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HDDS-11900. obs granular lock for existing request #7647

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@sumitagrawl sumitagrawl commented Jan 5, 2025

What changes were proposed in this pull request?

Granular locking for OBS for existing flow.

locking is added for external request at entry point. This provides execution of request at leader and existing flow simultaneouly without impacting for cache.

  • refer obs-locking.md for locking added for obs request (HDDS-11898. design doc leader side execution)
  • refer leader-execution.md for Step-by-step integration of existing request (interoperability)

Parent Jira:
https://issues.apache.org/jira/browse/HDDS-11897

What is the link to the Apache JIRA

https://issues.apache.org/jira/browse/HDDS-11900

How was this patch tested?

  • UT cases added for lock, and requests
  • Existing test cases for impact

@kerneltime kerneltime added the om-pre-ratis-execution PRs related to https://issues.apache.org/jira/browse/HDDS-11897 label Jan 7, 2025
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