kafka的安装和初步使用
简介
最近开发的项目中，kafka用的比较多，为了方便梳理，从今天起准备记录一些关于kafka的文章，首先，当然是如何安装kafka了。
Apache Kafka是分布式发布-订阅消息系统。
Apache Kafka与传统消息系统相比，有以下不同：
- 它被设计为一个分布式系统，易于向外扩展；
- 它同时为发布和订阅提供高吞吐量；
- 它支持多订阅者，当失败时能自动平衡消费者；
- 它将消息持久化到磁盘，因此可用于批量消费，例如ETL，以及实时应用程序。
安装 kafka
下载地址：http://mirrors.tuna.tsinghua.edu.cn/apache/kafka/2.3.0/kafka_2.11-2.3.0.tgz
wget http://mirrors.tuna.tsinghua.edu.cn/apache/kafka/2.3.0/kafka_2.11-2.3.0.tgz
解压
tar -zxvf kafka_2.-2.3..tgz
cd /usr/local/kafka_2.-2.3./
修改 kafka-server 的配置文件
vi /usr/local/kafkaa_2.11-2.3.0/config/server.properties
修改如下
broker.id=
log.dir=/data/kafka/logs-
当然，也可以不修改，只是demo测试，默认配置即可。
常用功能简介
1、启动 zookeeper
使用安装包中的脚本启动单节点 Zookeeper 实例：
sh bin/zookeeper-server-start.sh -daemon config/zookeeper.properties
2、启动Kafka 服务
使用 kafka-server-start.sh 启动 kafka 服务：
sh bin/kafka-server-start.sh config/server.properties
启动日志
[-- ::,] INFO Registered kafka:type=kafka.Log4jController MBean (kafka.utils.Log4jControllerRegistration$)
[-- ::,] INFO Registered signal handlers for TERM, INT, HUP (org.apache.kafka.common.utils.LoggingSignalHandler)
[-- ::,] INFO starting (kafka.server.KafkaServer)
[-- ::,] INFO Connecting to zookeeper on localhost: (kafka.server.KafkaServer)
[-- ::,] INFO [ZooKeeperClient Kafka server] Initializing a new session to localhost:. (kafka.zookeeper.ZooKeeperClient)
[-- ::,] INFO Client environment:zookeeper.version=3.4.-4c25d480e66aadd371de8bd2fd8da255ac140bcf, built on // : GMT (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Client environment:host.name=localhost (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Client environment:java.version=1.8.0_212 (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Client environment:java.vendor=Oracle Corporation (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Client environment:java.home=/usr/java/jdk1..0_212-amd64/jre (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Client environment:java.class.path=.:/usr/java/default/lib/dt.jar:/usr/java/default/lib/tools.jar:/usr/local/kafka_2.-2.3./bin/../libs/activation-1.1..jar:/usr/local/kafka_2.-2.3./bin/../libs/aopalliance-repackaged-2.5..jar:/usr/local/kafka_2.-2.3./bin/../libs/argparse4j-0.7..jar:/usr/local/kafka_2.-2.3./bin/../libs/audience-annotations-0.5..jar:/usr/local/kafka_2.-2.3./bin/../libs/commons-lang3-3.8..jar:/usr/local/kafka_2.-2.3./bin/../libs/connect-api-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/connect-basic-auth-extension-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/connect-file-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/connect-json-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/connect-runtime-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/connect-transforms-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/guava-20.0.jar:/usr/local/kafka_2.-2.3./bin/../libs/hk2-api-2.5..jar:/usr/local/kafka_2.-2.3./bin/../libs/hk2-locator-2.5..jar:/usr/local/kafka_2.-2.3./bin/../libs/hk2-utils-2.5..jar:/usr/local/kafka_2.-2.3./bin/../libs/jackson-annotations-2.9..jar:/usr/local/kafka_2.-2.3./bin/../libs/jackson-core-2.9..jar:/usr/local/kafka_2.-2.3./bin/../libs/jackson-databind-2.9..jar:/usr/local/kafka_2.-2.3./bin/../libs/jackson-dataformat-csv-2.9..jar:/usr/local/kafka_2.-2.3./bin/../libs/jackson-datatype-jdk8-2.9..jar:/usr/local/kafka_2.-2.3./bin/../libs/jackson-jaxrs-base-2.9..jar:/usr/local/kafka_2.-2.3./bin/../libs/jackson-jaxrs-json-provider-2.9..jar:/usr/local/kafka_2.-2.3./bin/../libs/jackson-module-jaxb-annotations-2.9..jar:/usr/local/kafka_2.-2.3./bin/../libs/jackson-module-paranamer-2.9..jar:/usr/local/kafka_2.-2.3./bin/../libs/jackson-module-scala_2.-2.9..jar:/usr/local/kafka_2.-2.3./bin/../libs/jakarta.annotation-api-1.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/jakarta.inject-2.5..jar:/usr/local/kafka_2.-2.3./bin/../libs/jakarta.ws.rs-api-2.1..jar:/usr/local/kafka_2.-2.3./bin/../libs/javassist-3.22.-CR2.jar:/usr/local/kafka_2.-2.3./bin/../libs/javax.servlet-api-3.1..jar:/usr/local/kafka_2.-2.3./bin/../libs/javax.ws.rs-api-2.1..jar:/usr/local/kafka_2.-2.3./bin/../libs/jaxb-api-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/jersey-client-2.28.jar:/usr/local/kafka_2.-2.3./bin/../libs/jersey-common-2.28.jar:/usr/local/kafka_2.-2.3./bin/../libs/jersey-container-servlet-2.28.jar:/usr/local/kafka_2.-2.3./bin/../libs/jersey-container-servlet-core-2.28.jar:/usr/local/kafka_2.-2.3./bin/../libs/jersey-hk2-2.28.jar:/usr/local/kafka_2.-2.3./bin/../libs/jersey-media-jaxb-2.28.jar:/usr/local/kafka_2.-2.3./bin/../libs/jersey-server-2.28.jar:/usr/local/kafka_2.-2.3./bin/../libs/jetty-client-9.4..v20190429.jar:/usr/local/kafka_2.-2.3./bin/../libs/jetty-continuation-9.4..v20190429.jar:/usr/local/kafka_2.-2.3./bin/../libs/jetty-http-9.4..v20190429.jar:/usr/local/kafka_2.-2.3./bin/../libs/jetty-io-9.4..v20190429.jar:/usr/local/kafka_2.-2.3./bin/../libs/jetty-security-9.4..v20190429.jar:/usr/local/kafka_2.-2.3./bin/../libs/jetty-server-9.4..v20190429.jar:/usr/local/kafka_2.-2.3./bin/../libs/jetty-servlet-9.4..v20190429.jar:/usr/local/kafka_2.-2.3./bin/../libs/jetty-servlets-9.4..v20190429.jar:/usr/local/kafka_2.-2.3./bin/../libs/jetty-util-9.4..v20190429.jar:/usr/local/kafka_2.-2.3./bin/../libs/jopt-simple-5.0..jar:/usr/local/kafka_2.-2.3./bin/../libs/jsr305-3.0..jar:/usr/local/kafka_2.-2.3./bin/../libs/kafka_2.-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/kafka_2.-2.3.-sources.jar:/usr/local/kafka_2.-2.3./bin/../libs/kafka-clients-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/kafka-log4j-appender-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/kafka-streams-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/kafka-streams-examples-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/kafka-streams-scala_2.-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/kafka-streams-test-utils-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/kafka-tools-2.3..jar:/usr/local/kafka_2.-2.3./bin/../libs/log4j-1.2..jar:/usr/local/kafka_2.-2.3./bin/../libs/lz4-java-1.6..jar:/usr/local/kafka_2.-2.3./bin/../libs/maven-artifact-3.6..jar:/usr/local/kafka_2.-2.3./bin/../libs/metrics-core-2.2..jar:/usr/local/kafka_2.-2.3./bin/../libs/osgi-resource-locator-1.0..jar:/usr/local/kafka_2.-2.3./bin/../libs/paranamer-2.8.jar:/usr/local/kafka_2.-2.3./bin/../libs/plexus-utils-3.2..jar:/usr/local/kafka_2.-2.3./bin/../libs/reflections-0.9..jar:/usr/local/kafka_2.-2.3./bin/../libs/rocksdbjni-5.18..jar:/usr/local/kafka_2.-2.3./bin/../libs/scala-library-2.11..jar:/usr/local/kafka_2.-2.3./bin/../libs/scala-logging_2.-3.9..jar:/usr/local/kafka_2.-2.3./bin/../libs/scala-reflect-2.11..jar:/usr/local/kafka_2.-2.3./bin/../libs/slf4j-api-1.7..jar:/usr/local/kafka_2.-2.3./bin/../libs/slf4j-log4j12-1.7..jar:/usr/local/kafka_2.-2.3./bin/../libs/snappy-java-1.1.7.3.jar:/usr/local/kafka_2.-2.3./bin/../libs/spotbugs-annotations-3.1..jar:/usr/local/kafka_2.-2.3./bin/../libs/validation-api-2.0..Final.jar:/usr/local/kafka_2.-2.3./bin/../libs/zkclient-0.11.jar:/usr/local/kafka_2.-2.3./bin/../libs/zookeeper-3.4..jar:/usr/local/kafka_2.-2.3./bin/../libs/zstd-jni-1.4.-.jar (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Client environment:java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Client environment:java.io.tmpdir=/tmp (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Client environment:java.compiler=<NA> (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Client environment:os.name=Linux (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Client environment:os.arch=amd64 (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Client environment:os.version=3.10.-.el7.x86_64 (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Client environment:user.name=root (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Client environment:user.home=/root (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Client environment:user.dir=/usr/local/kafka_2.-2.3./bin (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Initiating client connection, connectString=localhost: sessionTimeout= watcher=kafka.zookeeper.ZooKeeperClient$ZooKeeperClientWatcher$@6302bbb1 (org.apache.zookeeper.ZooKeeper)
[-- ::,] INFO Opening socket connection to server localhost/::::::::. Will not attempt to authenticate using SASL (unknown error) (org.apache.zookeeper.ClientCnxn)
[-- ::,] INFO Socket connection established to localhost/::::::::, initiating session (org.apache.zookeeper.ClientCnxn)
[-- ::,] INFO [ZooKeeperClient Kafka server] Waiting until connected. (kafka.zookeeper.ZooKeeperClient)
[-- ::,] INFO Session establishment complete on server localhost/::::::::, sessionid = 0x1000016e9450000, negotiated timeout = (org.apache.zookeeper.ClientCnxn)
[-- ::,] INFO [ZooKeeperClient Kafka server] Connected. (kafka.zookeeper.ZooKeeperClient)
[-- ::,] INFO Cluster ID = SWLs93NzQPekqvdj7KmbmQ (kafka.server.KafkaServer)
[-- ::,] WARN No meta.properties file under dir /data/kafka/logs-/meta.properties (kafka.server.BrokerMetadataCheckpoint)
[-- ::,] INFO KafkaConfig values:
advertised.host.name = null
advertised.listeners = null
advertised.port = null
alter.config.policy.class.name = null
alter.log.dirs.replication.quota.window.num =
alter.log.dirs.replication.quota.window.size.seconds =
authorizer.class.name =
auto.create.topics.enable = true
auto.leader.rebalance.enable = true
background.threads =
broker.id =
broker.id.generation.enable = true
broker.rack = null
client.quota.callback.class = null
compression.type = producer
connection.failed.authentication.delay.ms =
connections.max.idle.ms =
connections.max.reauth.ms =
control.plane.listener.name = null
controlled.shutdown.enable = true
controlled.shutdown.max.retries =
controlled.shutdown.retry.backoff.ms =
controller.socket.timeout.ms =
create.topic.policy.class.name = null
default.replication.factor =
delegation.token.expiry.check.interval.ms =
delegation.token.expiry.time.ms =
delegation.token.master.key = null
delegation.token.max.lifetime.ms =
delete.records.purgatory.purge.interval.requests =
delete.topic.enable = true
fetch.purgatory.purge.interval.requests =
group.initial.rebalance.delay.ms =
group.max.session.timeout.ms =
group.max.size =
group.min.session.timeout.ms =
host.name =
inter.broker.listener.name = null
inter.broker.protocol.version = 2.3-IV1
kafka.metrics.polling.interval.secs =
kafka.metrics.reporters = []
leader.imbalance.check.interval.seconds =
leader.imbalance.per.broker.percentage =
listener.security.protocol.map = PLAINTEXT:PLAINTEXT,SSL:SSL,SASL_PLAINTEXT:SASL_PLAINTEXT,SASL_SSL:SASL_SSL
listeners = null
log.cleaner.backoff.ms =
log.cleaner.dedupe.buffer.size =
log.cleaner.delete.retention.ms =
log.cleaner.enable = true
log.cleaner.io.buffer.load.factor = 0.9
log.cleaner.io.buffer.size =
log.cleaner.io.max.bytes.per.second = 1.7976931348623157E308
log.cleaner.max.compaction.lag.ms =
log.cleaner.min.cleanable.ratio = 0.5
log.cleaner.min.compaction.lag.ms =
log.cleaner.threads =
log.cleanup.policy = [delete]
log.dir = /tmp/kafka-logs
log.dirs = /data/kafka/logs-
log.flush.interval.messages =
log.flush.interval.ms = null
log.flush.offset.checkpoint.interval.ms =
log.flush.scheduler.interval.ms =
log.flush.start.offset.checkpoint.interval.ms =
log.index.interval.bytes =
log.index.size.max.bytes =
log.message.downconversion.enable = true
log.message.format.version = 2.3-IV1
log.message.timestamp.difference.max.ms =
log.message.timestamp.type = CreateTime
log.preallocate = false
log.retention.bytes = -
log.retention.check.interval.ms =
log.retention.hours =
log.retention.minutes = null
log.retention.ms = null
log.roll.hours =
log.roll.jitter.hours =
log.roll.jitter.ms = null
log.roll.ms = null
log.segment.bytes =
log.segment.delete.delay.ms =
max.connections =
max.connections.per.ip =
max.connections.per.ip.overrides =
max.incremental.fetch.session.cache.slots =
message.max.bytes =
metric.reporters = []
metrics.num.samples =
metrics.recording.level = INFO
metrics.sample.window.ms =
min.insync.replicas =
num.io.threads =
num.network.threads =
num.partitions =
num.recovery.threads.per.data.dir =
num.replica.alter.log.dirs.threads = null
num.replica.fetchers =
offset.metadata.max.bytes =
offsets.commit.required.acks = -
offsets.commit.timeout.ms =
offsets.load.buffer.size =
offsets.retention.check.interval.ms =
offsets.retention.minutes =
offsets.topic.compression.codec =
offsets.topic.num.partitions =
offsets.topic.replication.factor =
offsets.topic.segment.bytes =
password.encoder.cipher.algorithm = AES/CBC/PKCS5Padding
password.encoder.iterations =
password.encoder.key.length =
password.encoder.keyfactory.algorithm = null
password.encoder.old.secret = null
password.encoder.secret = null
port =
principal.builder.class = null
producer.purgatory.purge.interval.requests =
queued.max.request.bytes = -
queued.max.requests =
quota.consumer.default =
quota.producer.default =
quota.window.num =
quota.window.size.seconds =
replica.fetch.backoff.ms =
replica.fetch.max.bytes =
replica.fetch.min.bytes =
replica.fetch.response.max.bytes =
replica.fetch.wait.max.ms =
replica.high.watermark.checkpoint.interval.ms =
replica.lag.time.max.ms =
replica.socket.receive.buffer.bytes =
replica.socket.timeout.ms =
replication.quota.window.num =
replication.quota.window.size.seconds =
request.timeout.ms =
reserved.broker.max.id =
sasl.client.callback.handler.class = null
sasl.enabled.mechanisms = [GSSAPI]
sasl.jaas.config = null
sasl.kerberos.kinit.cmd = /usr/bin/kinit
sasl.kerberos.min.time.before.relogin =
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.login.callback.handler.class = null
sasl.login.class = null
sasl.login.refresh.buffer.seconds =
sasl.login.refresh.min.period.seconds =
sasl.login.refresh.window.factor = 0.8
sasl.login.refresh.window.jitter = 0.05
sasl.mechanism.inter.broker.protocol = GSSAPI
sasl.server.callback.handler.class = null
security.inter.broker.protocol = PLAINTEXT
socket.receive.buffer.bytes =
socket.request.max.bytes =
socket.send.buffer.bytes =
ssl.cipher.suites = []
ssl.client.auth = none
ssl.enabled.protocols = [TLSv1., TLSv1., TLSv1]
ssl.endpoint.identification.algorithm = https
ssl.key.password = null
ssl.keymanager.algorithm = SunX509
ssl.keystore.location = null
ssl.keystore.password = null
ssl.keystore.type = JKS
ssl.principal.mapping.rules = [DEFAULT]
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
transaction.abort.timed.out.transaction.cleanup.interval.ms =
transaction.max.timeout.ms =
transaction.remove.expired.transaction.cleanup.interval.ms =
transaction.state.log.load.buffer.size =
transaction.state.log.min.isr =
transaction.state.log.num.partitions =
transaction.state.log.replication.factor =
transaction.state.log.segment.bytes =
transactional.id.expiration.ms =
unclean.leader.election.enable = false
zookeeper.connect = localhost:
zookeeper.connection.timeout.ms =
zookeeper.max.in.flight.requests =
zookeeper.session.timeout.ms =
zookeeper.set.acl = false
zookeeper.sync.time.ms =
(kafka.server.KafkaConfig)
[-- ::,] INFO KafkaConfig values:
advertised.host.name = null
advertised.listeners = null
advertised.port = null
alter.config.policy.class.name = null
alter.log.dirs.replication.quota.window.num =
alter.log.dirs.replication.quota.window.size.seconds =
authorizer.class.name =
auto.create.topics.enable = true
auto.leader.rebalance.enable = true
background.threads =
broker.id =
broker.id.generation.enable = true
broker.rack = null
client.quota.callback.class = null
compression.type = producer
connection.failed.authentication.delay.ms =
connections.max.idle.ms =
connections.max.reauth.ms =
control.plane.listener.name = null
controlled.shutdown.enable = true
controlled.shutdown.max.retries =
controlled.shutdown.retry.backoff.ms =
controller.socket.timeout.ms =
create.topic.policy.class.name = null
default.replication.factor =
delegation.token.expiry.check.interval.ms =
delegation.token.expiry.time.ms =
delegation.token.master.key = null
delegation.token.max.lifetime.ms =
delete.records.purgatory.purge.interval.requests =
delete.topic.enable = true
fetch.purgatory.purge.interval.requests =
group.initial.rebalance.delay.ms =
group.max.session.timeout.ms =
group.max.size =
group.min.session.timeout.ms =
host.name =
inter.broker.listener.name = null
inter.broker.protocol.version = 2.3-IV1
kafka.metrics.polling.interval.secs =
kafka.metrics.reporters = []
leader.imbalance.check.interval.seconds =
leader.imbalance.per.broker.percentage =
listener.security.protocol.map = PLAINTEXT:PLAINTEXT,SSL:SSL,SASL_PLAINTEXT:SASL_PLAINTEXT,SASL_SSL:SASL_SSL
listeners = null
log.cleaner.backoff.ms =
log.cleaner.dedupe.buffer.size =
log.cleaner.delete.retention.ms =
log.cleaner.enable = true
log.cleaner.io.buffer.load.factor = 0.9
log.cleaner.io.buffer.size =
log.cleaner.io.max.bytes.per.second = 1.7976931348623157E308
log.cleaner.max.compaction.lag.ms =
log.cleaner.min.cleanable.ratio = 0.5
log.cleaner.min.compaction.lag.ms =
log.cleaner.threads =
log.cleanup.policy = [delete]
log.dir = /tmp/kafka-logs
log.dirs = /data/kafka/logs-
log.flush.interval.messages =
log.flush.interval.ms = null
log.flush.offset.checkpoint.interval.ms =
log.flush.scheduler.interval.ms =
log.flush.start.offset.checkpoint.interval.ms =
log.index.interval.bytes =
log.index.size.max.bytes =
log.message.downconversion.enable = true
log.message.format.version = 2.3-IV1
log.message.timestamp.difference.max.ms =
log.message.timestamp.type = CreateTime
log.preallocate = false
log.retention.bytes = -
log.retention.check.interval.ms =
log.retention.hours =
log.retention.minutes = null
log.retention.ms = null
log.roll.hours =
log.roll.jitter.hours =
log.roll.jitter.ms = null
log.roll.ms = null
log.segment.bytes =
log.segment.delete.delay.ms =
max.connections =
max.connections.per.ip =
max.connections.per.ip.overrides =
max.incremental.fetch.session.cache.slots =
message.max.bytes =
metric.reporters = []
metrics.num.samples =
metrics.recording.level = INFO
metrics.sample.window.ms =
min.insync.replicas =
num.io.threads =
num.network.threads =
num.partitions =
num.recovery.threads.per.data.dir =
num.replica.alter.log.dirs.threads = null
num.replica.fetchers =
offset.metadata.max.bytes =
offsets.commit.required.acks = -
offsets.commit.timeout.ms =
offsets.load.buffer.size =
offsets.retention.check.interval.ms =
offsets.retention.minutes =
offsets.topic.compression.codec =
offsets.topic.num.partitions =
offsets.topic.replication.factor =
offsets.topic.segment.bytes =
password.encoder.cipher.algorithm = AES/CBC/PKCS5Padding
password.encoder.iterations =
password.encoder.key.length =
password.encoder.keyfactory.algorithm = null
password.encoder.old.secret = null
password.encoder.secret = null
port =
principal.builder.class = null
producer.purgatory.purge.interval.requests =
queued.max.request.bytes = -
queued.max.requests =
quota.consumer.default =
quota.producer.default =
quota.window.num =
quota.window.size.seconds =
replica.fetch.backoff.ms =
replica.fetch.max.bytes =
replica.fetch.min.bytes =
replica.fetch.response.max.bytes =
replica.fetch.wait.max.ms =
replica.high.watermark.checkpoint.interval.ms =
replica.lag.time.max.ms =
replica.socket.receive.buffer.bytes =
replica.socket.timeout.ms =
replication.quota.window.num =
replication.quota.window.size.seconds =
request.timeout.ms =
reserved.broker.max.id =
sasl.client.callback.handler.class = null
sasl.enabled.mechanisms = [GSSAPI]
sasl.jaas.config = null
sasl.kerberos.kinit.cmd = /usr/bin/kinit
sasl.kerberos.min.time.before.relogin =
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.login.callback.handler.class = null
sasl.login.class = null
sasl.login.refresh.buffer.seconds =
sasl.login.refresh.min.period.seconds =
sasl.login.refresh.window.factor = 0.8
sasl.login.refresh.window.jitter = 0.05
sasl.mechanism.inter.broker.protocol = GSSAPI
sasl.server.callback.handler.class = null
security.inter.broker.protocol = PLAINTEXT
socket.receive.buffer.bytes =
socket.request.max.bytes =
socket.send.buffer.bytes =
ssl.cipher.suites = []
ssl.client.auth = none
ssl.enabled.protocols = [TLSv1., TLSv1., TLSv1]
ssl.endpoint.identification.algorithm = https
ssl.key.password = null
ssl.keymanager.algorithm = SunX509
ssl.keystore.location = null
ssl.keystore.password = null
ssl.keystore.type = JKS
ssl.principal.mapping.rules = [DEFAULT]
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
transaction.abort.timed.out.transaction.cleanup.interval.ms =
transaction.max.timeout.ms =
transaction.remove.expired.transaction.cleanup.interval.ms =
transaction.state.log.load.buffer.size =
transaction.state.log.min.isr =
transaction.state.log.num.partitions =
transaction.state.log.replication.factor =
transaction.state.log.segment.bytes =
transactional.id.expiration.ms =
unclean.leader.election.enable = false
zookeeper.connect = localhost:
zookeeper.connection.timeout.ms =
zookeeper.max.in.flight.requests =
zookeeper.session.timeout.ms =
zookeeper.set.acl = false
zookeeper.sync.time.ms =
(kafka.server.KafkaConfig)
[-- ::,] INFO [ThrottledChannelReaper-Fetch]: Starting (kafka.server.ClientQuotaManager$ThrottledChannelReaper)
[-- ::,] INFO [ThrottledChannelReaper-Produce]: Starting (kafka.server.ClientQuotaManager$ThrottledChannelReaper)
[-- ::,] INFO [ThrottledChannelReaper-Request]: Starting (kafka.server.ClientQuotaManager$ThrottledChannelReaper)
[-- ::,] INFO Log directory /data/kafka/logs- not found, creating it. (kafka.log.LogManager)
[-- ::,] INFO Loading logs. (kafka.log.LogManager)
[-- ::,] INFO Logs loading complete in ms. (kafka.log.LogManager)
[-- ::,] INFO Starting log cleanup with a period of ms. (kafka.log.LogManager)
[-- ::,] INFO Starting log flusher with a default period of ms. (kafka.log.LogManager)
[-- ::,] INFO Awaiting socket connections on 0.0.0.0:. (kafka.network.Acceptor)
[-- ::,] INFO [SocketServer brokerId=] Created data-plane acceptor and processors for endpoint : EndPoint(null,,ListenerName(PLAINTEXT),PLAINTEXT) (kafka.network.SocketServer)
[-- ::,] INFO [SocketServer brokerId=] Started acceptor threads for data-plane (kafka.network.SocketServer)
[-- ::,] INFO [ExpirationReaper--Produce]: Starting (kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper)
[-- ::,] INFO [ExpirationReaper--Fetch]: Starting (kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper)
[-- ::,] INFO [ExpirationReaper--DeleteRecords]: Starting (kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper)
[-- ::,] INFO [ExpirationReaper--ElectPreferredLeader]: Starting (kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper)
[-- ::,] INFO [LogDirFailureHandler]: Starting (kafka.server.ReplicaManager$LogDirFailureHandler)
[-- ::,] INFO Creating /brokers/ids/ (is it secure? false) (kafka.zk.KafkaZkClient)
[-- ::,] INFO Stat of the created znode at /brokers/ids/ is: ,,,,,,,,,,
(kafka.zk.KafkaZkClient)
[-- ::,] INFO Registered broker at path /brokers/ids/ with addresses: ArrayBuffer(EndPoint(localhost,,ListenerName(PLAINTEXT),PLAINTEXT)), czxid (broker epoch): (kafka.zk.KafkaZkClient)
[-- ::,] WARN No meta.properties file under dir /data/kafka/logs-/meta.properties (kafka.server.BrokerMetadataCheckpoint)
[-- ::,] INFO [ExpirationReaper--topic]: Starting (kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper)
[-- ::,] INFO [ExpirationReaper--Heartbeat]: Starting (kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper)
[-- ::,] INFO [ExpirationReaper--Rebalance]: Starting (kafka.server.DelayedOperationPurgatory$ExpiredOperationReaper)
[-- ::,] INFO Successfully created /controller_epoch with initial epoch (kafka.zk.KafkaZkClient)
[-- ::,] INFO [GroupCoordinator ]: Starting up. (kafka.coordinator.group.GroupCoordinator)
[-- ::,] INFO [GroupCoordinator ]: Startup complete. (kafka.coordinator.group.GroupCoordinator)
[-- ::,] INFO [GroupMetadataManager brokerId=] Removed expired offsets in milliseconds. (kafka.coordinator.group.GroupMetadataManager)
[-- ::,] INFO [ProducerId Manager ]: Acquired new producerId block (brokerId:,blockStartProducerId:,blockEndProducerId:) by writing to Zk with path version (kafka.coordinator.transaction.ProducerIdManager)
[-- ::,] INFO [TransactionCoordinator id=] Starting up. (kafka.coordinator.transaction.TransactionCoordinator)
[-- ::,] INFO [Transaction Marker Channel Manager ]: Starting (kafka.coordinator.transaction.TransactionMarkerChannelManager)
[-- ::,] INFO [TransactionCoordinator id=] Startup complete. (kafka.coordinator.transaction.TransactionCoordinator)
[-- ::,] INFO [/config/changes-event-process-thread]: Starting (kafka.common.ZkNodeChangeNotificationListener$ChangeEventProcessThread)
[-- ::,] INFO [SocketServer brokerId=] Started data-plane processors for acceptors (kafka.network.SocketServer)
[-- ::,] INFO Kafka version: 2.3. (org.apache.kafka.common.utils.AppInfoParser)
[-- ::,] INFO Kafka commitId: fc1aaa116b661c8a (org.apache.kafka.common.utils.AppInfoParser)
[-- ::,] INFO Kafka startTimeMs: (org.apache.kafka.common.utils.AppInfoParser)
[-- ::,] INFO [KafkaServer id=] started (kafka.server.KafkaServer)
[-- ::,] INFO [ReplicaFetcherManager on broker ] Removed fetcher for partitions Set(test-) (kafka.server.ReplicaFetcherManager)
[-- ::,] INFO [Log partition=test-, dir=/data/kafka/logs-] Loading producer state till offset with message format version (kafka.log.Log)
[-- ::,] INFO [Log partition=test-, dir=/data/kafka/logs-] Completed load of log with segments, log start offset and log end offset in ms (kafka.log.Log)
[-- ::,] INFO Created log for partition test- in /data/kafka/logs- with properties {compression.type -> producer, message.downconversion.enable -> true, min.insync.replicas -> , segment.jitter.ms -> , cleanup.policy -> [delete], flush.ms -> , segment.bytes -> , retention.ms -> , flush.messages -> , message.format.version -> 2.3-IV1, file.delete.delay.ms -> , max.compaction.lag.ms -> , max.message.bytes -> , min.compaction.lag.ms -> , message.timestamp.type -> CreateTime, preallocate -> false, min.cleanable.dirty.ratio -> 0.5, index.interval.bytes -> , unclean.leader.election.enable -> false, retention.bytes -> -, delete.retention.ms -> , segment.ms -> , message.timestamp.difference.max.ms -> , segment.index.bytes -> }. (kafka.log.LogManager)
[-- ::,] INFO [Partition test- broker=] No checkpointed highwatermark is found for partition test- (kafka.cluster.Partition)
[-- ::,] INFO Replica loaded for partition test- with initial high watermark (kafka.cluster.Replica)
[-- ::,] INFO [Partition test- broker=] test- starts at Leader Epoch from offset . Previous Leader Epoch was: - (kafka.cluster.Partition)
[-- ::,] INFO [GroupMetadataManager brokerId=] Removed expired offsets in milliseconds. (kafka.coordinator.group.GroupMetadataManager)
[-- ::,] INFO [GroupMetadataManager brokerId=] Removed expired offsets in milliseconds. (kafka.coordinator.group.GroupMetadataManager)
3、创建 topic
使用 kafka-topics.sh 创建单分区单副本的 topic test：
sh bin/kafka-topics.sh --create --zookeeper localhost: --replication-factor --partitions --topic test
结果
Created topic test.
查看 topic 列表：
bin/kafka-topics.sh --list --zookeeper localhost:
结果
test
4、产生消息
使用 kafka-console-producer.sh 发送消息：
sh bin/kafka-console-producer.sh --broker-list localhost: --topic test
5、消费消息
使用 kafka-console-consumer.sh 接收消息并在终端打印：
sh bin/kafka-console-consumer.sh --zookeeper localhost: --topic test --from-beginning
打开个新的命令窗口执行上面命令即可查看信息：
出错
zookeeper is not a recognized option
原因：我们使用的是高版本的kafka,换成以下命令
sh bin/kafka-console-consumer.sh --bootstrap-server localhost: --topic test --from-beginning
可以看到这回发布的消息都可以订阅到了。
6、查看描述 topics 信息
sh bin/kafka-topics.sh --describe --zookeeper localhost: --topic test
结果：
解释
第一行给出了所有分区的摘要，每个附加行给出了关于一个分区的信息。 由于我们只有一个分区，所以只有一行。
“Leader”: 是负责给定分区的所有读取和写入的节点。 每个节点将成为分区随机选择部分的领导者。
“Replicas”: 是复制此分区日志的节点列表，无论它们是否是领导者，或者即使他们当前处于活动状态。
“Isr”: 是一组“同步”副本。这是复制品列表的子集，当前活着并被引导到领导者。
集群配置
Kafka 支持两种模式的集群搭建：一种是在单机上运行多个 broker 实例来实现集群，一种是在多台机器上搭建集群。
下面介绍下如何实现单机多 broker 实例集群，其实很简单，只需要如下配置即可。
单机多broker 集群配置
利用单节点部署多个 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-.properties
cp config/server.properties config/server-.properties
vim config/server-.properties
vim config/server-.properties
修改 ：
broker.id=
listeners = PLAINTEXT://your.host.name:9093
log.dir=/data/kafka/logs-
和
broker.id=
listeners = PLAINTEXT://your.host.name:9094
log.dir=/data/kafka/logs-
启动Kafka服务：
bin/kafka-server-start.sh config/server-.properties &
bin/kafka-server-start.sh config/server-.properties &
至此，单机多broker实例的集群配置完毕。
多机多 broker 集群配置
分别在多个节点按上述方式安装 Kafka，配置启动多个 Zookeeper 实例。
假设三台机器 IP 地址是 ： 192.168.153.135， 192.168.153.136， 192.168.153.137
分别配置多个机器上的 Kafka 服务，设置不同的 broker id，zookeeper.connect 设置如下:
vim config/server.properties
里面的 zookeeper.connect
修改为：
zookeeper.connect=192.168.153.135:,192.168.153.136:,192.168.153.137:
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