka-logs log.dirs = /tmp/kafka-logs log.flush.interval.messages = 9223372036854775807 log.flush.interval.ms = null log.flush.offset.checkpoint.interval.ms = 60000 log.flush.scheduler.interval.ms = 9223372036854775807 log.index.interval.bytes = 4096 log.index.size.max.bytes = 10485760 log.message.format.version = 0.10.2-IV0 log.message.timestamp.difference.max.ms = 9223372036854775807 log.message.timestamp.type = CreateTime log.preallocate = false log.retention.bytes = -1 log.retention.check.interval.ms = 300000 log.retention.hours = 168 log.retention.minutes = null log.retention.ms = null log.roll.hours = 168 log.roll.jitter.hours = 0 log.roll.jitter.ms = null log.roll.ms = null log.segment.bytes = 1073741824 log.segment.delete.delay.ms = 60000 max.connections.per.ip = 2147483647 max.connections.per.ip.overrides = message.max.bytes = 1000012 metric.reporters = [] metrics.num.samples = 2 metrics.recording.level = INFO metrics.sample.window.ms = 30000 min.insync.replicas = 1 num.io.threads = 8 num.network.threads = 3 num.partitions = 1 num.recovery.threads.per.data.dir = 1 num.replica.fetchers = 1 offset.metadata.max.bytes = 4096 offsets.commit.required.acks = -1 offsets.commit.timeout.ms = 5000 offsets.load.buffer.size = 5242880 offsets.retention.check.interval.ms = 600000 offsets.retention.minutes = 1440 offsets.topic.compression.codec = 0 offsets.topic.num.partitions = 50 offsets.topic.replication.factor = 3 offsets.topic.segment.bytes = 104857600 port = 9092 principal.builder.class = class org.apache.kafka.common.security.auth.DefaultPrincipalBuilder producer.purgatory.purge.interval.requests = 1000 queued.max.requests = 500 quota.consumer.default = 9223372036854775807 quota.producer.default = 9223372036854775807 quota.window.num = 11 quota.window.size.seconds = 1 replica.fetch.backoff.ms = 1000 replica.fetch.max.bytes = 1048576 replica.fetch.min.bytes = 1 replica.fetch.response.max.bytes = 10485760 replica.fetch.wait.max.ms = 500 replica.high.watermark.checkpoint.interval.ms = 5000 replica.lag.time.max.ms = 10000 replica.socket.receive.buffer.bytes = 65536 replica.socket.timeout.ms = 30000 replication.quota.window.num = 11 replication.quota.window.size.seconds = 1 request.timeout.ms = 30000 reserved.broker.max.id = 1000 sasl.enabled.mechanisms = [GSSAPI] sasl.kerberos.kinit.cmd = /usr/bin/kinit sasl.kerberos.min.time.before.relogin = 60000 sasl.kerberos.principal.to.local.rules = [DEFAULT] sasl.kerberos.service.name = null sasl.kerberos.ticket.renew.jitter = 0.05 sasl.kerberos.ticket.renew.window.factor = 0.8 sasl.mechanism.inter.broker.protocol = GSSAPI security.inter.broker.protocol = PLAINTEXT socket.receive.buffer.bytes = 102400 socket.request.max.bytes = 104857600 socket.send.buffer.bytes = 102400 ssl.cipher.suites = null ssl.client.auth = none ssl.enabled.protocols = [TLSv1.2, TLSv1.1, TLSv1] ssl.endpoint.identification.algorithm = null ssl.key.password = null ssl.keymanager.algorithm = SunX509 ssl.keystore.location = null ssl.keystore.password = null ssl.keystore.type = JKS ssl.protocol = TLS ssl.provider = null ssl.secure.random.implementation = null ssl.trustmanager.algorithm = PKIX ssl.truststore.location = null ssl.truststore.password = null ssl.truststore.type = JKS unclean.leader.election.enable = true zookeeper.connect = localhost:2181 zookeeper.connection.timeout.ms = 6000 zookeeper.session.timeout.ms = 6000 zookeeper.set.acl = false zookeeper.sync.time.ms = 2000 (kafka.server.KafkaConfig) [2017-06-16 20:49:10,678] INFO starting (kafka.server.KafkaServer) [2017-06-16 20:49:10,681] INFO Connecting to zookeeper on localhost:2181 (kafka.server.KafkaServer) [2017-06-16 20:49:10,706] INFO Starting ZkClient event thread. (org.I0Itec.zkclient.ZkEventThread) [2017-06-16 20:49:10,729] INFO Client environment:zookeeper.version=3.4.9-1757313, built on 08/23/2016 06:50 GMT (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,729] INFO Client environment:host.name=localhost (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,729] INFO Client environment:java.version=1.8.0_101 (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,729] INFO Client environment:java.vendor=Oracle Corporation (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,729] INFO Client environment:java.home=/usr/local/java/jdk1.8.0_101/jre (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,729] INFO Client environment:java.class.path=.:/usr/local/java/jdk1.8.0_101/lib/dt.jar:/usr/local/java/jdk1.8.0_101/lib/tools.jar:/usr/local/kafka/kafka/bin/../libs/aopalliance-repackaged-2.5.0-b05.jar:/usr/local/kafka/kafka/bin/../libs/argparse4j-0.7.0.jar:/usr/local/kafka/kafka/bin/../libs/connect-api-0.10.2.1.jar:/usr/local/kafka/kafka/bin/../libs/connect-file-0.10.2.1.jar:/usr/local/kafka/kafka/bin/../libs/connect-json-0.10.2.1.jar:/usr/local/kafka/kafka/bin/../libs/connect-runtime-0.10.2.1.jar:/usr/local/kafka/kafka/bin/../libs/connect-transforms-0.10.2.1.jar:/usr/local/kafka/kafka/bin/../libs/guava-18.0.jar:/usr/local/kafka/kafka/bin/../libs/hk2-api-2.5.0-b05.jar:/usr/local/kafka/kafka/bin/../libs/hk2-locator-2.5.0-b05.jar:/usr/local/kafka/kafka/bin/../libs/hk2-utils-2.5.0-b05.jar:/usr/local/kafka/kafka/bin/../libs/jackson-annotations-2.8.0.jar:/usr/local/kafka/kafka/bin/../libs/jackson-annotations-2.8.5.jar:/usr/local/kafka/kafka/bin/../libs/jackson-core-2.8.5.jar:/usr/local/kafka/kafka/bin/../libs/jackson-databind-2.8.5.jar:/usr/local/kafka/kafka/bin/../libs/jackson-jaxrs-base-2.8.5.jar:/usr/local/kafka/kafka/bin/../libs/jackson-jaxrs-json-provider-2.8.5.jar:/usr/local/kafka/kafka/bin/../libs/jackson-module-jaxb-annotations-2.8.5.jar:/usr/local/kafka/kafka/bin/../libs/javassist-3.20.0-GA.jar:/usr/local/kafka/kafka/bin/../libs/javax.annotation-api-1.2.jar:/usr/local/kafka/kafka/bin/../libs/javax.inject-1.jar:/usr/local/kafka/kafka/bin/../libs/javax.inject-2.5.0-b05.jar:/usr/local/kafka/kafka/bin/../libs/javax.servlet-api-3.1.0.jar:/usr/local/kafka/kafka/bin/../libs/javax.ws.rs-api-2.0.1.jar:/usr/local/kafka/kafka/bin/../libs/jersey-client-2.24.jar:/usr/local/kafka/kafka/bin/../libs/jersey-common-2.24.jar:/usr/local/kafka/kafka/bin/../libs/jersey-container-servlet-2.24.jar:/usr/local/kafka/kafka/bin/../libs/jersey-container-servlet-core-2.24.jar:/usr/local/kafka/kafka/bin/../libs/jersey-guava-2.24.jar:/usr/local/kafka/kafka/bin/../libs/jersey-media-jaxb-2.24.jar:/usr/local/kafka/kafka/bin/../libs/jersey-server-2.24.jar:/usr/local/kafka/kafka/bin/../libs/jetty-continuation-9.2.15.v20160210.jar:/usr/local/kafka/kafka/bin/../libs/jetty-http-9.2.15.v20160210.jar:/usr/local/kafka/kafka/bin/../libs/jetty-io-9.2.15.v20160210.jar:/usr/local/kafka/kafka/bin/../libs/jetty-security-9.2.15.v20160210.jar:/usr/local/kafka/kafka/bin/../libs/jetty-server-9.2.15.v20160210.jar:/usr/local/kafka/kafka/bin/../libs/jetty-servlet-9.2.15.v20160210.jar:/usr/local/kafka/kafka/bin/../libs/jetty-servlets-9.2.15.v20160210.jar:/usr/local/kafka/kafka/bin/../libs/jetty-util-9.2.15.v20160210.jar:/usr/local/kafka/kafka/bin/../libs/jopt-simple-5.0.3.jar:/usr/local/kafka/kafka/bin/../libs/kafka_2.10-0.10.2.1.jar:/usr/local/kafka/kafka/bin/../libs/kafka_2.10-0.10.2.1-sources.jar:/usr/local/kafka/kafka/bin/../libs/kafka_2.10-0.10.2.1-test-sources.jar:/usr/local/kafka/kafka/bin/../libs/kafka-clients-0.10.2.1.jar:/usr/local/kafka/kafka/bin/../libs/kafka-log4j-appender-0.10.2.1.jar:/usr/local/kafka/kafka/bin/../libs/kafka-streams-0.10.2.1.jar:/usr/local/kafka/kafka/bin/../libs/kafka-streams-examples-0.10.2.1.jar:/usr/local/kafka/kafka/bin/../libs/kafka-tools-0.10.2.1.jar:/usr/local/kafka/kafka/bin/../libs/log4j-1.2.17.jar:/usr/local/kafka/kafka/bin/../libs/lz4-1.3.0.jar:/usr/local/kafka/kafka/bin/../libs/metrics-core-2.2.0.jar:/usr/local/kafka/kafka/bin/../libs/osgi-resource-locator-1.0.1.jar:/usr/local/kafka/kafka/bin/../libs/reflections-0.9.10.jar:/usr/local/kafka/kafka/bin/../libs/rocksdbjni-5.0.1.jar:/usr/local/kafka/kafka/bin/../libs/scala-library-2.10.6.jar:/usr/local/kafka/kafka/bin/../libs/slf4j-api-1.7.21.jar:/usr/local/kafka/kafka/bin/../libs/slf4j-log4j12-1.7.21.jar:/usr/local/kafka/kafka/bin/../libs/snappy-java-1.1.2.6.jar:/usr/local/kafka/kafka/bin/../libs/validation-api-1.1.0.Final.jar:/usr/local/kafka/kafka/bin/../libs/zkclient-0.10.jar:/usr/local/kafka/kafka/bin/../libs/zookeeper-3.4.9.jar (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,730] INFO Client environment:java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,730] INFO Client environment:java.io.tmpdir=/tmp (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,730] INFO Client environment:java.compiler=<NA> (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,730] INFO Client environment:os.name=Linux (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,730] INFO Client environment:os.arch=amd64 (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,730] INFO Client environment:os.version=3.10.0-327.el7.x86_64 (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,730] INFO Client environment:user.name=root (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,730] INFO Client environment:user.home=/root (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,730] INFO Client environment:user.dir=/usr/local/kafka/kafka/bin (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,732] INFO Initiating client connection, connectString=localhost:2181 sessionTimeout=6000 watcher=org.I0Itec.zkclient.ZkClient@21de60b4 (org.apache.zookeeper.ZooKeeper) [2017-06-16 20:49:10,759] INFO Waiting for keeper state SyncConnected (org.I0Itec.zkclient.ZkClient) [2017-06-16 20:49:10,766] INFO Opening socket connection to server localhost/0:0:0:0:0:0:0:1:2181. Will not attempt to authenticate using SASL (unknown error) (org.apache.zookeeper.ClientCnxn) [2017-06-16 20:49:10,903] INFO Socket connection established to localhost/0:0:0:0:0:0:0:1:2181, initiating session (org.apache.zookeeper.ClientCnxn) [2017-06-16 20:49:10,926] INFO Session establishment complete on server localhost/0:0:0:0:0:0:0:1:2181, sessionid = 0x15cb42456980001, negotiated timeout = 6000 (org.apache.zookeeper.ClientCnxn) [2017-06-16 20:49:10,931] INFO zookeeper state changed (SyncConnected) (org.I0Itec.zkclient.ZkClient) [2017-06-16 20:49:11,200] INFO Cluster ID = qln2xViYSCGEl63misidng (kafka.server.KafkaServer) [2017-06-16 20:49:11,206] WARN No meta.properties file under dir /tmp/kafka-logs/meta.properties (kafka.server.BrokerMetadataCheckpoint) [2017-06-16 20:49:11,246] INFO [ThrottledRequestReaper-Fetch], Starting (kafka.server.ClientQuotaManager$ThrottledRequestReaper) [2017-06-16 20:49:11,250] INFO [ThrottledRequestReaper-Produce], Starting (kafka.server.ClientQuotaManager$ThrottledRequestReaper) [2017-06-16 20:49:11,314] INFO Loading logs. (kafka.log.LogManager) [2017-06-16 20:49:11,327] INFO Logs loading complete in 11 ms. (kafka.log.LogManager) [2017-06-16 20:49:11,436] INFO Starting log cleanup with a period of 300000 ms. (kafka.log.LogManager) [2017-06-16 20:49:11,439] INFO Starting log flusher with a default period of 9223372036854775807 ms. (kafka.log.LogManager) [2017-06-16 20:49:11,520] INFO Awaiting socket connections on 0.0.0.0:9092. (kafka.network.Acceptor) [2017-06-16 20:49:11,526] INFO [Socket Server on Broker 0], Started 1 acceptor threads (kafka.network.SocketServer) [2017-06-16 20:49:11,560] INFO [ExpirationReaper-0], Starting (kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper) [2017-06-16 20:49:11,564] INFO [ExpirationReaper-0], Starting (kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper) [2017-06-16 20:49:11,644] INFO Creating /controller (is it secure? false) (kafka.utils.ZKCheckedEphemeral) [2017-06-16 20:49:11,660] INFO Result of znode creation is: OK (kafka.utils.ZKCheckedEphemeral) [2017-06-16 20:49:11,660] INFO 0 successfully elected as leader (kafka.server.ZookeeperLeaderElector) [2017-06-16 20:49:11,821] INFO [ExpirationReaper-0], Starting (kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper) [2017-06-16 20:49:11,842] INFO [ExpirationReaper-0], Starting (kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper) [2017-06-16 20:49:11,848] INFO New leader is 0 (kafka.server.ZookeeperLeaderElector$LeaderChangeListener) [2017-06-16 20:49:11,851] INFO [ExpirationReaper-0], Starting (kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper) [2017-06-16 20:49:11,866] INFO [GroupCoordinator 0]: Starting up. (kafka.coordinator.GroupCoordinator) [2017-06-16 20:49:11,868] INFO [GroupCoordinator 0]: Startup complete. (kafka.coordinator.GroupCoordinator) [2017-06-16 20:49:11,871] INFO [Group Metadata Manager on Broker 0]: Removed 0 expired offsets in 2 milliseconds. (kafka.coordinator.GroupMetadataManager) [2017-06-16 20:49:11,948] INFO Will not load MX4J, mx4j-tools.jar is not in the classpath (kafka.utils.Mx4jLoader$) [2017-06-16 20:49:12,035] INFO Creating /brokers/ids/0 (is it secure? false) (kafka.utils.ZKCheckedEphemeral) [2017-06-16 20:49:12,043] INFO Result of znode creation is: OK (kafka.utils.ZKCheckedEphemeral) [2017-06-16 20:49:12,046] INFO Registered broker 0 at path /brokers/ids/0 with addresses: EndPoint(localhost,9092,ListenerName(PLAINTEXT),PLAINTEXT) (kafka.utils.ZkUtils) [2017-06-16 20:49:12,048] WARN No meta.properties file under dir /tmp/kafka-logs/meta.properties (kafka.server.BrokerMetadataCheckpoint) [2017-06-16 20:49:12,130] INFO Kafka version : 0.10.2.1 (org.apache.kafka.common.utils.AppInfoParser) [2017-06-16 20:49:12,130] INFO Kafka commitId : e89bffd6b2eff799 (org.apache.kafka.common.utils.AppInfoParser) [2017-06-16 20:49:12,132] INFO [Kafka Server 0], started (kafka.server.KafkaServer)
最后看到kafka成功启动
测试
创建一个topic[root@localhost bin]# sh kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic sunwukong Created topic "sunwukong".
topic创建成功,下面我查看一下[root@localhost bin]# sh kafka-topics.sh --list --zookeeper localhost:2181 sunwukong
发送消息[root@localhost bin]# sh kafka-console-producer.sh --broker-list localhost:9092 --topic sunwukong hello sunwukong,haha this is a test message
客户端接收消息[root@localhost bin]# sh kafka-console-consumer.sh --zookeeper localhost:2181 --topic sunwukong --from-beginning Using the ConsoleConsumer with old consumer is deprecated and will be removed in a future major release. Consider using the new consumer by passing [bootstrap-server] instead of [zookeeper]. hello sunwukong,haha this is a test message集群配置
单机多broker 集群配置
在单节点部署多个broker。 不同的broker 设置不同的 id,监听端口及日志目录。 例如:cp config/server.properties config/server-1.properties
修改server-1.propertiesconfig/server-1.properties: broker.id=1 port=9093 log.dir=/tmp/kafka-logs-1
启动Kafka服务sh kafka-server-start.sh ..config/server-1.properties &
启动多个服务,具体操作通单机版一样多机多broker 集群配置
我用的是vm,可以克隆3个vm,模拟安装配置
分别在多个节点按上述方式安装Kafka,配置启动多个Zookeeper 实例。zookeeper.properties配置如下:initLimit=5 syncLimit=2 server.1=192.168.1.102:2888:3888 server.2=192.168.1.103:2888:3888 server.3=192.168.1.104:2888:3888
分别配置多个机器上的Kafka服务 设置不同的broke id,修改server.propertieszookeeper.connect=192.168.1.102:2181,192.168.1.102:2181,192.168.1.102:2181
最后我们分别启动zk服务和kafka服务进行验证。
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