This should massively speed up when restoring a collection with many
items. Will not impact much if we have a lot of collections with few
items each.
Numbers 🔢 :
- Restoring ~7000 files, mostly small, totaling 1.5GB
- Sequential: ~70m
- Parallel: ~50m
- Restoring 1200 50mb files
- Sequential: 4h 45m
- Parallel: <40m
---
#### Does this PR need a docs update or release note?
- [x] ✅ Yes, it's included
- [ ] 🕐 Yes, but in a later PR
- [ ] ⛔ No
#### Type of change
<!--- Please check the type of change your PR introduces: --->
- [x] 🌻 Feature
- [ ] 🐛 Bugfix
- [ ] 🗺️ Documentation
- [ ] 🤖 Supportability/Tests
- [ ] 💻 CI/Deployment
- [ ] 🧹 Tech Debt/Cleanup
#### Issue(s)
<!-- Can reference multiple issues. Use one of the following "magic words" - "closes, fixes" to auto-close the Github issue. -->
* https://github.com/alcionai/corso/issues/3011
* closes https://github.com/alcionai/corso/issues/3536
#### Test Plan
<!-- How will this be tested prior to merging.-->
- [ ] 💪 Manual
- [x] ⚡ Unit test
- [x] 💚 E2E
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