News

Students with Interests

If you are good at two or more of the following skills, we shall definitely meet and talk. (If you are a undergraduate, one is sufficient)
  • Decent programming skills (C, C++, Python, Rust, etc.)
  • Data Management Programming or Kernel Optimization (SQL, CQL, NewSQL, PostgreSQL, Cassandra, Redis, Zookeeper, Docker, etc.)
  • Hardware hands-on experience (Verilog/VHDL/Chisel, HLS C/C++/OpenCL, CUDA, OpenCL)
  • Hardware simulators and modeling (gem5, gpgpu-sim, Multi2Sim, etc.)
  • Modeling and machine learning (Matlab, PyTorch, TF, Keras, PaddlePaddle)
For more information, please feel free to contact me using the email address on my page.

On-going Projects

  • An Elastic Consistency Balancing across All Replicas in All Hierarchies
    We are trying to extend the original raft into the practical scenarios. That is providing scalable and cheap distributed services within the Raft protocol. The main contribution of this research is to extending the scope of a strong consensus algorithm into a very unreliable platform and make it work statistically in practice.
    Here we promote our eRaft. eRaft is a high-performance C++ Raft library. This project is mainly developed by graduates from our GOOD lab. The Raft algorithm shall be accredited to Dr. Diego Ongaro. At present, our project has been included in the official distribution. We hope to explore the possibility of optimizing the existing algorithms on the basis of realizing a stable practical Raft library. If you are interested, please join us. Anyone interested may refer project.
  • Database Kernel Optimization
    We are interested in novel database design on new hardware. We believe the storage as well as the processing are both the bottleneck of the database services. We are calling help from novel processing chips, like GPU and DCU, and new memory architecture, such as phase change memory, to integrate with a database design. As such, we are working towards building up fast databases with a broader view of underlying systems.
  • Ocean Database with Tempro-spatial Features
    We are interested in ocean data, which by no means are large, versatile, and unpredictable. For this, we are going to build a database for ocean data, in order to serve applications, such as weather forecast, current prediction, etc. This is uniquely interesting because there are so many things in the sea that we have little knowledge about. As such, we tend to build the knowledge on top of this and forward a underlying database to serve fast queries, SQL and newSQL, to better improve the work.
  • Making a Correct Database
    Making a correct database is hard. No one can guarantee that a database is correct all the time since it selects different execution paths even for the same query. We would like to further explore how we can guarantee the correctness of a database building, processing, and outputing. Furthermore, we would like to know that what we do is correct as well. For this, we introduce database test with fuzzors. Based on a fuzzy algebra, we can produce mutant samples of testing and verification for novel systems as well as the AI platform.
  • System Optimizations with Multiple Objectives
    We are trying to optimize all data services with metrics that are interesting, including but not limited to performance, throughput, energy, carbon, etc. Modeling and representation can help us better understand the world, as well as the data itself is a mimic of our on-going life. For a database system, we would like to shape it in a better way.

Teaching