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Posted to issues@ozone.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2026/10/09 22:36:00 UTC

[jira] [Updated] (HDDS-16748) Avoid repeated delimiter searches in S3 object listings

     [ https://issues.apache.org/jira/browse/HDDS-16748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HDDS-16748:
----------------------------------
    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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