class RecordBatchingSinker[B <: RecordBatch] extends PartitionGroupSinker with Logging with Metrics
A PartitionGroupSinker that accumulates records to batches and stores them to some storage once ready.
- B
Type of record batches persisted to storage.
- Self Type
- RecordBatchingSinker[B]
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Instance Constructors
- new RecordBatchingSinker(groupName: String, groupPartitions: Set[TopicPartition], recordBatcher: RecordBatcher[B], batchStorage: RecordBatchStorage[B], batchCommitQueueSize: Int, retryPolicy: Policy)
- groupName
The partition group name (used for metrics and logs).
- groupPartitions
Set of Kafka topic partitions to sink.
- recordBatcher
A record batcher to use.
- batchStorage
A storage to use.
- batchCommitQueueSize
Size of the batch commit queue, once full further attempts to store batches will block.
- retryPolicy
The retry policy to use for all retriable operations.
Value Members
- final def !=(arg0: Any): Boolean
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- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- def close(): Unit
Cleans up and closes the sinker.
Cleans up and closes the sinker.
- Definition Classes
- RecordBatchingSinker → PartitionGroupSinker
- def commitQueueSize: Int
- def createCounter(name: String, tags: Seq[MetricTag] = Seq()): Counter
- Attributes
- protected
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- Metrics
- def createDistribution(name: String, tags: Seq[MetricTag] = Seq()): DistributionSummary
- Attributes
- protected
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- Metrics
- def createGauge[T <: AnyRef](name: String, metric: T, tdf: ToDoubleFunction[T], tags: Seq[MetricTag] = Seq()): Gauge
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- protected
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- Metrics
- def createTimer(name: String, tags: Seq[MetricTag] = Seq(), maxDuration: Duration = null): Timer
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- @native()
- val groupName: String
Name of the partition group, can be used in metrics and logs to differentiate between group sinkers.
Name of the partition group, can be used in metrics and logs to differentiate between group sinkers.
- Definition Classes
- RecordBatchingSinker → PartitionGroupSinker
- val groupPartitions: Set[TopicPartition]
The Kafka topic partitions that this sinker is responsible for.
The Kafka topic partitions that this sinker is responsible for.
- Definition Classes
- RecordBatchingSinker → PartitionGroupSinker
- def hashCode(): Int
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- @native()
- def heartbeat(): Unit
Notifies the sinker that record consumption is still active.
Notifies the sinker that record consumption is still active. Gives the sinker an opportunity to perform flushing with very low traffic streams.
- Definition Classes
- RecordBatchingSinker → PartitionGroupSinker
- def initialize(context: KafkaContext): Map[TopicPartition, Option[StreamPosition]]
Initializes the sinker and returns the stream positions where topic partitions should be reset to before loading.
Initializes the sinker and returns the stream positions where topic partitions should be reset to before loading. Should be called once before any subsequent calls to write. This is most likely a blocking call since it queries Kafka/storage for offsets.
- returns
The initial loader positions in the owned topic partitions. If no position is returned the position will not be reset explicitly, meaning that the consumer will either reset it to the earliest/latest based on the configuration value of
auto.offset.reset, or will reset to the offset stored in Kafka, if any.
- Definition Classes
- RecordBatchingSinker → PartitionGroupSinker
- final def isInstanceOf[T0]: Boolean
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- var kafkaContext: KafkaContext
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- protected
- val log: Logger
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- protected
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- Logging
- val metricsRoot: String
A common prefix for all created metrics.
A common prefix for all created metrics.
- Definition Classes
- RecordBatchingSinker → Metrics
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- final def notify(): Unit
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- final def notifyAll(): Unit
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- def removeMeters(meters: Meter*): Unit
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- protected
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- final def synchronized[T0](arg0: => T0): T0
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- def toString(): String
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- final def wait(): Unit
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- final def wait(arg0: Long, arg1: Int): Unit
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- final def wait(arg0: Long): Unit
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- def write(record: StreamRecord): Unit
Writes a given stream record to storage.
Writes a given stream record to storage.
Calling this method does not ensure that the record will be flushed to storage, e.g. the sinker might implement batching thus delaying the actual storage.
- Definition Classes
- RecordBatchingSinker → PartitionGroupSinker