object CassandraFlow
Scala API to create Cassandra flows.
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- @ApiMayChange()
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- CassandraFlow.scala
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def
createUnloggedBatchWithPassThrough[T, K](parallelism: Int, statement: PreparedStatement, statementBinder: (T, PreparedStatement) ⇒ BoundStatement, partitionKey: (T) ⇒ K, settings: CassandraBatchSettings = CassandraBatchSettings())(implicit session: Session): Flow[T, T, NotUsed]
Creates a flow that batches using an unlogged batch.
Creates a flow that batches using an unlogged batch. Use this when most of the elements in the stream share the same partition key. Cassandra unlogged batches that share the same partition key will only resolve to one write internally in Cassandra, boosting write performance.
Be aware that this stage does not preserve the upstream order.
- def createWithPassThrough[T](parallelism: Int, statement: PreparedStatement, statementBinder: (T, PreparedStatement) ⇒ BoundStatement)(implicit session: Session): Flow[T, T, NotUsed]
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