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Explain when to use field grouping in storm? Is there any time-out or limit to known field values?
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Answer Posted / Anubhav Singh
"Field grouping in Apache Storm is used for efficient processing of messages with large numbers of fields. It groups together the same fields across multiple tuples and sends them as a single tuple to the next bolt. This can help reduce memory usage and improve performance. There are no specific time-outs or limits on known field values; however, you should be mindful of the memory constraints in your system when using field grouping.
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