Stephen O'Donnell created HDDS-11668:
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Summary: Recon List Keys API: Resuse prefix 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
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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