2 papers
cs.DC2023
Diagnosing applications' I/O behavior through system call observability
Tânia Esteves, Ricardo Macedo, Rui Oliveira +1
We present DIO, a generic tool for observing inefficient and erroneous I/O interactions between applications and in-kernel storage systems that lead to performance, dependability,…
cs.DC2023
PADLL: Taming Metadata-intensive HPC Jobs Through Dynamic, Application-agnostic QoS Control
Ricardo Macedo, Mariana Miranda, Yusuke Tanimura +6
Modern I/O applications that run on HPC infrastructures are increasingly becoming read and metadata intensive. However, having multiple concurrent applications submitting large amo…