5.0
Advanced
All settings in milliseconds (msec).
| 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.explore.lucene.max.clause.count | Override Lucene’s maximum number of clauses permitted per BooleanQuery | int | 1024 |
| 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 |