strata · research · also Strata file system

Strata

Strata is a research file system that combines synchronous per-process NVM logging with asynchronous reorganization across a storage hierarchy.

Related Observatory article: Strata on hesela.com

Log capacity bounds a Strata transaction; larger calls require multiple transactions. Persistence does not imply migration to the slowest tier. [1]

Relations

related
Persistent memory, Write-ahead log, Crash consistency, Automated storage tiering

Limitations

  • The published prototype has incomplete leases and no mmap support; its repository is no longer maintained. [2]

Citations

  1. Kwon et al. Strata: A Cross Media File System. SOSP 2017, pp. 460-477, sections 3.2-3.4, 4.1 and 5. DOI: 10.1145/3132747.3132770. (accessed 2026-11-13)
  2. Strata author repository, README and limitations, pinned revision f368da4cefe874e1b31a19df7c6436b48f489381. (accessed 2026-11-13)

Further reading

  1. Hesela: Strata persistence, digestion and reliability assumptions. (accessed 2026-11-13)
Sources & caveats
  • Historical source synthesis, not prototype execution, hardware testing or a benchmark reproduction.

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Hesela team. Strata. Hesela. 2026-11-13. https://hesela.dev/terms/strata/