Purity: Building Fast, Highly-Available Enterprise Flash Storage from Commodity Components
Summary: Purity is an all-flash enterprise storage system built from commodity components, with compression and dedup. Novel primitives: monotonic writes and predicate-based elision; SSD-aware redundancy enables sub-ms latency and data reduction on a single scale-up appliance. (summarized by gpt-5-nano on Feb 09 2026)
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Authors
- 1. John Colgrove (Pure Storage)
- 2. John D. Davis (Pure Storage)
- 3. John Hayes (Pure Storage)
- 4. Ethan L. Miller (Pure Storage)
- 5. Cary Sandvig (Pure Storage)
- 6. Russell Sears (Pure Storage)
- 7. Ari Tamches (Pure Storage)
- 8. Neil Vachharajani (Pure Storage)
- 9. Feng Wang (Pure Storage)
BibTeX Citation
@inproceedings{colgrove_sigmod15,
title = {{Purity: Building Fast, Highly-Available Enterprise Flash Storage from Commodity Components}},
author = {Colgrove, John and Davis, John D. and Hayes, John and Miller, Ethan L. and Sandvig, Cary and Sears, Russell and Tamches, Ari and Vachharajani, Neil and Wang, Feng},
series = {{SIGMOD} '15},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/2723372.2742798},
url = {https://dl.acm.org/doi/10.1145/2723372.2742798},
year = {2015}
}
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