Add short circuit if no live docs are in segments

[VijayanB]

Description

• Add short circuit if no live docs are in segments
• Fixed stop watch bug

Related Issues

Check List

• [ ] New functionality includes testing.
• [ ] New functionality has been documented.
• [ ] API changes companion pull request created.
• [x] Commits are signed per the DCO using --signoff.
• [ ] Public documentation issue/PR created.

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[VijayanB]

CI failure is not related to this PR. It is failing since we are in the midst of release.