Siren Platform User Guide

Tuple Collector Settings

Tuple Collectors are sending batches of tuples of fixed size. The size of a batch has an impact on the performance. Smaller batches will take less memory but will increase cpu times on the receiver side since it will have to reconstruct a tuple collection from many small batches (especially for sorted tuple collection). By default, the size of a batch of tuple is set to 1048576 tuples (which represents 8mb for a column of long datatype). The size can be configured using the setting key with a integer value representing the maximum number of tuples in a batch.

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