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https://issues.apache.org/jira/browse/KAFKA-20850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18106700#comment-18106700
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Matthias J. Sax commented on KAFKA-20850:
-----------------------------------------
PR merged to `trunk`, but not yet cherry-picked to `4.4` branch – let's keep
this Jira open until the cherry-pick was done (currently blocked by ongoing
4.4.0 release)
> Add system test coverage for suppress() changelog upgrade/downgrade with
> dsl.store.format=HEADERS
> -------------------------------------------------------------------------------------------------
>
> Key: KAFKA-20850
> URL: https://issues.apache.org/jira/browse/KAFKA-20850
> Project: Kafka
> Issue Type: Sub-task
> Components: streams
> Reporter: Alieh Saeedi
> Assignee: Alieh Saeedi
> Priority: Major
> Fix For: 4.5.0, 4.4.1
>
>
>
> What exists already:
> * suppress() is in the smoke-test topology (SmokeTestClient#183,195,
> untilWindowCloses)
> * that app is driven by streams_application_upgrade_test.py
> * LATEST_4_3 is already in smoke_test_versions
> What is missing:
> * No system test sets dsl.store.format. With it unset, the new code writes
> byte-identical
> V3 records, so the current test would pass on trunk too. Needs a
> HEADERS-configured variant.
> * The harness is upgrade-only: to_version is hardcoded to DEV_VERSION and
> restart_all_nodes_with() only moves nodes forward. The downgrade direction
> has to be built.
>
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