4.Configuration

2.4.1 Overview

EFAK has a number of configuration options that you can specify in a .properties configuration file or specified using environment variables.

You must restart EFAK for any configuration changes to take effect.

2.4.2 Config file locations

Do not rename system-config.properties! EFAK defaults are stored in this file.

2.4.3 Base Common

Name	Default	Describe
efak.zk.cluster.alias	cluster1,cluster2	Kafka multi cluster alias attribute.
cluster1.zk.list	ke01:2181,ke02:2181,ke03:2181/cluster1	Kafka cluster1 zookeeper address.
cluster2.zk.list	ke01:2181,ke02:2181,ke03:2181/cluster2	Kafka cluster2 zookeeper address.
kafka.zk.limit.size	8	EFAK maximum number of connections for the Zookeeper client.
cluster1.efak.broker.size	10	Kafka broker size online list.
cluster2.efak.broker.size	20	Kafka broker size online list.
efak.webui.port	8048	EFAK webui port.
cluster1.efak.offset.storage	kafka	Kafka offsets stored in kafka.
cluster1.efak.offset.storage	zk	Kafka offsets stored in zookeeper.
efak.metrics.charts	false	EFAK default disable metrics.
efak.metrics.retain	15	EFAK default retain metrics data.
efak.sql.fix.error	false	EFAK default disable fixed kafka sql query error.
efak.sql.topic.records.max	5000	EFAK SQL query topic max records.
efak.topic.token	keadmin	EFAK delete topic token.

2.4.4 Database Property

MySQL

Name	Default	Describe
efak.driver	com.mysql.jdbc.Driver	EFAK store database driver.
efak.url	jdbc:mysql://127.0.0.1:3306/ke?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull	EFAK store database url.
efak.username	root	EFAK store database username.
efak.password	123456	EFAK store database password.

SQLite

Name	Default	Describe
efak.driver	org.sqlite.JDBC	EFAK store database driver.
efak.url	jdbc:sqlite:/hadoop/kafka-eagle/db/ke.db	EFAK store database url.
efak.username	root	EFAK store database username.
efak.password	123456	EFAK store database password.