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Distributed Real-Time Databases [chapter]

Ragunathan Rajkumar
1991 Synchronization in Real-Time Systems  
Hij bracht me in contact met de database mensen binnen Ericsson. Ik ben vee! verschuldigd aan Claes Wikstrom, een van de ontwerpers van de Mnesia database.  ...  In an embedded system, real-time transactions are issued to a database. A transaction t has to finish execution within a certain time-span.  ...  Organization of this thesis The first chapter contains an introduction into the field of real-time databases, an informal problem description, six example real-time systems that use databases and this  ... 
doi:10.1007/978-1-4615-4000-7_4 fatcat:za4jxrd6gfalhjgwzq2r5qg5em

On real-time distributed geographical database systems

Choy, Kwan, Hong Va Leong
1994 Proceedings of the Twenty-Seventh Hawaii International Conference on System Sciences HICSS-94  
Issues on data modeling, dat., representation, storage and retrievM, data aggregation, and parallel processing of on-line queries in the proposed GIS-based systems axe discussed.  ...  We investigate the use of GIS-based systems for applications in ATIS and we propose a new system architecture based on existing GIS technology and distributed computing technology.  ...  Applications of the newly developed data models in other systems should be studied. Figure 1 : 1 An Overview of the System :2 System Architecture Figure I sl~ows an overview of our system.  ... 
doi:10.1109/hicss.1994.323481 fatcat:miaxqexsave2hc4w43bhqz3mla

Beehive: Global Multimedia Database Support for Dependable, Real-Time Applications [chapter]

John Stankovic, Sang Son, Jörg Liebeherr
1997 Real-Time Database and Information Systems: Research Advances  
A summary of the work concludes the paper. 2 General BeeHive Design An Overview of the Design BeeHive is an application-focussed global virtual database system.  ...  The con uence of computers, communications and databases is quickly creating a global virtual database where many applications require real-time access to both temporally accurate and multimedia data.  ...  DeeDS (Distributed Active Real-Time Database System) 6] prototype is an event-triggered real-time database system, using dynamic scheduling of sets of transactions, beingdeveloped in Sweden.  ... 
doi:10.1007/978-1-4615-6069-2_22 fatcat:5jtweeqvhzeplpq4mxjzuu5oai

Multiclass query scheduling in real-time database systems

HweeHwa Pang, M.J. Carey, M. Livny
1995 IEEE Transactions on Knowledge and Data Engineering  
RELATED WORK A significant body of work exists in the real-time database system area [23] , but almost all of this work has focused on issues and algorithms related to either real-time transaction scheduling  ...  Carey, Member, IEEE, and Miron Livny Abstract-In recent years, a demand for real-time systems that can manipulate large amounts of shared data has led to the emergence of real-time database systems (RTDBS  ...  Kurose, and D. Towsley, "Performance evaluation of two new disk scheduling algorithms for real-time systems," J. Real-Time Systems, vol. 3, no. 3, Sept. 1991. [S] D. Cornel l and P.  ... 
doi:10.1109/69.404028 fatcat:mt3hfxe5lbhgnp3cd6p35wumum

Transaction processing in distributed active real-time database systems

Özgür Ulusoy
1998 Journal of Systems and Software  
An active real-time database system (ARTDBS) is designed to provide timely response to the critical situations that are de®ned on database states.  ...  In this paper, 2 we describe a detailed performance model of a distributed ARTDBS and investigate various performance issues in time-cognizant transaction processing in ARTDBSs.  ...  For an overview of the recent research on real-time database systems, the reader is encouraged to refer to [36, 49] .  ... 
doi:10.1016/s0164-1212(98)10013-4 fatcat:giyuzk2lzngqvavsixgtctcibi

Research issues in real-time database systems Survey paper

O Ulusoy
1995 Information Sciences  
Management of real-time information through a database system requires the integration of concepts from both real-time systems and database systems.  ...  In this paper, a basic understanding of the issues in real-time database systems is provided and the research efforts in this area are introduced.  ...  Ramamritham [52] discusses the characteristics of real-time systems and database systems that are relevant to RTDBSs.  ... 
doi:10.1016/0020-0255(95)00130-1 fatcat:xpbewsfa3vb3jlbzxinnqehldy

Incorporating real-time scheduling methods into database management systems

Özgür Ulusoy
1995 Journal of information science  
In this paper, we summarise and stimulate developments of time-cognisant scheduling techniques for database management systems.  ...  This requirement leads to an increasing trend towards adapting real-time scheduling techniques to the management of data access requests.  ...  However, the scheduling algorithms used in real-time systems assume in general a priori knowledge about the characteristics of transactions, such as arrival time, data/resource access pattern, worst case  ... 
doi:10.1177/016555159502100409 fatcat:c4r3rxlwqrau5cgcfhys3denaq

AnalyticDB

Chaoqun Zhan, Fang Zheng, Chengliang Chai, Maomeng Su, Chuangxian Wei, Xiaoqiang Peng, Liang Lin, Sheng Wang, Zhe Chen, Feifei Li, Yue Pan
2019 Proceedings of the VLDB Endowment  
In this paper, we introduce AnalyticDB, a real-time O-LAP database system developed at Alibaba.  ...  With data explosion in scale and variety, OLAP databases play an increasingly important role in serving real-time analysis with low latency (e.g., hundreds of milliseconds), especially when incoming queries  ...  Yi Yuan for their contributions to developing, implementing and administrating AnalyticDB.  ... 
doi:10.14778/3352063.3352124 fatcat:u2oa2bbhqbgbfh5iqe5upraf4u

Power- and time-aware buffer cache management for real-time embedded databases

Woochul Kang, Sang H. Son
2012 Journal of systems architecture  
Due to the explosive increases of data from both the cyber and physical worlds, the demand for database support in embedded systems is increasing.  ...  Databases for embedded systems, or embedded databases, are expected to provide timely in-situ data services under various resource constraints, such as limited energy.  ...  Baselines and Performance Goals To our best knowledge, the issue of simultaneous control of the power consumption and the deadline miss ratio have not been studied in real-time databases, and for buffer  ... 
doi:10.1016/j.sysarc.2012.03.003 fatcat:54x3gs3dsnde7m6cgnsmyhyfne

QeDB: A Quality-Aware Embedded Real-Time Database

Woochul Kang, Sang H. Son, John A. Stankovic
2009 2009 15th IEEE Real-Time and Embedded Technology and Applications Symposium  
QeDB is a database for data-intensive real-time applications running on flash memory-based embedded systems.  ...  Moreover, the existing real-time database (RTDB) technology can not be applied to these embedded databases since they hypothesize that the main memory of a system is large enough to hold all database,  ...  Overview of QeDB System Model QeDB targets real-time embedded systems having a highcapacity flash memory as a secondary storage.  ... 
doi:10.1109/rtas.2009.31 dblp:conf/rtas/KangSS09 fatcat:kqu7wkp4srgs5i45rfnx3btev4

Multiclass transaction scheduling and overload management in firm real-time database systems

Anindya Datta, Sarit Mukherjee, Prabhudev Konana, Igor R. Viguier, Akhilesh Bajaj
1996 Information Systems  
Unfortunately overload management has been a fairly neglected area in real-time systems research in general and real-time database research in particular.  ...  Abstract Real-Time Database Systems (RTDBSs), have attracted considerable amount of research attention in the recent past and a number of important applications have been identi ed for such systems, such  ...  Since, timely processing is of critical importance, such DBMSs are called Real-Time Database Systems (RTDBSs) 20].  ... 
doi:10.1016/s0306-4379(96)00003-8 fatcat:cw4urx5dk5cfrmn6mqt4e3uree

A framework to model real-time databases [article]

Nizar Idoudi , Bruno Sadeg
2010 arXiv   pre-print
In this paper, we give an overview about different aspects of real-time databases and we clarify requirements of their modelling.  ...  Real-time databases deal with time-constrained data and time-constrained transactions.  ...  Since September 2003, he has been an associate professor at the University of Le Havre. His main topics of research are Real-Time Databases, Real-Time Systems and Multimedia Systems.  ... 
arXiv:1001.1276v1 fatcat:pgyhkalpwbbjppf2z2sprip2cy

Data management for component-based embedded real-time systems: The database proxy approach

Andreas Hjertström, Dag Nyström, Mikael Sjödin
2012 Journal of Systems and Software  
Our approach primarily targets embedded systems with a subset of functionality with real-time requirements.  ...  We introduce the concept of database proxies intended to mitigate the gap between two disjoint productivity-enhancing techniques: component based software engineering (CBSE) and real-time database management  ...  Acknowledgement This work is supported by the Swedish Foundation for Strategic Research within the PROGRESS Centre for Predictable Embedded Software Systems.  ... 
doi:10.1016/j.jss.2011.10.036 fatcat:k4knvfcxlzcx7nchld4mbwdb6i

A Distributed Real-Time Main-Memory Database for Telecommunication [chapter]

Jan Lindström, Tiina Niklander, Pasi Porkka, Kimmo Raatikainen
2000 Lecture Notes in Computer Science  
The direct invocation of database objects from a CORBA application is an important performance issue.  ...  The prototype implementation of RODAIN database architecture supports real-time scheduling of real-time and non-real-time transactions.  ... 
doi:10.1007/10721056_12 fatcat:bkdywaxru5harjum2lf5kpwscu

DRACON: QoS Management for Large-Scale Distributed Real-Time Databases

Woochul Kang, Sang H. Son, John A. Stankovic
2009 Journal of Software  
N, “Overview of real-time database management system design for power system DRACON has been designed to provide a highly  ...  He received an IEEE Award for Outstanding Technical Contributions and Leadership in Real- Time Systems, and an Outstanding Scholar Award from the Uni- versity of Massachusetts.  ... 
doi:10.4304/jsw.4.7.747-757 fatcat:5yua457slfcgznryqc2n54ffta
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