LVFS: A Lightweight Video Storage File System for IP Camera-Based Surveillance Applications

被引:1
|
作者
Wang, Chong [1 ]
Zhou, Ke [1 ]
Niu, Zhongying [2 ]
Wei, Ronglei [1 ]
Li, Hongwei [1 ]
机构
[1] Huazhong Univ Sci & Technol, Sch Comp, Wuhan Natl Lab Optoelect, Wuhan, Hubei, Peoples R China
[2] Beijing Comp Inst Technol & Applicat, Beijing, Peoples R China
来源
基金
中国国家自然科学基金;
关键词
Video surveillance; Storage system; File system; IP cameras;
D O I
10.1007/978-3-319-73600-6_17
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Surveillance video data are characterized by a high-volume write-oriented workload and cyclic use of storage space at full capacity. Besides, the video data needs indexing to support accurate-query. Data archiving for such applications, however, is complicated by the increasing demands of higher-resolution cameras and longer video-retention times. Due to the constant data steaming and nearly 100% write activity, general-purpose file systems will not suffice for present purposes. Thus, we specially design and implement a lightweight video storage file system (LVFS) for IP camera-based surveillance applications. LVFS provides a recycled storage platform to meet the retention requirement of surveillance applications, and delivers high performance for concurrent stream data uploading from multiple cameras and accurate data retrieval. Results of a multi-workload experiment show that LVFS is able to archive 40 HD or 16 full-HD cameras for an individual hard disk while processing nearly constant time queries, indicating that LVFS successfully fits the system requirement and performs better than general-purpose file system.
引用
收藏
页码:189 / 199
页数:11
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