Kafka 配置手册

简介

Broker 配置项

Kafka-1.1.x

 从1.1开始,kafka的broker部分配置支持动态跟新,不需要重启broker;
 read-only: 需要重启broker, 存储在server.properties
 per-broker:动态更新,每个broker都要更新,存储在zookeeper
 cluster-wide: May be updated dynamically as a cluster-wide default. May also be updated as a per-broker value for testing,存储在zookeeper

Topic 配置

Kafka-1.1.x

Productor 配置

Kafka-1.1.x

Newer Consumer 配置

Kafka-1.1.x

样例配置

生产服务配置

# Replication configurations
num.replica.fetchers=4
replica.fetch.max.bytes=1048576
replica.fetch.wait.max.ms=500
replica.high.watermark.checkpoint.interval.ms=5000
replica.socket.timeout.ms=30000
replica.socket.receive.buffer.bytes=65536
replica.lag.time.max.ms=10000

controller.socket.timeout.ms=30000
controller.message.queue.size=10

# Log configuration
num.partitions=8
message.max.bytes=1000000
auto.create.topics.enable=true
log.index.interval.bytes=4096
log.index.size.max.bytes=10485760
log.retention.hours=168
log.flush.interval.ms=10000
log.flush.interval.messages=20000
log.flush.scheduler.interval.ms=2000
log.roll.hours=168
log.retention.check.interval.ms=300000
log.segment.bytes=1073741824

# ZK configuration
zookeeper.connection.timeout.ms=6000
zookeeper.sync.time.ms=2000

# Socket server configuration
num.io.threads=8
num.network.threads=8
socket.request.max.bytes=104857600
socket.receive.buffer.bytes=1048576
socket.send.buffer.bytes=1048576
queued.max.requests=16
fetch.purgatory.purge.interval.requests=100
producer.purgatory.purge.interval.requests=100