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https://issues.apache.org/jira/browse/HDDS-16748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HDDS-16748:
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Labels: pull-request-available (was: )
> Avoid repeated delimiter searches in S3 object listings
> -------------------------------------------------------
>
> Key: HDDS-16748
> URL: https://issues.apache.org/jira/browse/HDDS-16748
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: Huang Kuan Hao
> Assignee: Huang Kuan Hao
> Priority: Major
> Labels: pull-request-available
>
> BucketEndpoint counts all delimiter occurrences in each relative key name
> only to check whether a delimiter exists, then searches again for its first
> position when building CommonPrefixes.
> Compute the first delimiter position once and reuse it in ListObjects and
> ListObjectsV2, preserving listing results, pagination, encoding and
> permission checks. Before/after endpoint tests produced identical responses
> across 896 configurations. This is a CPU optimization; the RPC count remains
> unchanged.
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