The consistency level for writes to Cassandra.
For mapping each configured Kafka topic to the Cassandra keyspace.table
in order
to create the mapping.
For mapping each configured Kafka topic to the Cassandra keyspace.table
in order
to create the mapping.
To write events from a 'devices.user.events' Kafka topic's event stream to a timeseries Cassandra cluster's keyspace 'devices_timeseries' and table 'device_events': Kafka devices.user.events => Cassandra devices_timeseries.user_events. then the value of devices.user.events.table.sink should be devices_timeseries.user_events.
Map(SinkRoute + "devices.user.events" -> "timeseries_keyspace.user_events", SinkRoute + "devices.sensor.events" -> "timeseries_keyspace.sensor_events")
Consistency level for reads, defaults to LOCAL_ONE; higher consistency level will disable data-locality.
Number of CQL rows to fetch in a single round-trip to Cassandra.
Frequency in ms to poll for new data in each table.
SourceRoute + your.
SourceRoute + your.topic -> query
Size of Cassandra data to be read in a single Kafka task; determines the number of partitions.