Research
My Research Updates
Optimizing Container Filesystems with ExtFUSE + CNTR
March 2025
Integrated eBPF to reduce context switching in CNTR containers. Enabled dynamic image loading and measured performance on HPC systems with parallel training workloads.
This work improves container startup times by reducing reliance on traditional file I/O. Benchmarks show improved IOPS and reduced overhead in metadata resolution across slim/fat containers.
Research Notes
Volcano: An Extensible and Parallel Query Evaluation System
March 27, 2025
Volcano decouples query execution logic from parallelism, enabling flexible query operators and optimization.
The paper introduces 'exchange' operators to allow intra-query parallelism while maintaining modular operator design. It reports near-linear speedups on shared-memory systems and outlines further scalability prospects for distributed settings.