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chore: disable controller downscale test step and update docs #904

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Merged
merged 3 commits into from
Oct 27, 2025
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chore: disable controller downscale test step and update docs #904

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9192d4a
chore: disable controller downscale test step and update docs
razvan Oct 27, 2025
40a3652
Update docs/modules/kafka/partials/supported-versions.adoc
razvan Oct 27, 2025
c36a7d5
clarify kraft problem
razvan Oct 27, 2025
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9 changes: 9 additions & 0 deletions docs/modules/kafka/partials/supported-versions.adoc
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Expand Up @@ -5,3 +5,12 @@
* 4.1.0 (experimental)
* 3.9.1 (LTS)
* 3.7.2 (deprecated)

Support for clusters running in Kraft mode (which includes Apache Kafka 4.x.x) is experimental because it has not been thoroughly tested in production environments yet.
Migrations from older Kafka version which used Apache Zookeeper for cluster coordination to the new KRaft mode are not supported yet.

Also there are some known issues such as:

* Controller scaling is not reliable.
* Kerberos authentication is not tested yet.
* Service exposision is not definitive.
0 .../kuttl/operations-kraft/70-assert.yaml.j2 → ...erations-kraft/70-assert.yaml.j2.disabled
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4 changes: 4 additions & 0 deletions ...ns-kraft/70-scale-controller-down.yaml.j2 → ...70-scale-controller-down.yaml.j2.disabled
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@@ -1,3 +1,7 @@
#
# This test step is disabled becaus Kraft controller do scale down reliably.
# This leads to flaky tests.
#
{% if not test_scenario['values']['kafka-kraft'].startswith("3.7") %}
---
apiVersion: kuttl.dev/v1beta1
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