Advanced

Key	Description	Type	Default
lenses.interval.summary	How often to refresh kafka topic list and configs	long	`10000`
lenses.interval.consumers.refresh.ms	How often to refresh kafka consumer group info	long	`10000`
lenses.interval.consumers.timeout.ms	How long to wait for kafka consumer group info to be retrieved	long	`300000`
lenses.interval.partitions.messages	How often to refresh kafka partition info	long	`10000`
lenses.interval.type.detection	How often to check kafka topic payload info	long	`30000`
lenses.interval.user.session.ms	How long a client-session stays alive if inactive (4 hours)	long	`14400000`
lenses.interval.user.session.refresh	How often to check for idle client sessions	long	`60000`
lenses.interval.topology.topics.metrics	How often to refresh topology info	long	`30000`
lenses.interval.schema.registry.healthcheck	How often to check the schema registries health	long	`30000`
lenses.interval.schema.registry.refresh.ms	How often to refresh schema registry data	long	`30000`
lenses.interval.metrics.refresh.zk	How often to refresh ZK metrics	long	`5000`
lenses.interval.metrics.refresh.sr	How often to refresh Schema Registry metrics	long	`5000`
lenses.interval.metrics.refresh.broker	How often to refresh Kafka Broker metrics	long	`5000`
lenses.interval.metrics.refresh.connect	How often to refresh Kafka Connect metrics	long	`30000`
lenses.interval.metrics.refresh.brokers.in.zk	How often to refresh from ZK the Kafka broker list	long	`5000`
lenses.interval.topology.timeout.ms	Time period when a metric is considered stale	long	`120000`
lenses.interval.audit.data.cleanup	How often to clean up dataset view entries from the audit log	long	`300000`
lenses.interval.jmxcache.refresh.ms	How often to refresh the JMX cache used in the Explore page	long	`180000`
lenses.interval.jmxcache.graceperiod.ms	How long to pause for when a JMX connectity error occurs	long	`300000`
lenses.interval.jmxcache.timeout.ms	How long to wait for a JMX response	long	`500`
lenses.interval.sql.udf	How often to look for new UDF/UDAF (user defined [aggregate] functions)	long	`10000`
lenses.kafka.consumers.batch.size	How many consumer groups to retrieve in a single request	Int	`500`
lenses.kafka.ws.heartbeat.ms	How often to send heartbeat messages in TCP connection	long	`30000`
lenses.kafka.ws.poll.ms	Max time for kafka consumer data polling on WS APIs	long	`10000`
lenses.kubernetes.config.reload.interval	Time interval to reload the Kubernetes configuration file.	long	`30000`
lenses.kubernetes.watch.reconnect.limit	How many times to reconnect to Kubernetes Watcher before considering the cluster unavailable	long	`10`
lenses.kubernetes.watch.reconnect.interval	How often to wait between Kubernetes Watcher reconnection attempts	long	`5000`
lenses.kubernetes.websocket.timeout	How long to wait for a Kubernetes Websocket response	long	`15000`
lenses.kubernetes.websocket.ping.interval	How often to ping Kubernetes Websocket to check it’s alive	long	`30000`
lenses.akka.request.timeout.ms	Max time for a response in an Akka Actor	long	`10000`
lenses.sql.monitor.frequency	How often to emit healthcheck and performance metrics on Streaming SQL	long	`10000`
lenses.audit.data.access	Record dataset access as audit log entries	boolean	`true`
lenses.audit.data.max.records	How many dataset view entries to retain in the audit log. Set to `-1` to retain indefinitely	int	`500000`
lenses.audit.to.log.file	When enabled, it stores the audits entries to the Lenses log file.	boolean	`false`
lenses.explore.index.dir	When set, the lucene index of the data catalog will be stored to disk under the path set instead of the memory.	string	N/A
lenses.explore.lucene.max.clause.count	Override Lucene’s maximum number of clauses permitted per BooleanQuery	int	`1024`
lenses.explore.queue.size	Optional setting to bound Lenses internal queue used by the catalog subsystem. It needs to be positive integer or it will be ignored.	int	N/A
lenses.interval.kafka.connect.http.timeout.ms	How long to wait for Kafka Connect response to be retrieved	int	`10000`
lenses.interval.kafka.connect.healthcheck	How often to check the Kafka health	int	`15000`
lenses.interval.schema.registry.http.timeout.ms	How long to wait for Schema Registry response to be retrieved	int	`10000`
lenses.interval.zookeeper.healthcheck	How often to check the Zookeeper health	int	`15000`
lenses.ui.topics.row.limit	The number of Kafka records to load automatically when exploring a topic	int	`200`
lenses.deployments.connect.failure.alert.check.interval	Time interval in seconds to check the connector failure grace period has completed. Used by the Connect auto-restart failed connectors functionality. It needs too be a value between (1,600].	int	`10`
lenses.provisioning.path	Folder on the filesystem containing the provisioning data. See [provisioning docs](link to provisioning docs) for further details	string
lenses.provisioning.interval	Time interval in seconds to check for changes on the provisioning resources	int
lenses.schema.registry.client.http.retryOnTooManyRequest	When enabled, Lenses will retry a request whenever the schema registry returns a 429 `Too Many Requests`	boolean	false
lenses.schema.registry.client.http.maxRetryAwait	Max amount of time to wait whenever a `429 Too Many Requests` is returned.	duration	“2 seconds”
lenses.schema.registry.client.http.maxRetryCount	Max retry count whenever a `429 Too Many Requests` is returned.	integer	2
lenses.schema.registry.client.http.rate.type	Specifies if http requests to the configured schema registry should be rate limited. Can be “sliding” or “unlimited”	“unlimited” \| “sliding”	“unlimited”
lenses.schema.registry.client.http.rate.maxRequests	Whenever the rate limiter is “sliding” this configuration will determine the max amount of requests per window size that are allowed.	integer	N/A
lenses.schema.registry.client.http.rate.window	Whenever the rate limiter is “sliding” this configuration will determine the duration of the window used.	duration	N/A
lenses.connect.client.http.retryOnTooManyRequest	Retry a request whenever a connect cluster returns a 429 `Too Many Requests`	boolean	false
lenses.connect.client.http.maxRetryAwait	Max amount of time to wait whenever a `429 Too Many Requests` is returned.	duration	“2 seconds”
lenses.connect.client.http.maxRetryCount	Max retry count whenever a `429 Too Many Requests` is returned.	integer	2
lenses.connect.client.http.rate.type	Specifies if http requests to the configured connect cluster should be rate limited. Can be “sliding” or “unlimited”	“unlimited” \| “sliding”	“unlimited”
lenses.connect.client.http.rate.maxRequests	Whenever the rate limiter is “sliding” this configuration will determine the max amount of requests per window size that are allowed.	integer	N/A
lenses.connect.client.http.rate.window	Whenever the rate limiter is “sliding” this configuration will determine the duration of the window used.	duration	N/A

Last modified: November 18, 2024