Paolo Valente: “The quest for low latency with block I/O“ [ENG]

Paolo Valente / Italy. Emilia / Assistant Professor / Università di Modena e Reggio Emilia Paolo Valente is an Assistant Professor of Computer Science at the University of Modena and Reggio Emilia, Italy. Part of his activities focuses on scheduling algorithms for transmission links, storage devices, and CPUs. As for transmission links, Paolo is one of the authors of the QFQ packet scheduler, which has been in the Linux kernel until 3.7, after that it has been replaced by QFQ , a faster variant defined and implemented by Paolo himself. Paolo is also the author of the last version of the BFQ I/O scheduler, which is considered, by many, one the main components needed to solve Linux latency issues at system and application level. Finally, Paolo has also defined and implemented other algorithms, part of which are now in FreeBSD, and has provided new theoretic results concerning multiprocessor scheduling. The quest for low latency with block I/O The Linux kernel is