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https://issues.apache.org/jira/browse/KAFKA-6944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16523348#comment-16523348
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ASF GitHub Bot commented on KAFKA-6944:
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jonlee2 opened a new pull request #5294: KAFKA-6944: Add system tests testing
the new throttling behavior usin…
URL: https://github.com/apache/kafka/pull/5294
…g older clients/brokers
Added two additional test cases to quota_test.py, which run between brokers
and clients with different throttling behaviors. More specifically,
1. clients with new throttling behavior (i.e., post-KIP-219) and brokers
with old throttling behavior (i.e., pre-KIP-219)
2. clients with old throttling behavior and brokers with new throttling
behavior
### Committer Checklist (excluded from commit message)
- [ ] Verify design and implementation
- [ ] Verify test coverage and CI build status
- [ ] Verify documentation (including upgrade notes)
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> Add system tests testing the new throttling behavior using older
> clients/brokers
> --------------------------------------------------------------------------------
>
> Key: KAFKA-6944
> URL: https://issues.apache.org/jira/browse/KAFKA-6944
> Project: Kafka
> Issue Type: Test
> Components: system tests
> Affects Versions: 2.0.0
> Reporter: Jon Lee
> Priority: Major
>
> KAFKA-6028 (KIP-219) changes the throttling behavior on quota violation as
> follows:
> * the broker will send out a response with throttle time to the client
> immediately and mute the channel
> * upon receiving a response with a non-zero throttle time, the client will
> also block sending further requests to the broker until the throttle time is
> over.
> The current system tests assume that both clients and brokers are of the same
> version. We'll need an additional set of quota tests that test throttling
> behavior between older clients and newer brokers and between newer clients
> and older brokers.
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