What will be the output if a Kafka Connect connector is configured with errors.tolerance=all and errors.deadletterqueue.topic.name=dlq-topic when a record fails processing?
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Kafka - Event-Driven Architecture
What will be the output if a Kafka Connect connector is configured with errors.tolerance=all and errors.deadletterqueue.topic.name=dlq-topic when a record fails processing?
AThe connector stops immediately on the first error.
BThe failed record is sent to 'dlq-topic' and processing continues.
CThe failed record is retried endlessly without DLQ involvement.
DThe failed record is logged but not sent to any topic.
Step-by-Step Solution
Solution:
Step 1: Understand errors.tolerance=all
This setting tells the connector to tolerate all errors and not stop processing on failures.
Step 2: Recognize DLQ topic usage
With a DLQ topic configured, failed records are sent there for later analysis.
Final Answer:
The failed record is sent to 'dlq-topic' and processing continues. -> Option B
Quick Check:
errors.tolerance=all + DLQ = send failed records to DLQ [OK]
Quick Trick:errors.tolerance=all + DLQ topic = continue with failed records saved [OK]
Common Mistakes:
Assuming connector stops on error with errors.tolerance=all
Thinking failed records are endlessly retried
Believing failed records are only logged, not sent to DLQ
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