国家自然科学基金(61373145)

作品数:6被引量:29H指数:2
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相关作者:陈康武永卫吴昊郑纬民更多>>
相关机构:清华大学更多>>
相关期刊:《大数据》《ZTE Communications》《计算机应用研究》《Science China(Information Sciences)》更多>>
相关主题:NVM负载均衡利用率调度研究调度策略更多>>
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Multi-Clock Snapshot Isolation Concurrency Control for NVM Database
《Tsinghua Science and Technology》2022年第6期925-938,共14页Xuyang Liu Kang Chen Mengxing Liu Shiyu Cai Yongwei Wu Weimin Zheng 
supported by the National Key Research&Development Program of China(No.2016YFB1000504);the National Natural Science Foundation of China(Nos.61877035,61433008,61373145,and 61572280).
Multi-Clock Snapshot Isolation(MCSI)is a concurrency control mechanism that implements snapshot isolation on a single-layer Non-Volatile Memory(NVM)database.It stores a single copy of data by using multi-version stora...
关键词:Non-Volatile Memory(NVM) snapshot isolation Multi-Version Concurrency Control(MVCC) vector clock 
Garbage Collection and Data Recovery for N2DB
《Tsinghua Science and Technology》2022年第3期630-641,共12页Shiyu Cai Kang Chen Mengxing Liu Xuyang Liu Yongwei Wu Weimin Zheng 
supported by the National Key Research & Development Program of China (No. 2016YFB1000504);the National Natural Science Foundation of China (Nos. 61877035, 61433008, 61373145, and 61572280)。
Non-Volatile Memory(NVM) offers byte-addressability and persistency. Because NVM can be plugged into memory and provide low latency, it offers a new opportunity to build new database systems with a single-layer storag...
关键词:Non-Volatile Memory(NVM) Garbage Collection(GC) data recovery 
容器云多维资源利用率均衡调度研究被引量:19
《计算机应用研究》2020年第4期1102-1106,共5页龚坤 武永卫 陈康 
国家重点研发计划资助项目(2016YFB1000504);国家自然科学基金资助项目(61433008,61373145,61572280,U1435216);中国博士后科学基金资助项目(2018M630162)。
在OpenShift容器云平台上针对其调度策略进行研究和改进,提出了基于多维资源空闲率权重的评价函数和调度方法。该方法综合考虑物理节点CPU、内存、磁盘、网络带宽空闲率和已部署的容器应用个数等因素,利用模糊层次分析法(fuzzy analytic...
关键词:容器云 调度策略 OpenShift平台 评价函数 负载均衡 
基于RDMA和NVM的大数据系统一致性协议研究被引量:8
《大数据》2019年第4期89-99,共11页吴昊 陈康 武永卫 郑纬民 
国家重点研发计划基金资助项目(No.2016YFB1000504);国家自然科学基金资助项目(No.61433008,No.61373145,No.61572280,No.U1435216);中国博士后科学基金资助项目(No.2018M630162)~~
分布式的存储系统以及计算系统是构造大数据处理系统的基础。系统的高可用性是任何一个分布式系统的基石,高可用技术一般依赖于一致性协议。讨论了经典的非拜占庭的分布式一致性协议以及新技术发展下的RDMA通信协议与NVM存储介质,通过R...
关键词:大数据 分布式系统 一致性协议 远程内存直接访问 非易失存储器 
Fixing, preventing, and recovering from concurrency bugs被引量:2
《Science China(Information Sciences)》2015年第5期54-71,共18页DENG DongDong JIN GuoLiang de KRUIJF Marc LI Ang LIBLIT Ben LU Shan QI ShanXiang REN JingLei SANKARALINGAM Karthikeyan SONG LinHai WU YongWei ZHANG MingXing ZHANG Wei ZHENG WeiMin 
supported by Natural Science Foundation(Grant Nos.CCF-0701957,CCF-0953478,CCF-0845751,CCF-1018180,CCF-1054616,CCF-1217582,CCF-1439091);DOE contract DE-SC0002153;LLNL contract B580360;National Natural Science Foundation of China(Grant Nos.61433008,61373145,61170210,U1435216);National High-tech R&D Program of China(863 Program)(Grant No.2012AA012600);Chinese Special Project of Science and Technology(Grant No.2013zx01039-002-002)
Concurrency bugs are becoming widespread with the emerging ubiquity of muiticore processors and multithreaded software. They manifest during production runs and lead to severe losses. Many effective concurrency-bug de...
关键词:concurrency bugs bug detection production run performance counters 
Preventing Data Leakage in a Cloud Environment
《ZTE Communications》2013年第4期27-31,共5页Fuzhi Cang Mingxing Zhang Yongwei Wu Weimin Zheng 
supported by National Basic Research (973) Program of China (2011CB302505);Natural Science Foundation of China (61373145, 61170210);National High-Tech R&D (863) Program of China (2012AA012600,2011AA01A203);Chinese Special Project of Science and Technology (2012ZX01039001)
Despite the multifaceted advantages of cloud computing,concerns about data leakage or abuse impedes its adoption for security-sensi tive tasks.Recent investigations have revealed that the risk of unauthorized data acc...
关键词:cloud computing data leakage data tracking data provenance homomorphic encryption 
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