3 papers
cs.DB2018
AstroServ: Distributed Database for Serving Large-Scale Full Life-Cycle Astronomical Data
Chen Yang, Xiaofeng Meng, Zhihui Du +6
In time-domain astronomy, STLF (Short-Timescale and Large Field-of-view) sky survey is the latest way of sky observation. Compared to traditional sky survey who can only find astro…
cs.DB2018
Data Management in Time-Domain Astronomy: Requirements and Challenges
Chen Yang, Xiaofeng Meng, Zhihui Du +2
In time-domain astronomy, we need to use the relational database to manage star catalog data. With the development of sky survey technology, the size of star catalog data is larger…
cs.DB2018
A Frequency Scaling based Performance Indicator Framework for Big Data Systems
Chen Yang, Zhihui Du, Xiaofeng Meng +2
It is important for big data systems to identify their performance bottleneck. However, the popular indicators such as resource utilizations, are often misleading and incomparable…