Do Not Merge: process multiple tables at a time during the copy phase

[rohit-nayak-ps]

Description

Branching off Shlomi's PR #8934 to experiment further

Related Issue(s)

Checklist

• [ ] Should this PR be backported?
• [ ] Tests were added or are not required
• [ ] Documentation was added or is not required

Deployment Notes

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[github-actions[bot]]

This PR was closed because it has been stale for 7 days with no activity.