kafka-server-BrokerReconfigurable.adoc

BrokerReconfigurable Contract — Reconfigurable Broker Services

BrokerReconfigurable is the contract of reconfigurable broker services that allow for self-reconfiguration.

BrokerReconfigurable interface is used exclusively by DynamicBrokerConfig.

Table 1. BrokerReconfigurable Contract

Property	Description
reconfigurableConfigs	reconfigurableConfigs: Set[String] Dynamic configurations Used when DynamicBrokerConfig is requested to addBrokerReconfigurable and processReconfiguration
reconfigure	reconfigure( oldConfig: KafkaConfig, newConfig: KafkaConfig): Unit Used when DynamicBrokerConfig is requested to updateCurrentConfig
validateReconfiguration	validateReconfiguration(newConfig: KafkaConfig): Unit Used exclusively when DynamicBrokerConfig is requested to processReconfiguration

Table 2. BrokerReconfigurables

BrokerReconfigurable	Dynamic Configurations
DynamicConnectionQuota	max.connections.per.ip max.connections.per.ip.overrides
DynamicListenerConfig	advertised.listeners listeners listener.security.protocol.map principal.builder.class ssl.protocol ssl.provider ssl.cipher.suites ssl.enabled.protocols ssl.keystore.type ssl.keystore.location ssl.keystore.password ssl.key.password ssl.truststore.type ssl.truststore.location ssl.truststore.password ssl.keymanager.algorithm ssl.trustmanager.algorithm ssl.endpoint.identification.algorithm ssl.secure.random.implementation ssl.client.auth sasl.mechanism.inter.broker.protocol sasl.jaas.config sasl.enabled.mechanisms sasl.kerberos.service.name sasl.kerberos.kinit.cmd sasl.kerberos.ticket.renew.window.factor sasl.kerberos.ticket.renew.jitter sasl.kerberos.min.time.before.relogin sasl.kerberos.principal.to.local.rules sasl.login.refresh.window.factor sasl.login.refresh.window.jitter sasl.login.refresh.min.period.seconds sasl.login.refresh.buffer.seconds
DynamicThreadPool	num.io.threads num.network.threads num.replica.fetchers num.recovery.threads.per.data.dir background.threads
LogCleaner	log.cleaner.threads log.cleaner.dedupe.buffer.size log.cleaner.io.buffer.load.factor log.cleaner.io.buffer.size log.cleaner.io.max.bytes.per.second log.cleaner.backoff.ms message.max.bytes