Gregory R. Ganger
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| title | conference | date |
|---|---|---|
| Okapi: Decoupling Data Striping and Redundancy Grouping in Cluster File Systems | OSDI '25 | 2025-07-07 |
Okapi decouples stripes and redundancy groups, letting stripe width be tuned for IO patterns while group width is tuned for reliability and cost; prototype… | ||
| FairyWREN: A Sustainable Cache for Emerging Write-Read-Erase Flash Interfaces | 18th USENIX Symposium on Operating Systems Design and Implementation (OSDI '24) | 2024-07-10 |
FairyWREN is a flash cache built for emerging Write-Read-Erase (WREN) interfaces that gives the cache control over garbage collection and data placement… | ||
| Baleen: ML Admission & Prefetching for Flash Caches | 22nd USENIX Conference on File and Storage Technologies (FAST '24) | 2024-02-27 |
Baleen uses coordinated ML admission and prefetching, training on an episodes model that groups accesses from admission to eviction and optimizes an end-to-end… | ||
| Pollux: Co-adaptive Cluster Scheduling for Goodput-Optimized Deep Learning | 15th USENIX Symposium on Operating Systems Design and Implementation (OSDI '21) | 2021-07-14 |
Pollux builds a co-adaptive scheduler that jointly models system throughput and statistical efficiency, introduces the goodput metric (their product), and… | ||
| ZNS: Avoiding the Block Interface Tax for Flash-based SSDs | USENIX ATC '21 | 2021-07-14 |
ZNS exposes erase-block boundaries and append-only zones so host software moves fine-grained placement into userspace; implemented Linux NVMe+block changes… | ||
| More IOPS for Less: Exploiting Burstable Storage in Public Clouds | HotCloud '20 | 2020-07-13 |
Cloud burstable volumes (AWS gp2) start with equal burst credits per volume and credits are per-volume, not per-capacity. Using 10×10 GiB volumes replaced… | ||
| Cluster storage systems gotta have HeART... | FAST '19 | 2019-02-25 |
An online tool called HeART monitors per–make/model annualized failure rates, uses an anomaly detector (robust random cut forest) and a change-point detector… | ||
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