Transparent Migration from Datastore to Firestore
Summary: MegaMover transparently migrated over one million live Datastore databases from Megastore to Spanner-backed Firestore with preserved integrity and zero downtime. The paper details online traffic/data migration, validation, rollback, and concurrency-model adaptations eliminating regressions. (summarized by gpt-5.6-luna on Jul 24 2026)
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Authors
- 1. Ed Davisson (Google)
- 2. Tilo Dickopp (Google)
- 3. David Gay (Google)
- 4. Eric Karasuda (Google)
- 5. Ram Kesavan (Google)
- 6. Vadim Yushprakh (Google)
BibTeX Citation
@article{davisson_vldb24,
title = {{Transparent Migration from Datastore to Firestore}},
author = {Davisson, Ed and Dickopp, Tilo and Gay, David and Karasuda, Eric and Kesavan, Ram and Yushprakh, Vadim},
journal = {PVLDB},
series = {{VLDB} '24},
volume = {17},
number = {12},
pages = {3960--3972},
doi = {10.14778/3685800.3685819},
url = {https://doi.org/10.14778/3685800.3685819},
year = {2024}
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Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 144 | Megastore: Providing Scalable, Highly Available Storage for Interactive Services | 2011 | CIDR | 0.00029554682 |
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