To increase consumerthroughput, one effective strategy is toincrease the amount of datafetched in each poll by raisingfetch.max.bytesormax.partition.fetch.bytes. This allows each poll to retrieve more records per request, improving processing efficiency.
FromKafka Consumer Config Docs:
“Increasing fetch size allows consumers to retrieve larger batches of messages, improving throughput and reducing request overhead.”
Removing consumers (A) may reduce parallelism.
Manual commit (C) adds complexity, not throughput.
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