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Design for scalability in enterprise SSDs
2014
Proceedings of the 23rd international conference on Parallel architectures and compilation - PACT '14
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Our experiments show that SSD performance improvement through either enhancing intra-chip parallelism or increasing the number of flash units is limited by frequent contentions occurred on the shared channels ...
In this paper, we first give a deep look at how different flash parameters and SSD internal designs affect the actual performance and scalability of the conventional architecture. ...
The garbage collection is very costly due to the required program/erase operations. ...
doi:10.1145/2628071.2628098
dblp:conf/IEEEpact/TavakkolAS14
fatcat:sszdx6zo25ha5pbuycrcejwwhm
Design Tradeoffs for SSD Performance
2008
USENIX Annual Technical Conference
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Solid-state disks (SSDs) have the potential to revolutionize the storage system landscape. ...
We find that SSD performance and lifetime is highly workloadsensitive, and that complex systems problems that normally appear higher in the storage stack, or even in distributed systems, are relevant to ...
Andrew Birrell, Chuck Thacker, and James Hamilton participated in many fruitful discussions during the course of this work. ...
dblp:conf/usenix/AgrawalPWDMP08
fatcat:d6bkislycnhgjc36jn6wswsn34
The Harey Tortoise: Managing Heterogeneous Write Performance in SSDs
2013
USENIX Annual Technical Conference
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Recent years have witnessed significant gains in the adoption of flash technology due to increases in bit density, enabling higher capacities and lower prices. ...
Second, we realize steady-state bandwidth improvements of up to 95% by rate-matching garbage collection performance and external access performance. ...
Acknowledgements We would like to thank the reviewers and shepherd of this paper for their valuable input. This work was supported by the NSF Variability Expedition under award number 1029783. ...
dblp:conf/usenix/GruppDS13
fatcat:qyjdym35snhhrddavaabpwshwm
MQSim: A Framework for Enabling Realistic Studies of Modern Multi-Queue SSD Devices
2018
USENIX Conference on File and Storage Technologies
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Second, these simulators often do not accurately capture the impact of advanced SSD maintenance algorithms (e.g., garbage collection), as they do not properly or quickly emulate steady-state conditions ...
These new interfaces, such as the NVMe protocol, are designed specifically to enable the high amounts of concurrent I/O bandwidth that SSDs are capable of delivering. ...
Acknowledgments We thank our shepherd Haryadi Gunawi and the anonymous referees for their feedback on this work. ...
dblp:conf/fast/TavakkolGSGM18
fatcat:zcewyum2uracdgy2pvjbuxtewy
Remap-SSD: Safely and Efficiently Exploiting SSD Address Remapping to Eliminate Duplicate Writes
2021
USENIX Conference on File and Storage Technologies
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Experimental results show that Remap-SSD can realize the full potential of address remapping to improve SSD performance and lifetime. ...
First, it provides a remap primitive, which allows the host software and SSD firmware to perform logical writes of duplicate data at almost zero cost. ...
Acknowledgments We would like to thank our shepherd, Patrick P. C. Lee ...
dblp:conf/fast/ZhouW0J0X21
fatcat:32wg45nlhnal3jqwe45cmpc4ka
Data center evolution
2009
Computer Networks
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As data centers continue to grow in size and complexity, it is desirable to understand aspects of their design that are worthy of carrying forward, as well as existing or upcoming shortcomings and challenges ...
We define a layered model for such data centers and provide a detailed treatment of state of the art and emerging challenges in storage, networking, management and power/thermal aspects. ...
Comments from anonymous reviewers were very helpful in improving the organization and presentation of the paper. ...
doi:10.1016/j.comnet.2009.10.004
fatcat:7tfgno3j45bwnlljd6f6iww6jy
PERFORMANCE AND ENDURANCE CONTROL IN EMERGING STORAGE TECHNOLOGIES
[article]
2022
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SSDs need to perform many background management operations to deal with the underlying flash technology traits, the most time-consuming ones be- ing garbage collection and wear leveling. ...
The low-latency requirement triggers the ongoing replacement of hard drives (HDDs) by solid-state drives (SSDs) in the enterprise, enabling much higher performance and lower end-to-end storage latencies ...
MQSim has two triggers for garbage collection (GC): (a) soft trigger, that periodically looks for blocks with very few valid pages and maps those pages out, thereby enabling the block for erasure, and ...
doi:10.34944/dspace/7158
fatcat:xjgbjeurcjajdeyrvgaw5lqmiu
Workload Driven Designs for Cost-Effective Non-Volatile Memory Hierarchies
2020
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One may think that employing DRAM-based write-buffers can filter writes that trickle through to the NV storage and thus alleviate the write-pressure felt at the NV storage. ...
A common strategy to manage such cost- and performance-differentials is to use hierarchies such that a small, but intensely accessed, working set is staged in the NV storage (selective caching). ...
Authors of [25] observed that erase voltage and erase time have a large impact on NAND endurance, and suggests to use slow erasing with a lower erase voltage to improve device endurance. ...
doi:10.25394/pgs.12730685
fatcat:zv5olumc4jbohbgohkouxhzy64