Kafka Cluster Configuration

Kafka Configuration Variability

The defaults and exact list of cluster configuration options may differ between various Kafka versions. For the most accurate information, please refer to the documentation for the specific Kafka version.

Names	Default Value	Read-only	Sensitive	Description
advertised.listeners	PLAINTEXT://127.0.0.1:9092	❌	❌	Listeners to publish to ZooKeeper for clients to use, if different than the listeners config property.
allow.everyone.if.no.acl.found		✅	✅	Indicates whether a request should be allowed if no ACL is found for the resource.
alter.config.policy.class.name		✅	❌	A class name that implements the AlterConfigPolicy interface, used for custom policies when altering configurations.
alter.log.dirs.replication.quota.window.num	11	✅	❌	Number of samples to use for tracking alter log dirs replication quotas.
alter.log.dirs.replication.quota.window.size.seconds	1	✅	❌	Time span for each sample used for tracking alter log dirs replication quotas.
authorizer.class.name	org.apache.kafka.metadata.authorizer.StandardAuthorizer	✅	❌	Class name of the authorizer used for ACL-based authorization.
auto.create.topics.enable	true	✅	❌	Enable auto creation of topics.
auto.include.jmx.reporter	true	✅	❌	Enable automatic inclusion of JMX reporter.
auto.leader.rebalance.enable	true	✅	❌	Enable auto leader balancing.
background.threads	10	❌	❌	Number of threads to use for various background processing tasks.
broker.heartbeat.interval.ms	2000	✅	❌	The interval at which the broker sends heartbeats to ZooKeeper.
broker.id	1	✅	❌	Unique ID of the broker.
broker.id.generation.enable	true	✅	❌	Enable automatic generation of broker IDs.
broker.rack		✅	❌	Rack ID of the broker.
broker.session.timeout.ms	9000	✅	❌	The timeout used to detect broker failures when using ZooKeeper.
client.quota.callback.class		✅	❌	A class name that implements the ClientQuotaCallback interface.
compression.type	producer	❌	❌	Specify the compression type for data generated by the broker.
connection.failed.authentication.delay.ms	100	✅	❌	Time in milliseconds to delay an authentication failure.
connections.max.idle.ms	600000	✅	❌	Idle time after which connections are closed.
connections.max.reauth.ms	0	✅	❌	Maximum time to delay re-authentication of connections.
control.plane.listener.name		✅	❌	Listener name for the control plane.
controlled.shutdown.enable	true	✅	❌	Enable controlled shutdown of the broker.
controlled.shutdown.max.retries	3	✅	❌	Maximum number of retries for controlled shutdown.
controlled.shutdown.retry.backoff.ms	5000	✅	❌	Backoff time between retries during controlled shutdown.
controller.listener.names	CONTROLLER	✅	❌	Listener names for the controller.
controller.quorum.append.linger.ms	25	✅	❌	Time in milliseconds to delay appending to the controller quorum log.
controller.quorum.election.backoff.max.ms	1000	✅	❌	Maximum backoff time in milliseconds for controller quorum election.
controller.quorum.election.timeout.ms	1000	✅	❌	Timeout in milliseconds for controller quorum election.
controller.quorum.fetch.timeout.ms	2000	✅	❌	Timeout in milliseconds for fetching from the controller quorum.
controller.quorum.request.timeout.ms	2000	✅	❌	Timeout in milliseconds for controller quorum requests.
controller.quorum.retry.backoff.ms	20	✅	❌	Backoff time in milliseconds between retries for controller quorum operations.
controller.quorum.voters	1@127.0.0.1:9093	✅	❌	Voters in the controller quorum.
controller.quota.window.num	11	✅	❌	Number of samples to use for tracking controller quotas.
controller.quota.window.size.seconds	1	✅	❌	Time span for each sample used for tracking controller quotas.
controller.socket.timeout.ms	30000	✅	❌	Socket timeout for controller connections.
create.topic.policy.class.name		✅	❌	A class name that implements the CreateTopicPolicy interface.
default.replication.factor	1	✅	❌	Default replication factor for automatically created topics.
delegation.token.expiry.check.interval.ms	3600000	✅	❌	Interval in milliseconds for delegation token expiry checks.
delegation.token.expiry.time.ms	86400000	✅	❌	Time in milliseconds for delegation token expiry.
delegation.token.master.key		✅	✅	Master key for signing delegation tokens.
delegation.token.max.lifetime.ms	604800000	✅	❌	Maximum lifetime for delegation tokens.
delegation.token.secret.key		✅	✅	Secret key for signing delegation tokens.
delete.records.purgatory.purge.interval.requests	1	✅	❌	Interval in requests to purge the delete records purgatory.
delete.topic.enable	true	✅	❌	Enable topic deletion.
early.start.listeners		✅	❌	Listeners to start early during broker startup.
fetch.max.bytes	57671680	✅	❌	Maximum bytes fetched per request.
fetch.purgatory.purge.interval.requests	1000	✅	❌	Interval in requests to purge the fetch purgatory.
group.initial.rebalance.delay.ms	3000	✅	❌	Initial rebalance delay for consumer groups.
group.max.session.timeout.ms	1800000	✅	❌	Maximum session timeout for consumer groups.
group.max.size	2147483647	✅	❌	Maximum size of consumer groups.
group.min.session.timeout.ms	6000	✅	❌	Minimum session timeout for consumer groups.
initial.broker.registration.timeout.ms	60000	✅	❌	Timeout for initial broker registration.
inter.broker.listener.name	PLAINTEXT	✅	❌	Listener name for inter-broker communication.
inter.broker.protocol.version	3.6-IV2	✅	❌	Protocol version for inter-broker communication.
kafka.metrics.polling.interval.secs	10	✅	❌	Polling interval for Kafka metrics.
kafka.metrics.reporters		✅	❌	List of classes implementing the MetricsReporter interface.
leader.imbalance.check.interval.seconds	300	✅	❌	Interval in seconds to check for leader imbalance.
leader.imbalance.per.broker.percentage	10	✅	❌	Percentage of imbalance tolerated per broker.
listener.security.protocol.map	CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT	❌	❌	Mapping of listener names to security protocols.
listeners	PLAINTEXT://:9092,CONTROLLER://:9093	❌	❌	Listeners for broker connections.
log.cleaner.backoff.ms	15000	❌	❌	Backoff time between log cleaner operations.
log.cleaner.dedupe.buffer.size	134217728	❌	❌	Size of the buffer used for log cleaning.
log.cleaner.delete.retention.ms	86400000	❌	❌	Retention time for deleted records.
log.cleaner.enable	true	✅	❌	Enable log cleaner.
log.cleaner.io.buffer.load.factor	0.9	❌	❌	Load factor for the log cleaner IO buffer.
log.cleaner.io.buffer.size	524288	❌	❌	Size of the log cleaner IO buffer.
log.cleaner.io.max.bytes.per.second	1.7976931348623157E308	❌	❌	Maximum bytes per second for log cleaner IO.
log.cleaner.max.compaction.lag.ms	9223372036854775807	❌	❌	Maximum compaction lag for log cleaner.
log.cleaner.min.cleanable.ratio	0.5	❌	❌	Minimum cleanable ratio for log cleaner.
log.cleaner.min.compaction.lag.ms	0	❌	❌	Minimum compaction lag for log cleaner.
log.cleaner.threads	1	❌	❌	Number of threads for log cleaner.
log.cleanup.policy	delete	❌	❌	Policy for log cleanup.
log.dir	/tmp/kafka-logs	✅	❌	Directory for log files.
log.dirs	/var/lib/kafka/data	✅	❌	Directories for log files.
log.flush.interval.messages	9223372036854775807	❌	❌	Interval in messages for log flush.
log.flush.interval.ms		❌	❌	Interval in milliseconds for log flush.
log.flush.offset.checkpoint.interval.ms	60000	✅	❌	Interval in milliseconds for log offset checkpoint.
log.flush.scheduler.interval.ms	9223372036854775807	✅	❌	Interval in milliseconds for log flush scheduler.
log.flush.start.offset.checkpoint.interval.ms	60000	✅	❌	Interval in milliseconds for log flush start offset checkpoint.
log.index.interval.bytes	4096	❌	❌	Interval in bytes for log index.
log.index.size.max.bytes	10485760	❌	❌	Maximum size in bytes for log index.
log.local.retention.bytes	-2	❌	❌	Local retention size in bytes for log.
log.local.retention.ms	-2	❌	❌	Local retention time in milliseconds for log.
log.message.downconversion.enable	true	❌	❌	Enable downconversion of log messages.
log.message.format.version	3.0-IV1	✅	❌	Format version for log messages.
log.message.timestamp.after.max.ms	9223372036854775807	❌	❌	Maximum timestamp difference for log messages.
log.message.timestamp.before.max.ms	9223372036854775807	❌	❌	Maximum timestamp before log messages.
log.message.timestamp.difference.max.ms	9223372036854775807	❌	❌	Maximum timestamp difference for log messages.
log.message.timestamp.type	CreateTime	❌	❌	Type of timestamp for log messages.
log.preallocate	false	❌	❌	Preallocate log segments.
log.retention.bytes	-1	❌	❌	Retention size in bytes for log.
log.retention.check.interval.ms	300000	✅	❌	Interval in milliseconds for log retention check.
log.retention.hours	168	✅	❌	Retention time in hours for log.
log.retention.minutes		✅	❌	Retention time in minutes for log.
log.retention.ms		❌	❌	Retention time in milliseconds for log.
log.roll.hours	168	✅	❌	Roll interval in hours for log segments.
log.roll.jitter.hours	0	✅	❌	Jitter for log roll interval in hours.
log.roll.jitter.ms		❌	❌	Jitter for log roll interval in milliseconds.
log.roll.ms		❌	❌	Roll interval in milliseconds for log segments.
log.segment.bytes	1073741824	❌	❌	Size of log segments in bytes.
log.segment.delete.delay.ms	60000	❌	❌	Delay in milliseconds before deleting log segments.
max.connection.creation.rate	2147483647	❌	❌	Maximum rate of connection creation.
max.connections	2147483647	❌	❌	Maximum number of connections.
max.connections.per.ip	2147483647	❌	❌	Maximum number of connections per IP.
max.connections.per.ip.overrides		❌	❌	Overrides for maximum connections per IP.
max.incremental.fetch.session.cache.slots	1000	✅	❌	Maximum cache slots for incremental fetch sessions.
message.max.bytes	1048588	❌	❌	Maximum size of messages.
metadata.log.dir		✅	❌	Directory for metadata log.
metadata.log.max.record.bytes.between.snapshots	20971520	✅	❌	Maximum bytes between metadata log snapshots.
metadata.log.max.snapshot.interval.ms	3600000	✅	❌	Maximum interval between metadata log snapshots.
metadata.log.segment.bytes	1073741824	✅	❌	Size of metadata log segments in bytes.
metadata.log.segment.ms	604800000	✅	❌	Interval in milliseconds for metadata log segments.
metadata.max.idle.interval.ms	500	✅	❌	Maximum idle interval for metadata.
metadata.max.retention.bytes	104857600	✅	❌	Maximum retention size for metadata.
metadata.max.retention.ms	604800000	✅	❌	Maximum retention time for metadata.
metric.reporters		❌	❌	List of metric reporter classes.
metrics.num.samples	2	✅	❌	Number of metric samples.
metrics.recording.level	INFO	✅	❌	Recording level for metrics.
metrics.sample.window.ms	30000	✅	❌	Sample window for metrics.
min.insync.replicas	1	❌	❌	Minimum in-sync replicas.
node.id	1	✅	❌	ID of the node.
num.io.threads	8	❌	❌	Number of IO threads.
num.network.threads	3	❌	❌	Number of network threads.
num.partitions	1	✅	❌	Number of partitions.
num.recovery.threads.per.data.dir	1	❌	❌	Number of recovery threads per data directory.
num.replica.alter.log.dirs.threads		✅	❌	Number of threads for altering replica log dirs.
num.replica.fetchers	1	❌	❌	Number of replica fetchers.
offset.metadata.max.bytes	4096	✅	❌	Maximum bytes for offset metadata.
offsets.commit.required.acks	-1	✅	❌	Required acknowledgments for offset commits.
offsets.commit.timeout.ms	5000	✅	❌	Timeout for offset commits.
offsets.load.buffer.size	5242880	✅	❌	Buffer size for loading offsets.
offsets.retention.check.interval.ms	600000	✅	❌	Interval for checking offset retention.
offsets.retention.minutes	10080	✅	❌	Retention time in minutes for offsets.
offsets.topic.compression.codec	0	✅	❌	Compression codec for offsets topic.
offsets.topic.num.partitions	50	✅	❌	Number of partitions for offsets topic.
offsets.topic.replication.factor	1	✅	❌	Replication factor for offsets topic.
offsets.topic.segment.bytes	104857600	✅	❌	Segment size for offsets topic.
password.encoder.cipher.algorithm	AES/CBC/PKCS5Padding	✅	❌	Cipher algorithm for password encoder.
password.encoder.iterations	4096	✅	❌	Iterations for password encoder.
password.encoder.key.length	128	✅	❌	Key length for password encoder.
password.encoder.keyfactory.algorithm		✅	❌	Key factory algorithm for password encoder.
password.encoder.old.secret		✅	✅	Old secret for password encoder.
password.encoder.secret		✅	✅	Secret for password encoder.
principal.builder.class	org.apache.kafka.common.security.authenticator.DefaultKafkaPrincipalBuilder	❌	❌	Class name of the principal builder.
process.roles	broker,controller	✅	❌	Roles of the process.
producer.id.expiration.ms	86400000	❌	❌	Expiration time for producer IDs.
producer.purgatory.purge.interval.requests	1000	✅	❌	Purge interval for producer purgatory.
queued.max.request.bytes	-1	✅	❌	Maximum request bytes in the queue.
queued.max.requests	500	✅	❌	Maximum number of requests in the queue.
quota.window.num	11	✅	❌	Number of samples for quota tracking.
quota.window.size.seconds	1	✅	❌	Time span for each quota sample.
remote.log.manager.task.interval.ms	30000	✅	❌	Interval for remote log manager tasks.
remote.log.manager.thread.pool.size	10	✅	❌	Thread pool size for remote log manager.
remote.log.metadata.custom.metadata.max.bytes	128	✅	❌	Maximum custom metadata bytes for remote log metadata.
remote.log.metadata.manager.class.name	org.apache.kafka.server.log.remote.metadata.storage.TopicBasedRemoteLogMetadataManager	✅	❌	Class name of the remote log metadata manager.
remote.log.metadata.manager.class.path		✅	❌	Class path for the remote log metadata manager.
remote.log.metadata.manager.impl.prefix	rlmm.config.	✅	❌	Prefix for remote log metadata manager implementation.
remote.log.metadata.manager.listener.name		✅	❌	Listener name for the remote log metadata manager.
remote.log.reader.max.pending.tasks	100	✅	❌	Maximum pending tasks for remote log reader.
remote.log.reader.threads	10	✅	❌	Number of threads for remote log reader.
remote.log.storage.manager.class.name		✅	❌	Class name of the remote log storage manager.
remote.log.storage.manager.class.path		✅	❌	Class path for the remote log storage manager.
remote.log.storage.manager.impl.prefix	rsm.config.	✅	❌	Prefix for remote log storage manager implementation.
remote.log.storage.system.enable	false	✅	❌	Enable remote log storage system.
replica.fetch.backoff.ms	1000	✅	❌	Backoff time for replica fetch.
replica.fetch.max.bytes	1048576	✅	❌	Maximum bytes for replica fetch.
replica.fetch.min.bytes	1	✅	❌	Minimum bytes for replica fetch.
replica.fetch.response.max.bytes	10485760	✅	❌	Maximum response bytes for replica fetch.
replica.fetch.wait.max.ms	500	✅	❌	Maximum wait time for replica fetch.
replica.high.watermark.checkpoint.interval.ms	5000	✅	❌	Interval for high watermark checkpointing.
replica.lag.time.max.ms	30000	✅	❌	Maximum lag time for replica.
replica.selector.class		✅	❌	Class name of the replica selector.
replica.socket.receive.buffer.bytes	65536	✅	❌	Receive buffer size for replica socket.
replica.socket.timeout.ms	30000	✅	❌	Timeout for replica socket.
replication.quota.window.num	11	✅	❌	Number of samples for replication quota.
replication.quota.window.size.seconds	1	✅	❌	Time span for each replication quota sample.
request.timeout.ms	30000	✅	❌	Timeout for requests.
reserved.broker.max.id	1000	✅	❌	Maximum reserved broker ID.
sasl.client.callback.handler.class		✅	❌	Class name of the SASL client callback handler.
sasl.enabled.mechanisms	GSSAPI	❌	❌	Enabled SASL mechanisms.
sasl.jaas.config		❌	✅	JAAS configuration for SASL.
sasl.kerberos.kinit.cmd	/usr/bin/kinit	❌	❌	Kerberos kinit command.
sasl.kerberos.min.time.before.relogin	60000	❌	❌	Minimum time before Kerberos relogin.
sasl.kerberos.principal.to.local.rules	DEFAULT	❌	❌	Rules for Kerberos principal to local mapping.
sasl.kerberos.service.name		❌	❌	Kerberos service name.
sasl.kerberos.ticket.renew.jitter	0.05	❌	❌	Jitter for Kerberos ticket renewal.
sasl.kerberos.ticket.renew.window.factor	0.8	❌	❌	Window factor for Kerberos ticket renewal.
sasl.login.callback.handler.class		✅	❌	Class name of the SASL login callback handler.
sasl.login.class		✅	❌	Class name of the SASL login module.
sasl.login.connect.timeout.ms		✅	❌	Connection timeout for SASL login.
sasl.login.read.timeout.ms		✅	❌	Read timeout for SASL login.
sasl.login.refresh.buffer.seconds	300	❌	❌	Buffer time for SASL login refresh.
sasl.login.refresh.min.period.seconds	60	❌	❌	Minimum period for SASL login refresh.
sasl.login.refresh.window.factor	0.8	❌	❌	Window factor for SASL login refresh.
sasl.login.refresh.window.jitter	0.05	❌	❌	Jitter for SASL login refresh window.
sasl.login.retry.backoff.max.ms	10000	✅	❌	Maximum backoff for SASL login retry.
sasl.login.retry.backoff.ms	100	✅	❌	Backoff time for SASL login retry.
sasl.mechanism.controller.protocol	GSSAPI	✅	❌	SASL mechanism for controller protocol.
sasl.mechanism.inter.broker.protocol	GSSAPI	❌	❌	SASL mechanism for inter-broker protocol.
sasl.oauthbearer.clock.skew.seconds	30	✅	❌	Clock skew for OAuthBearer.
sasl.oauthbearer.expected.audience		✅	❌	Expected audience for OAuthBearer.
sasl.oauthbearer.expected.issuer		✅	❌	Expected issuer for OAuthBearer.
sasl.oauthbearer.jwks.endpoint.refresh.ms	3600000	✅	❌	JWKS endpoint refresh interval for OAuthBearer.
sasl.oauthbearer.jwks.endpoint.retry.backoff.max.ms	10000	✅	❌	Maximum backoff for JWKS endpoint retry.
sasl.oauthbearer.jwks.endpoint.retry.backoff.ms	100	✅	❌	Backoff time for JWKS endpoint retry.
sasl.oauthbearer.jwks.endpoint.url		✅	❌	JWKS endpoint URL for OAuthBearer.
sasl.oauthbearer.scope.claim.name	scope	✅	❌	Scope claim name for OAuthBearer.
sasl.oauthbearer.sub.claim.name	sub	✅	❌	Sub claim name for OAuthBearer.
sasl.oauthbearer.token.endpoint.url		✅	❌	Token endpoint URL for OAuthBearer.
sasl.server.callback.handler.class		✅	❌	Class name of the SASL server callback handler.
sasl.server.max.receive.size	524288	✅	❌	Maximum receive size for SASL server.
security.inter.broker.protocol	PLAINTEXT	✅	❌	Security protocol for inter-broker communication.
security.providers		✅	❌	List of security providers.
socket.connection.setup.timeout.max.ms	30000	✅	❌	Maximum setup timeout for socket connection.
socket.connection.setup.timeout.ms	10000	✅	❌	Setup timeout for socket connection.
socket.listen.backlog.size	50	✅	❌	Listen backlog size for socket.
socket.receive.buffer.bytes	102400	✅	❌	Receive buffer size for socket.
socket.request.max.bytes	104857600	✅	❌	Maximum request size for socket.
socket.send.buffer.bytes	102400	✅	❌	Send buffer size for socket.
ssl.cipher.suites		❌	❌	Cipher suites for SSL.
ssl.client.auth	none	❌	❌	Client authentication setting for SSL.
ssl.enabled.protocols	TLSv1.2,TLSv1.3	❌	❌	Enabled protocols for SSL.
ssl.endpoint.identification.algorithm	https	❌	❌	Endpoint identification algorithm for SSL.
ssl.engine.factory.class		❌	❌	Class name of the SSL engine factory.
ssl.key.password		❌	✅	Password for SSL key.
ssl.keymanager.algorithm	SunX509	❌	❌	Key manager algorithm for SSL.
ssl.keystore.certificate.chain		❌	✅	Certificate chain for SSL keystore.
ssl.keystore.key		❌	✅	Key for SSL keystore.
ssl.keystore.location		❌	❌	Location of the SSL keystore.
ssl.keystore.password		❌	✅	Password for SSL keystore.
ssl.keystore.type	JKS	❌	❌	Type of the SSL keystore.
ssl.principal.mapping.rules	DEFAULT	✅	❌	Principal mapping rules for SSL.
ssl.protocol	TLSv1.3	❌	❌	Protocol for SSL.
ssl.provider		❌	❌	Provider for SSL.
ssl.secure.random.implementation		❌	❌	Implementation of secure random for SSL.
ssl.trustmanager.algorithm	PKIX	❌	❌	Trust manager algorithm for SSL.
ssl.truststore.certificates		❌	✅	Certificates for SSL truststore.
ssl.truststore.location		❌	❌	Location of the SSL truststore.
ssl.truststore.password		❌	✅	Password for SSL truststore.
ssl.truststore.type	JKS	❌	❌	Type of the SSL truststore.
transaction.abort.timed.out.transaction.cleanup.interval.ms	10000	✅	❌	Interval for cleaning up timed out transactions.
transaction.max.timeout.ms	900000	✅	❌	Maximum timeout for transactions.
transaction.partition.verification.enable	true	❌	❌	Enable partition verification for transactions.
transaction.remove.expired.transaction.cleanup.interval.ms	3600000	✅	❌	Interval for cleaning up expired transactions.
transaction.state.log.load.buffer.size	5242880	✅	❌	Buffer size for loading transaction state logs.
transaction.state.log.min.isr	1	✅	❌	Minimum in-sync replicas for transaction state logs.
transaction.state.log.num.partitions	50	✅	❌	Number of partitions for transaction state logs.
transaction.state.log.replication.factor	1	✅	❌	Replication factor for transaction state logs.
transaction.state.log.segment.bytes	104857600	✅	❌	Segment size for transaction state logs.
transactional.id.expiration.ms	604800000	✅	❌	Expiration time for transactional IDs.
unclean.leader.election.enable	false	❌	❌	Enable unclean leader election.
zookeeper.clientCnxnSocket		✅	❌	Client connection socket for ZooKeeper.
zookeeper.connect		✅	❌	ZooKeeper connection string.
zookeeper.connection.timeout.ms		✅	❌	Connection timeout for ZooKeeper.
zookeeper.max.in.flight.requests	10	✅	❌	Maximum in-flight requests for ZooKeeper.
zookeeper.metadata.migration.enable	false	✅	❌	Enable metadata migration to ZooKeeper.
zookeeper.session.timeout.ms	18000	✅	❌	Session timeout for ZooKeeper.
zookeeper.set.acl	false	✅	❌	Set ACL for ZooKeeper.
zookeeper.ssl.cipher.suites		✅	❌	Cipher suites for ZooKeeper SSL.
zookeeper.ssl.client.enable	false	✅	❌	Enable ZooKeeper SSL for clients.
zookeeper.ssl.crl.enable	false	✅	❌	Enable CRL for ZooKeeper SSL.
zookeeper.ssl.enabled.protocols		✅	❌	Enabled protocols for ZooKeeper SSL.
zookeeper.ssl.endpoint.identification.algorithm	HTTPS	✅	❌	Endpoint identification algorithm for ZooKeeper SSL.
zookeeper.ssl.keystore.location		✅	❌	Location of the keystore for ZooKeeper SSL.
zookeeper.ssl.keystore.password		✅	✅	Password for the keystore for ZooKeeper SSL.
zookeeper.ssl.keystore.type		✅	❌	Type of the keystore for ZooKeeper SSL.
zookeeper.ssl.ocsp.enable	false	✅	❌	Enable OCSP for ZooKeeper SSL.
zookeeper.ssl.protocol	TLSv1.2	✅	❌	Protocol for ZooKeeper SSL.
zookeeper.ssl.truststore.location		✅	❌	Location of the truststore for ZooKeeper SSL.
zookeeper.ssl.truststore.password		✅	✅	Password for the truststore for ZooKeeper SSL.
zookeeper.ssl.truststore.type		✅	❌	Type of the truststore for ZooKeeper SSL.

Legend

• Names: The name of the parameter or setting with its synonyms.
• Default Value: The initial value assigned to the parameter if not explicitly set.
• Read-Only: Indicates if the parameter is immutable and cannot be modified.
• Sensitive: Specifies if the parameter contains sensitive information that will not be accessible or visible using Karafka.
• Description: A detailed explanation of the parameter's purpose and usage.