srpn created SPARK-32566:
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Summary: kafka consumer cache capacity is unclear
Key: SPARK-32566
URL: https://issues.apache.org/jira/browse/SPARK-32566
Project: Spark
Issue Type: Documentation
Components: Structured Streaming
Affects Versions: 3.0.0
Reporter: srpn
The
[docs|https://spark.apache.org/docs/latest/streaming-kafka-0-10-integration.html]
mention
{noformat}
The cache for consumers has a default maximum size of 64. If you expect
to be handling more than (64 * number of executors) Kafka partitions,
you can change this setting via
spark.streaming.kafka.consumer.cache.maxCapacity{noformat}
However, the code seems to expect
{code:java}
spark.kafka.consumer.cache.capacity/spark.sql.kafkaConsumerCache.capacity{code}
Would be nice to clear the ambiguity in the documentation or even merge these
configurations in the code
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