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https://issues.apache.org/jira/browse/HDDS-11528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang resolved HDDS-11528.
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Resolution: Duplicate
> [snapshot] Exclusive size of snapshot is always showing 0
> ---------------------------------------------------------
>
> Key: HDDS-11528
> URL: https://issues.apache.org/jira/browse/HDDS-11528
> Project: Apache Ozone
> Issue Type: Bug
> Components: Snapshot
> Reporter: Jyotirmoy Sinha
> Priority: Major
> Labels: ozone-snapshot
>
> Exclusive size of snapshot is always showing 0
> Scenario :
> * Key size - 1MB
> * Create snap0 - empty
> * Create snap1 - key1
> * Create snap2 - key1
> * Create snap3 - key1, key2
> * Create snap4 - key1, key2(renamed)
> * Create snap5 - key1 [key2 deleted]
> * Delete snap2 and snap4
> * Create snap6 - key1, key3
> * Create snap7 - key1 [key3 deleted]
> * Check exclusive size of snap6 - its reflected as 0, although it
> exclusively holds key3
> * Check exclusive size of snap3 - its reflected as 0, although it
> exclusively holds key2, , since other snapshot which hold key2 are deleted -
> snap4
> Snapshot info of snap3 -
> {code:java}
> # ozone sh snapshot info vol-n1fu0/buck-tin1a snap-ton6m
> {
> "volumeName" : "vol-n1fu0",
> "bucketName" : "buck-tin1a",
> "name" : "snap-ton6m",
> "creationTime" : 1727997314792,
> "snapshotStatus" : "SNAPSHOT_ACTIVE",
> "snapshotId" : "0b731ad8-e256-42c1-9fdc-2a3ae22dedbc",
> "snapshotPath" : "vol-n1fu0/buck-tin1a",
> "checkpointDir" : "-0b731ad8-e256-42c1-9fdc-2a3ae22dedbc",
> "referencedSize" : 362807296,
> "referencedReplicatedSize" : 1088421888,
> "exclusiveSize" : 0,
> "exclusiveReplicatedSize" : 0
> } {code}
> Snapshot info of snap6 -
> {code:java}
> # ozone sh snapshot info vol-n1fu0/buck-tin1a snap-8barh
> {
> "volumeName" : "vol-n1fu0",
> "bucketName" : "buck-tin1a",
> "name" : "snap-8barh",
> "creationTime" : 1727997400069,
> "snapshotStatus" : "SNAPSHOT_ACTIVE",
> "snapshotId" : "ddf4e855-c3fb-4026-8a42-6dfe73bfd858",
> "snapshotPath" : "vol-n1fu0/buck-tin1a",
> "checkpointDir" : "-ddf4e855-c3fb-4026-8a42-6dfe73bfd858",
> "referencedSize" : 362807296,
> "referencedReplicatedSize" : 1088421888,
> "exclusiveSize" : 0,
> "exclusiveReplicatedSize" : 0
> } {code}
> All snapshot contents -
> {code:java}
> # ozone fs -ls -R ofs://ozone1727943432/vol-n1fu0/buck-tin1a/.snapshot
> drwxrwxrwx - hrt_qa hrt_qa 0 2024-10-03 23:14
> ofs://ozone1727943432/vol-n1fu0/buck-tin1a/.snapshot/snap-34qcr
> drwxrwxrwx - hrt_qa hrt_qa 362807296 2024-10-03 23:16
> ofs://ozone1727943432/vol-n1fu0/buck-tin1a/.snapshot/snap-8barh
> -rw-rw-rw- 3 hrt_qa om 181403648 2024-10-03 23:14
> ofs://ozone1727943432/vol-n1fu0/buck-tin1a/.snapshot/snap-8barh/key_1727997247
> -rw-rw-rw- 3 hrt_qa om 181403648 2024-10-03 23:16
> ofs://ozone1727943432/vol-n1fu0/buck-tin1a/.snapshot/snap-8barh/key_1727997378
> drwxrwxrwx - hrt_qa hrt_qa 181403648 2024-10-03 23:14
> ofs://ozone1727943432/vol-n1fu0/buck-tin1a/.snapshot/snap-bz1a9
> -rw-rw-rw- 3 hrt_qa om 181403648 2024-10-03 23:14
> ofs://ozone1727943432/vol-n1fu0/buck-tin1a/.snapshot/snap-bz1a9/key_1727997247
> drwxrwxrwx - hrt_qa hrt_qa 362807296 2024-10-03 23:15
> ofs://ozone1727943432/vol-n1fu0/buck-tin1a/.snapshot/snap-ton6m
> -rw-rw-rw- 3 hrt_qa om 181403648 2024-10-03 23:14
> ofs://ozone1727943432/vol-n1fu0/buck-tin1a/.snapshot/snap-ton6m/key_1727997247
> -rw-rw-rw- 3 hrt_qa om 181403648 2024-10-03 23:15
> ofs://ozone1727943432/vol-n1fu0/buck-tin1a/.snapshot/snap-ton6m/key_1727997298
> drwxrwxrwx - hrt_qa hrt_qa 181403648 2024-10-03 23:15
> ofs://ozone1727943432/vol-n1fu0/buck-tin1a/.snapshot/snap-vsiih
> -rw-rw-rw- 3 hrt_qa om 181403648 2024-10-03 23:14
> ofs://ozone1727943432/vol-n1fu0/buck-tin1a/.snapshot/snap-vsiih/key_1727997247
> drwxrwxrwx - hrt_qa hrt_qa 181403648 2024-10-03 23:16
> ofs://ozone1727943432/vol-n1fu0/buck-tin1a/.snapshot/snap-wk1to
> -rw-rw-rw- 3 hrt_qa om 181403648 2024-10-03 23:14
> ofs://ozone1727943432/vol-n1fu0/buck-tin1a/.snapshot/snap-wk1to/key_1727997247
> {code}
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