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kafka 配置

清清浅浅
 清清浅浅
发布于 2017/05/26 16:15
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1.配置好zookeeper

2.kafka/config/server.properties

# Licensed to the Apache Software Foundation (ASF) under one or more

# contributor license agreements. See the NOTICE file distributed with

# this work for additional information regarding copyright ownership.

# The ASF licenses this file to You under the Apache License, Version 2.0

# (the "License"); you may not use this file except in compliance with

# the License. You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

 

# see kafka.server.KafkaConfig for additional details and defaults

 

############################# Server Basics #############################

 

# The id of the broker. This must be set to a unique integer for each broker.

broker.id=1

 

# Switch to enable topic deletion or not, default value is false

#delete.topic.enable=true

 

############################# Socket Server Settings #############################

 

# The address the socket server listens on. It will get the value returned from

# java.net.InetAddress.getCanonicalHostName() if not configured.

# FORMAT:

# listeners = listener_name://host_name:port

# EXAMPLE:

# listeners = PLAINTEXT://your.host.name:9092

#listeners=PLAINTEXT://:9092

 

# Hostname and port the broker will advertise to producers and consumers. If not set,

# it uses the value for "listeners" if configured. Otherwise, it will use the value

# returned from java.net.InetAddress.getCanonicalHostName().

#advertised.listeners=PLAINTEXT://your.host.name:9092

 

# Maps listener names to security protocols, the default is for them to be the same. See the config documentation for more details

#listener.security.protocol.map=PLAINTEXT:PLAINTEXT,SSL:SSL,SASL_PLAINTEXT:SASL_PLAINTEXT,SASL_SSL:SASL_SSL

 

# The number of threads handling network requests

num.network.threads=3

 

# The number of threads doing disk I/O

num.io.threads=8

 

# The send buffer (SO_SNDBUF) used by the socket server

socket.send.buffer.bytes=102400

 

# The receive buffer (SO_RCVBUF) used by the socket server

socket.receive.buffer.bytes=102400

 

# The maximum size of a request that the socket server will accept (protection against OOM)

socket.request.max.bytes=104857600

 

 

############################# Log Basics #############################

 

# A comma seperated list of directories under which to store log files

log.dirs=/usr/local/kafka/kafka-logs

 

# The default number of log partitions per topic. More partitions allow greater

# parallelism for consumption, but this will also result in more files across

# the brokers.

num.partitions=1

 

# The number of threads per data directory to be used for log recovery at startup and flushing at shutdown.

# This value is recommended to be increased for installations with data dirs located in RAID array.

num.recovery.threads.per.data.dir=1

 

############################# Log Flush Policy #############################

 

# Messages are immediately written to the filesystem but by default we only fsync() to sync

# the OS cache lazily. The following configurations control the flush of data to disk.

# There are a few important trade-offs here:

# 1. Durability: Unflushed data may be lost if you are not using replication.

# 2. Latency: Very large flush intervals may lead to latency spikes when the flush does occur as there will be a lot of data to flush.

# 3. Throughput: The flush is generally the most expensive operation, and a small flush interval may lead to exceessive seeks.

# The settings below allow one to configure the flush policy to flush data after a period of time or

# every N messages (or both). This can be done globally and overridden on a per-topic basis.

 

# The number of messages to accept before forcing a flush of data to disk

#log.flush.interval.messages=10000

 

# The maximum amount of time a message can sit in a log before we force a flush

#log.flush.interval.ms=1000

 

############################# Log Retention Policy #############################

 

# The following configurations control the disposal of log segments. The policy can

# be set to delete segments after a period of time, or after a given size has accumulated.

# A segment will be deleted whenever *either* of these criteria are met. Deletion always happens

# from the end of the log.

 

# The minimum age of a log file to be eligible for deletion due to age

log.retention.hours=168

 

# A size-based retention policy for logs. Segments are pruned from the log as long as the remaining

# segments don't drop below log.retention.bytes. Functions independently of log.retention.hours.

#log.retention.bytes=1073741824

 

# The maximum size of a log segment file. When this size is reached a new log segment will be created.

log.segment.bytes=1073741824

 

# The interval at which log segments are checked to see if they can be deleted according

# to the retention policies

log.retention.check.interval.ms=300000

 

############################# Zookeeper #############################

 

# Zookeeper connection string (see zookeeper docs for details).

# This is a comma separated host:port pairs, each corresponding to a zk

# server. e.g. "127.0.0.1:3000,127.0.0.1:3001,127.0.0.1:3002".

# You can also append an optional chroot string to the urls to specify the

# root directory for all kafka znodes.

zookeeper.connect=172.22.14.107:2181

 

# Timeout in ms for connecting to zookeeper

zookeeper.connection.timeout.ms=6000

 

3.启动,我只在一个节点上启动,三个节点就全部启动了,因该是zookeeper的作用?

bin/kafka-server-start.sh  config/server.properties >/dev/null 2>&1 &  

4.创建主题  

bin/kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 3 --partitions 3 --topic test

5 查看主题详细  

bin/kafka-topics.sh --describe --zookeeper localhost:2181 --topic test 

 

jps查看进程

 

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