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Posted to issues@ozone.apache.org by "Stephen O'Donnell (Jira)" <ji...@apache.org> on 2024/11/13 10:46:00 UTC

[jira] [Resolved] (HDDS-11668) Recon List Keys API: Reuse key prefix if parentID is the same

     [ https://issues.apache.org/jira/browse/HDDS-11668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephen O'Donnell resolved HDDS-11668.
--------------------------------------
    Fix Version/s: 2.0.0
       Resolution: Fixed

> Recon List Keys API: Reuse key prefix if parentID is the same
> -------------------------------------------------------------
>
>                 Key: HDDS-11668
>                 URL: https://issues.apache.org/jira/browse/HDDS-11668
>             Project: Apache Ozone
>          Issue Type: Improvement
>          Components: Ozone Recon
>            Reporter: Stephen O'Donnell
>            Assignee: Stephen O'Donnell
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 2.0.0
>
>
> As we iterate keys in the listKeys API there is logic to resolve the FSO path to the key which is quite expensive in aggregate over many keys.
> As we iterate the keys in order, it is highly likely there will be consecutive keys with the same parent folder and hence prefix.
> Therefore, we should save the prefix prefix and if the current parentID is equal to the previous one, simple reuse it, avoiding all the path construction work.



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