{ZNS}: Avoiding the block interface tax for flash-based {SSDs}

M Bjørling, A Aghayev, H Holmberg… - 2021 USENIX Annual …, 2021 - usenix.org
The Zoned Namespace (ZNS) interface represents a new division of functionality between
host software and flash-based SSDs. Current flash-based SSDs maintain the decades-old …

{NOVA}: A log-structured file system for hybrid {Volatile/Non-volatile} main memories

J Xu, S Swanson - 14th USENIX Conference on File and Storage …, 2016 - usenix.org
Fast non-volatile memories (NVMs) will soon appear on the processor memory bus
alongside DRAM. The resulting hybrid memory systems will provide software with sub …

Wisckey: Separating keys from values in ssd-conscious storage

L Lu, TS Pillai, H Gopalakrishnan… - ACM Transactions On …, 2017 - dl.acm.org
We present WiscKey, a persistent LSM-tree-based key-value store with a performance-
oriented data layout that separates keys from values to minimize I/O amplification. The …

{LightNVM}: The linux {Open-Channel}{SSD} subsystem

M Bjørling, J Gonzalez, P Bonnet - 15th USENIX Conference on File and …, 2017 - usenix.org
As Solid-State Drives (SSDs) become commonplace in data-centers and storage arrays,
there is a growing demand for predictable latency. Traditional SSDs, serving block I/Os, fail …

Flatstore: An efficient log-structured key-value storage engine for persistent memory

Y Chen, Y Lu, F Yang, Q Wang, Y Wang… - Proceedings of the Twenty …, 2020 - dl.acm.org
Emerging hardware like persistent memory (PM) and high-speed NICs are promising to
build efficient key-value stores. However, we observe that the small-sized access pattern in …

Strata: A cross media file system

Y Kwon, H Fingler, T Hunt, S Peter, E Witchel… - Proceedings of the 26th …, 2017 - dl.acm.org
Current hardware and application storage trends put immense pressure on the operating
system's storage subsystem. On the hardware side, the market for storage devices has …

Octopus+: An RDMA-Enabled Distributed Persistent Memory File System

B Zhu, Y Chen, Q Wang, Y Lu, J Shu - ACM Transactions on Storage …, 2021 - dl.acm.org
Non-volatile memory and remote direct memory access (RDMA) provide extremely high
performance in storage and network hardware. However, existing distributed file systems …

Tiny-tail flash: Near-perfect elimination of garbage collection tail latencies in NAND SSDs

S Yan, H Li, M Hao, MH Tong… - ACM Transactions on …, 2017 - dl.acm.org
Flash storage has become the mainstream destination for storage users. However, SSDs do
not always deliver the performance that users expect. The core culprit of flash performance …

ZNS+: Advanced zoned namespace interface for supporting in-storage zone compaction

K Han, H Gwak, D Shin, J Hwang - 15th {USENIX} Symposium on …, 2021 - usenix.org
The NVMe zoned namespace (ZNS) is emerging as a new storage interface, where the
logical address space is divided into fixed-sized zones, and each zone must be written …

{eZNS}: An elastic zoned namespace for commodity {ZNS}{SSDs}

J Min, C Zhao, M Liu, A Krishnamurthy - 17th USENIX Symposium on …, 2023 - usenix.org
Emerging Zoned Namespace (ZNS) SSDs, providing the coarse-grained zone abstraction,
hold the potential to significantly enhance the cost-efficiency of future storage infrastructure …