Revision history [back]

The size of serialized results in Spark can be comprehended by monitoring the amount of data transferred between different components of Spark. This can be done using Spark UI or by monitoring the network traffic on the running Spark cluster.

Some of the factors that can affect the size of serialized results in Spark include the size of the data being processed, the number of tasks involved in the computation, the amount of data transferred between tasks, the serialization format used, and the compression settings.

To optimize the size of serialized results in Spark, it is important to minimize the amount of data transferred between tasks by using efficient data partitioning and caching strategies. It is also important to choose an appropriate serialization format and compression settings based on the nature of the data being processed and the resources available on the cluster.