[jira] [Created] (HDDS-5450) S3 Head uses lookupKey avoid refreshes pipeline to improve perf

["Bharat Viswanadham (Jira)" <ji...@apache.org>]

Bharat Viswanadham created HDDS-5450:
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             Summary: S3 Head uses lookupKey avoid refreshes pipeline to improve perf
                 Key: HDDS-5450
                 URL: https://issues.apache.org/jira/browse/HDDS-5450
             Project: Apache Ozone
          Issue Type: Improvement
            Reporter: Bharat Viswanadham
            Assignee: Bharat Viswanadham


S3 head uses OM API lookup key which refreshes pipeline info by contacting SCM.

For S3 head we donot require any pipeline info, we need very basic details like length, type, etag. 

By removing pipeline info which is not required for HEAD object, HEAD API performance can be improved.

This is identified during looking up graphs from @Ritesh Shukla testing



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