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[v23.3.x] CORE-5083 schema_registry: last subject deletes schema #21258

Merged
merged 2 commits into from
Jul 8, 2024
Merged

[v23.3.x] CORE-5083 schema_registry: last subject deletes schema #21258

merged 2 commits into from
Jul 8, 2024

Commits on Jul 5, 2024

  1. schema_registry: subject_versions_has_any_of inc_del 

    Add support to `store::subject_versions_has_any_of` for including
deleted subject versions.

(cherry picked from commit 1edb81a)
    @pgellert @vbotbuildovich
    pgellert authored and vbotbuildovich committed Jul 5, 2024
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  2. schema_registry: last subject deletes schema 

    When the last subject version corresponding to a schema is deleted,
Schema Registry should also remove the schema.

On the topic, the schema is already considered deleted when the last
subject version is deleted, and compaction takes care of removing it.
However, without this change, compaction needs to happen and then a node
restart needs to happen before the schema is removed from memory. This
is not ideal for use cases where schemas are frequently created and
deleted (eg. Serverless), so instead we can remove the schema from
memory when its last subject version is deleted.

(cherry picked from commit d85de7b)
    @pgellert @vbotbuildovich
    pgellert authored and vbotbuildovich committed Jul 5, 2024
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    1756dbe View commit details
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