HDDS-16093. [Ozone versioning] [T6] Reclamation - #10964

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apache:HDDS-15728from

symious:HDDS-16093

Commits on Jul 16, 2026

T1.1. Add bucket versioning three-state enum to proto and bucket helpers

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bbec4b9
T1.2. Enforce bucket versioning state machine in OMBucketSetPropertyRequest

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d944440
T1.3. Add versionId, isDeleteMarker and isNullVersion to OmKeyInfo

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7c484c2
T1.4. Add versionedKeyTable column family for noncurrent object versions

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T1.5. Gate object versioning behind OMLayoutFeature.OBJECT_VERSIONING

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f74c331

Commits on Jul 17, 2026

T1. Address comments

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37c3396

Commits on Jul 31, 2026

T1. Use a 0x00 separator in versionedKeyTable dbKeys

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e89e8be
T1. Do not derive a versioning status from the legacy flag
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T2.1. Add pluggable VersionIdGenerator with the transaction index default
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T2.2. Require versionIds to increase within a key and enforce it at commit
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71b8f92
T2.3. Add PinnedFirstVersionIdGenerator
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cb00be9
T2. Address comments

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T3.1. Keep the overwritten current version in the versionedKeyTable

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e6cc33d
T3.2. Insert a delete marker on DELETE without a versionId

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T3.3. Count every version against the bucket quota

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e75f103
T3. Base block reclamation on the versioning status, not the legacy flag

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T4.1. Read a specific object version by versionId

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a9d68ea
T4.2. Permanently delete a noncurrent version by versionId

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0eec00f

Commits on Aug 4, 2026

T4.3. Promote the next-newest version when the current one is deleted

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ba36f75
T5.1. Take the null version slot on a write while versioning is suspended

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71f7856
T5.2. Write a null delete marker while versioning is suspended

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d1b922c
T5.3. Address pre-versioning records as the key's null version

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504f330
T5.4. Keep the superseded version when a multipart upload completes

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7a5bc50

Commits on Aug 7, 2026

T6.1. Reclaim the versions of a key beyond its bucket's maxVersions

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b04e62d
T6.2. Expire a version once it has been noncurrent long enough

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T6.3. Remove a key whose only remaining version is a delete marker

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08092d1