Aryan Gupta created HDDS-16015:
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Summary: Make listStatusLight skip SCM pipeline refresh
Key: HDDS-16015
URL: https://issues.apache.org/jira/browse/HDDS-16015
Project: Apache Ozone
Issue Type: Improvement
Reporter: Aryan Gupta
Assignee: Aryan Gupta
* Updated the OM light listing path so {{listStatusLight()}} no longer triggers
SCM-backed pipeline refresh.
* Added a {{refreshPipelineInfo}} switch in {{KeyManagerImpl.listStatus(...)}}
so normal listings keep existing behavior while light listings stay
metadata-only.
* Wired {{OmMetadataReader}} and {{OmSnapshot}} to use the light path
consistently, and added a unit test to verify no pipeline refresh call is made.
h2. Why
* {{ozone fs -du}} and other light listing flows only need metadata and size
information.
* Skipping pipeline refresh reduces unnecessary SCM traffic and lowers latency
for light read paths.
* Normal {{listStatus()}} behavior remains unchanged.
h2. Test plan
* Added a unit test in {{TestKeyManagerUnit}} that calls {{listStatusLight()}}
and verifies SCM container pipeline lookup is not invoked.
* Existing {{listStatus()}} behavior remains covered by the current unit test.
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