Michail created KAFKA-13322:
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Summary: Java client produces a large amount of garbage during a
poll
Key: KAFKA-13322
URL: https://issues.apache.org/jira/browse/KAFKA-13322
Project: Kafka
Issue Type: Improvement
Components: clients
Affects Versions: 3.0.0
Reporter: Michail
The java kafka consumer creates multiple collections during a single poll
command: in my test system i have a consumer that polls a topic with 100
partitions and even though no messages are coming through, the code allocates
around 100M per 5 minutes.
I've investigated the allocations and the biggest ones can be easily avoided by
moving them to the instance level, something that can be done as KafkaConsumer
is not thread safe. Purpose of this Jira is to get rid of most of them applying
either this or a similar approach.
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