vipin Kumar created SPARK-49442:
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Summary: Complete Metadata requests on each micro batch causing
Kafka issues
Key: SPARK-49442
URL: https://issues.apache.org/jira/browse/SPARK-49442
Project: Spark
Issue Type: Bug
Components: Structured Streaming
Affects Versions: 3.3.2
Reporter: vipin Kumar
We have noticed that spark does complete metadata requests on each micro batch
and this is causing high metadata requests on small micro batch intervals .
For example Kafka with 1900 partitions and 10 sec micro batch we are seeing
order of
~{*}360K{*} metadata requests / sec
Same with job with 60 sec micro batch we are observing *~60K* meta data
requests.
Metadata requests are controlled by *metadata.max.age.ms* but these config have
no effect on spark consumers by default its 5 mins still we are seeing these
huge requests.
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