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https://issues.apache.org/jira/browse/HDDS-17680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-17680:
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Labels: pull-request-available (was: )
> Recon bucket disk usage includes subdirectory data in sizeDirectKey
> -------------------------------------------------------------------
>
> Key: HDDS-17680
> URL: https://issues.apache.org/jira/browse/HDDS-17680
> Project: Apache Ozone
> Issue Type: Bug
> Components: Ozone Recon
> Affects Versions: 2.2.2
> Reporter: Wei-Chiu Chuang
> Priority: Major
> Labels: pull-request-available
>
> Recon reports the total bucket size as sizeDirectKey, including files in
> subdirectories. Total size and replicated size remain correct.
> Reproduction on Ozone 2.2.2:
> 1. Create an FSO bucket and put all keys under subdirectories.
> 2. Request /api/v1/namespace/usage?path=/volume/bucket&replica=true.
> 3. With 63 bytes in subdirectories and no direct keys, sizeDirectKey is 63;
> expected 0. The total size is 63 and sizeWithReplica is 189.
> A focused regression test,
> TestNSSummaryEndpoint#testBucketDirectKeySizeExcludesSubdirectories, also
> reproduces this for both FSO and Legacy buckets. The existing fixture has a
> 500-byte direct key and 11,768 bytes in total. sizeDirectKey returns 11,768
> rather than 500; total and replicated-size assertions pass.
> BucketEntityHandler.getDuResponse assigns NSSummary.getSizeOfFiles(), which
> contains the aggregated subtree size, directly to the direct-key size field.
> Compute the direct-key size separately while preserving aggregated totals.
> Acceptance: the regression passes for FSO and Legacy buckets, including a
> bucket with no direct keys. Check directory-level usage for the same
> aggregation mistake.
> Found while validating HDDS-17624.
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