Question 196 of 307
Single answerYou are testing a Dataflow pipeline to ingest and transform text files. The files are compressed gzip, errors are written to a dead-letter queue, and you are using
SideInputs to join data. You noticed that the pipeline is taking longer to complete than expected; what should you do to expedite the Dataflow job?
ASwitch to compressed Avro files.
BReduce the batch size.
CRetry records that throw an error.
✓DUse CoGroupByKey instead of the SideInput.
✓
Correct Answer: D
Use CoGroupByKey instead of the SideInput.
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Explanation
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