[clug] Linux scheduler performance bugs + tools for many-core server loads
sjenkin at canb.auug.org.au
Tue May 17 21:37:15 UTC 2016
If you’re running lots of cores hard or doing "Big Data”, this paper is of interest.
The Linux Scheduler: a Decade of Wasted Cores
> In our experiments, these performance bugs caused many-fold (a 138x corner case) performance degradation for synchronization-heavy scientific applications, 13% higher latency for kernel make, and a 14- 23% decrease in TPC-H throughput for a widely used commercial database.
Steve Jenkin, IT Systems and Design
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