News! March 2025, our paper "BL-Tree: The Best of Both Worlds by Combining B+-Tree on Top and LSM-Tree on Bottom" has been accpeted by the 41st IEEE International Conference on Data Engineering (ICDE’25).
News! February 2025, our paper "Analyzing Request Volatility of I/O Temporal Behaviors in Mobile Storage Workloads" has been accpeted by ACM Transactions on Storage.
News! January 2025, The project "Key Technologies and Applications of High-Availability Secure Cloud Storage Systems" was awarded the Second Prize of Fujian Province Science and Technology Progress Award for the year 2023（福建省科技进步奖二等奖）.
November 2024, our paper "Gemina: A Coordinated and High-Performance Memory Deduplication Engine" has been accpeted by the 31st IEEE International Symposium on High-Performance Computer Architecture (HPCA’25).
September 2024, The project "Key Technology and Application of Data Deduplication" was awarded the Second Prize of CCF Award for Innovation on Computer Science and Engineering - Technological Progress Award（CCF 科技进步奖二等奖）.
May 2024, two collaborative papers "Flagger: Cooperative Acceleration for Large-Scale Cross-Silo Federated Learning Aggregation" and "ScalaAFA: Constructing User-Space All-Flash Array Engine with Holistic Designs" have been accpeted by the 51st Annual International Symposium on Computer Architecture (ISCA’24) and 2024 USENIX Annual Technical Conference (ATC’24), respectively.
March 2024, our paper "LodgeTree: A Last-Level Distributed and Surrogate Buffer Tree for Non-Volatile Memories" has been accepted by the 38th International Conference on Massive Storage Systems and Technology (MSST’24).
October 2023, our paper "LearnedFTL: A Learning-based Page-level FTL for Reducing Double Reads in Flash-based SSDs" has been accepted by the 30th IEEE International Symposium on High-Performance Computer Architecture (HPCA’24).
June 2023, our paper "FASTSync: a FAST Delta Sync Scheme for Encrypted Cloud Storage in High-Bandwidth Network Environments" has been accepted by ACM Transactions on Storage.
May 2023, our paper "iKnowFirst: An Efficient DPU-assisted Compaction for LSM-Tree-based Key-Value Stores" has been accepted by the 34th IEEE International Conference on Application-specific Systems, Architectures, and Processors (ASAP’23).
October 2022, our paper "ESD: An ECC-assisted and Selective Deduplication for Non-Volatile Main Memory" has been accepted by the 29th IEEE International Symposium on High-Performance Computer Architecture (HPCA’23).
September 2022: Welcome five new graduate students to join our group: Yifei, Wenyan, Maoxin, Sihao, and Zhehua.
September 2022: one collaborative paper "Revisiting Temporal Storage I/O Behaviors of Smartphone Applications: Analysis and Synthesis" has been accepted by the 2022 IEEE International Symposium on Workload Characterization (IISWC’22).
May 12th, 2022: Zhanhong Tu, Jiapeng Wu, and Zuocheng Wang have successfully defended their Master's thesis. Congratulations and good luck!
September 2021: Welcome three new graduate students to join our group: Jiahong Chen, Zihang Lin, and Yuxuan Zhou.
August 2021, our paper "SimiEncode: A Similarity-based Encoding Scheme to Improve Performance and Lifetime of Non-Volatile Main Memory" has been accepted by the 39th IEEE International Conference on Computer Design (ICCD’21).
May 2021, our paper "DedupHR: Exploiting Content Locality to Alleviate Read/Write Interference in Deduplication-based Flash Storage" has been accepted by IEEE Transactions on Computers (TC).
May 8th, 2021: Sijie Lan, Zhihao Zhang, and Jindong Zhou have successfully defended their Master's thesis. Congratulations and good luck!
March 2021, our paper "When Delta Sync Meets Message-Locked Encryption: a Feature-based Delta Sync Scheme for Encrypted Cloud Storage" has been accepted by the 41st IEEE International Conference on Distributed Computing Systems (ICDCS’21) (Acceptance Rate: 19.8%).
January 2021, our paper "CAGC: A Content-aware Garbage Collection Scheme for Ultra-Low Latency Flash-based SSDs" has been accepted by the 35th IEEE International Parallel & Distributed Processing Symposium (IPDPS’21).
December 2020, one collaborative paper "Optimal Rack-Coordinated Updates in Erasure-Coded Data Centers" has been accepted by IEEE International Conference on Computer Communications (INFOCOM’21) (Acceptance Rate: 21.8%).
August 2020, our paper "EAD: a Collision-free and High Performance ECC assisted Deduplication Scheme for Flash Storage" has been accepted by the 38th IEEE International Conference on Computer Design (ICCD’20).
September 2020: Welcome three new graduate students to join our group: Xiyang Liu, Shengyu Mao, and Shengze Wang.
April 2020: Our paper "BitFlip: A Bit-Flipping Scheme for Reducing Read Latency and Improving Reliability of Flash Memory" has been accepted by the 36th International Conference on Massive Storage Systems and Technology (MSST'20).
February 2020: Our paper "GC-Steering: GC-aware Request Steering and Parallel Reconstruction Optimizations for SSD-based RAIDs" has been accepted by IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD).
September 2019: Welcome three new graduate students to join our group: Zhanhong Tu, Zuocheng Wang, and Jiapeng Wu.
May 8th, 2019: Haijun Li, Hui Rao, Fang Yu, and Weidong Zhu have successfully defended their Master's thesis. Congratulations and good luck!
March 2019: Our HotR (DATE’19) paper was selected as the Best Paper Award Nominations by DATE 2019. The selection rate is 2.5% (21 out of 834 reviewed papers)!
March 2019: Our paper "PandaSync: Network and Workload aware Hybrid Cloud Sync Optimization" has been accepted by the 39th IEEE International Conference on Distributed Computing Systems (ICDCS’19) (Acceptance Rate: 19.6%).
February 2019: Our paper "PFP: Improving the Reliability of Deduplication-based Storage Systems with Per-File Parity" has been accepted by IEEE Transactions on Parallel and Distributed Systems (TPDS).
November 2018: Our paper "HotR: Alleviating Read/Write Interference with Hot Read Data Replication for Flash Storage" has been accepted by the 22nd Design Automation and Test in Europe (DATE’19) (Acceptance Rate: 24%).
August 2018: Welcome three new graduate students to join our group: Sijie Lan, Zhihao Zhang, and Jindong Zhou.
June 2018: Our paper "Improving Reliability of Deduplication-based Storage Systems with Per-File Parity" has been accepted by the 37th IEEE International Symposium on Reliable Distributed Systems (SRDS’18).
Our paper "Improving Flash Memory Performance and Reliability for Smartphones with I/O Deduplication" has been accepted by IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD).
March 2018: Our paper "Overcome the GC-induced Performance Variability in SSD-based RAIDs with Request Redirection" has been accepted by IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD).
January 2018: Our paper "EDC: Improving the Performance and Space Efficiency of Flash-based Storage Systems with Elastic Data Compression" has been accepted by IEEE Transactions on Parallel and Distributed Systems (TPDS).
December 2017: Our paper "SnapMig: Accelerating VM Live Storage Migration by Leveraging the Existing VM Snapshots in the Cloud" has been accepted by IEEE Transactions on Parallel and Distributed Systems (TPDS).
December 22, 2017, we successfully organized an advanced storage system forum. Prof. Dan Feng, Prof. Zili Shao, Prof. Youyou Lu, Prof. Haikun Liu, Prof. Yongkun Li, and Prof. Liang Shi talks about their latest studies on new storage class memories, flash-based storage, and data deduplication.
December 2017: Our paper "GC-aware Request Steering with Improved Performance and Reliability for SSD-based RAIDs" has been accepted by the 32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS’18). (Accepted in the 1st round review, Acceptance Rate: 38/461=8%)
August 2017: Our group received a new grant awarded by NSFC (PI: Dr. Bo Mao). This project aims to address the reliability of data deduplication storage systems.
August 2017: Welcome three new graduate students to join our group: Weiwei Zhang, Longquan Liu, and Yinxin Han.
August 1, 2017: Prof. Hong Jiang and Prof. Qing Yang visited XMU and gave us talks on "Data Reduction in Support of Big Data: Yesterday, Today and Tomorrow" and "Introducing DPU - Data-storage Processing Unit Placing Intelligence in Storage".
June 22, 2017: Prof. Weikuan Yu visited XMU and gave us a talk "Exploration of Alternative Strategies for Burst Buffer Systems".
June 6, 2017: Prof. Tongping Liu visited XMU and gave us a talk "SyncPerf: Categorizing, Detecting, and Diagnosing Synchronization Performance Bugs".
May 10th, 2017: Yanping Lin, Xiao Chen, and Weijian Yang have successfully defended their Master's thesis. They will join Tencent (Shenzhen), ChinaNetCenter (Xiamen), and Huawei (Hangzhou). Congratulations and good luck!
April 2017: Our paper "Improving the SSD Performance by Exploiting Request Characteristics and Internal Parallelism" has been accepted by IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD).
April 2017: Our paper "Improving Performance for Flash-based Storage Systems through GC-aware Cache Management" has been accepted by IEEE Transactions on Parallel and Distributed Systems (TPDS).
April 2017: Our paper "Content-aware Trace Collection and I/O Deduplication for Smartphones" has been accepted by the 33rd International Conference on Massive Storage Systems and Technology (MSST’17).
January 2017: Two papers "Elastic Data Compression with Improved Performance and Space Efficiency for Flash-based Storage Systems" and "Parallelism and Garbage Collection aware I/O Scheduler with Improved SSD Performance" have been accepted by the 31st IEEE International Parallel & Distributed Processing Symposium (IPDPS’17).
September 2016: Our paper "Exploiting the Data Redundancy Locality to Improve the Performance of Deduplication-based Storage Systems" has been accepted by the 22nd IEEE International Conference on Parallel and Distributed Systems (ICPADS'16).
August 2016: Welcome four new graduate students to join our group: Haijun Li, Hui Rao, Weidong Zhu, and Fang Yu.
June 27, 2016: Prof. Lide Duan visited XMU and gave us a talk "My Experience as a Ph.D. Student, a CPU Developer, and a Computer Architecture Faculty".
June 12-16, 2016: Dr. Mao is invited to attend the 1st China Systems Education Workshop in Microsoft Research Asia and gives a talk on "GCaR: Garbage Collection aware Cache Management with Improved Performance for Flash-based SSDs".
May 16th, 2016: Xiaojuan and Shuting have successfully defended their Master's thesis. They will join ChinaNetCenter (Xiamen) and Lenovo (Shenzhen). Congratulations and good luck!
May 14th, 2016: Dr. Mao is invited to attend the Storage System Forum at the University of Science and Technology of China and gives a talk on "GC-aware Flash-based Storage System Optimization".
March 2016: Our paper "GCaR: Garbage Collection aware Cache Management with Improved Performance for Flash-based SSDs" has been accepted by the 30th International Conference on Supercomputing (ICS’16) (Acceptance Rate: 43/183=23.5%).
February 2016: Our paper "LDM: Log Disk Mirroring with Improved Performance and Reliability for SSD-based Disk Arrays" has been accepted by ACM Transactions on Storage (TOS).
September 2015: Welcome three new graduate students to join our group: Guixin Liu, Huagao Luan, and Lu Wang.
August 2015: Our paper "MC-RAIS: Multi-Chunk Redundant Array of Independent SSDs with Improved Performance" has been accepted by the 15th International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP’15).
August 2015: Our paper "Exploiting Workload Characteristics and Service Diversity to Improve the Availability of Cloud Storage Systems" has been accepted by IEEE Transactions on Parallel and Distributed Systems (TPDS).
June 2015: Our paper "Leveraging Data Deduplication to Improve the Performance of Primary Storage Systems in the Cloud" has been accepted by IEEE Transactions on Computers (TC).
May 19th, 2015: Zaifa has successfully defended his Master's thesis today. He will join Citigroup (Shanghai). Congratulations and good luck!
December 2014: Our paper "Improving Storage Availability in Cloud-of-Clouds with Hybrid Redundant Data Distribution" has been accepted by the 29th IEEE International Parallel & Distributed Processing Symposium (IPDPS’15) (Acceptance Rate: 21.8%).
December 2014: The Huawei Innovation Research Program, which is collaborated with HUST, has been completed and evaluated as an Excellent project!
October 2014: Our paper "Proactive Data Migration for Improved Storage Availability in Large-Scale Data Centers" has been accepted by IEEE Transactions on Computers (TC).
September 2014: Our group received a new grant awarded by the State Key Laboratory of High-end Server & Storage Technology (PI: Dr. Suzhen Wu). This project aims to design and implement a variable-size chunking-based data deduplication system.
September 2014: Welcome three new graduate students to join our group: Xiao Chen, Yanping Lin, and Weijian Yang.
August 2014: Our group received a new grant awarded by NSFC (PI: Dr. Suzhen Wu). This project aims to address the data layout and buffer management strategies for SSD-based disk arrays.
August 2014: Our group received a new grant awarded by NSFC (PI: Dr. Bo Mao). This project aims to address data deduplication in cloud storage systems.
July 2014: Our group received a new grant awarded by Fundamental Research Funds for the Central Universities (PI: Dr. Bo Mao). This project aims to address the data availability technology of cloud storage systems.
June 2014: Our paper "Exploiting Content Locality to Improve the Performance and Reliability of Phase Change Memory" has been accepted by the 14th International Conference on Algorithms and Architectures for Parallel Processing (ICA3PP’14) (Acceptance Rate: 24.6%).
June 2014: Yanping and Weijian have successfully defended their Bachelor's thesis. They will be graduate students in ASTL in September 2014. Congratulations!
May 9th, 2014: Xiaolan and Xiaoxi have successfully defended their Master's thesis today. They will join Huawei (Hangzhou) and Intel (Shanghai). Congratulations and good luck! (see pics).
March 2014: Our group received a new grant awarded by Huawei Innovation Research Program. The new grant aims to address the availability challenges in Big Data storage systems (PI: Dr. Bo Mao).
January 2014: Our group received a new grant awarded by the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry (PI: Dr. Bo Mao).
December 2013: Our paper "POD: Performance Oriented I/O Deduplication for Primary Storage Systems in the Cloud" has been accepted by the 28th IEEE International Parallel & Distributed Processing Symposium (IPDPS’14) (Acceptance Rate: 21.1%).
October 2013: We have established a collaborative research project with Intel on large-scale storage systems. Under the project, Intel loans us six high-performance servers and five storage nodes. Now our experimental platform consists of 450GB DRAM, 2.5TB SSDs, and 30TB HDDs (see pics).
October 2013: Welcome two new undergraduate students to join our group: Yanping Lin and Weijian Yang.
September 2013: Welcome two new graduate students to join our group: Xiaojuan Liu and Shuting Li.
September 2013: Our paper "Leveraging Data Deduplication to Improve the Performance of Primary Storage Systems in the Cloud" has been accepted by ACM Symposium on Cloud Computing (SOCC’13) as a poster.
July 2013: Our paper "Read Performance Optimization for Deduplication-based Storage Systems in the Cloud" has been accepted by ACM Transactions on Storage (TOS).
May 2013: Welcome Jiayang Guo as a visiting student in our lab.
April 2013: Our lab website has been launched.
