TY - JOUR
T1 - Load Shedding Strategy Based on Combined Feed-Forward Plus Feedback Control over Data Streams
AU - Han, Donghong
AU - Fang, Yi
AU - Yi, Daqing
AU - Zhang, Yifei
AU - Tang, Xiang
AU - Wang, Guoren
N1 - Publisher Copyright:
© 2019 Editorial Department of Journal of Beijing Institute of Technology.
PY - 2019/9/1
Y1 - 2019/9/1
N2 - In data stream management systems (DSMSs), how to maintain the quality of queries is a difficult problem because both the processing cost and data arrival rates are highly unpredictable. When the system is overloaded, quality degrades significantly and thus load shedding becomes necessary. Unlike processing overloading in the general way which is only by a feedback control (FB) loop to obtain a good and stable performance over data streams, a feedback plus feed-forward control (FFC) strategy is introduced in DSMSs, which have a good quality of service (QoS) in the aspects of miss ratio and processing delay. In this paper, a quality adaptation framework is proposed, in which the control-theory-based techniques are leveraged to adjust the application behavior with the considerations of the current system status. Compared to previous solutions, the FFC strategy achieves a good quality with a waste of fewer resources.
AB - In data stream management systems (DSMSs), how to maintain the quality of queries is a difficult problem because both the processing cost and data arrival rates are highly unpredictable. When the system is overloaded, quality degrades significantly and thus load shedding becomes necessary. Unlike processing overloading in the general way which is only by a feedback control (FB) loop to obtain a good and stable performance over data streams, a feedback plus feed-forward control (FFC) strategy is introduced in DSMSs, which have a good quality of service (QoS) in the aspects of miss ratio and processing delay. In this paper, a quality adaptation framework is proposed, in which the control-theory-based techniques are leveraged to adjust the application behavior with the considerations of the current system status. Compared to previous solutions, the FFC strategy achieves a good quality with a waste of fewer resources.
KW - Data stream management systems (DSMSs)
KW - Feed-forward control
KW - Feedback control
KW - Load shedding
KW - Quality of service (QoS)
UR - http://www.scopus.com/inward/record.url?scp=85076674354&partnerID=8YFLogxK
U2 - 10.15918/j.jbit1004-0579.18035
DO - 10.15918/j.jbit1004-0579.18035
M3 - Article
AN - SCOPUS:85076674354
SN - 1004-0579
VL - 28
SP - 437
EP - 446
JO - Journal of Beijing Institute of Technology (English Edition)
JF - Journal of Beijing Institute of Technology (English Edition)
IS - 3
ER -