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05/29/2022
Two New Piggybacking Designs with Lower Repair Bandwidth
Piggybacking codes are a special class of MDS array codes that can achie...
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05/24/2022
Efficient LSM-Tree Key-Value Data Management on Hybrid SSD/HDD Zoned Storage
Zoned storage devices, such as zoned namespace (ZNS) solid-state drives ...
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03/21/2022
An In-Depth Comparative Analysis of Cloud Block Storage Workloads: Findings and Implications
Cloud block storage systems support diverse types of applications in mod...
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10/10/2021
A Generalization of Array Codes with Local Properties and Efficient Encoding/Decoding
A maximum distance separable (MDS) array code is composed of m× (k+r) ar...
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07/13/2021
MVPipe: Enabling Lightweight Updates and Fast Convergence in Hierarchical Heavy Hitter Detection
Finding hierarchical heavy hitters (HHHs) (i.e., hierarchical aggregates...
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04/26/2021
In Search of Optimal Data Placement for Eliminating Write Amplification in Log-Structured Storage
Log-structured storage has been widely deployed in various domains of st...
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12/20/2019
Robust Data Preprocessing for Machine-Learning-Based Disk Failure Prediction in Cloud Production Environments
To provide proactive fault tolerance for modern cloud data centers, exte...
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10/23/2019
A Fast and Compact Invertible Sketch for Network-Wide Heavy Flow Detection
Fast detection of heavy flows (e.g., heavy hitters and heavy changers) i...
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08/05/2019
Repair Pipelining for Erasure-Coded Storage: Algorithms and Evaluation
We propose repair pipelining, a technique that speeds up the repair perf...
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07/21/2019
Multi-Layer Transformed MDS Codes with Optimal Repair Access and Low Sub-Packetization
An (n,k) maximum distance separable (MDS) code has optimal repair access...
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04/11/2019
Information Leakage in Encrypted Deduplication via Frequency Analysis: Attacks and Defenses
Encrypted deduplication combines encryption and deduplication to simulta...
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11/25/2018
Enabling Efficient Updates in KV Storage via Hashing: Design and Performance Evaluation
Persistent key-value (KV) stores mostly build on the Log-Structured Merg...
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11/12/2018
On the Performance and Convergence of Distributed Stream Processing via Approximate Fault Tolerance
Fault tolerance is critical for distributed stream processing systems, y...
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09/12/2018
Binary MDS Array Codes with Optimal Repair
Consider a binary maximum distance separate (MDS) array code composed of...
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02/12/2018
Rack-Aware Regenerating Codes for Data Centers
Erasure coding is widely used for massive storage in data centers to ach...
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05/22/2014
Efficient Hybrid Inline and Out-of-line Deduplication for Backup Storage
Backup storage systems often remove redundancy across backups via inline...
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02/04/2013