Re: [HACKERS] OS scheduler bugs affecting high-concurrency contention

2016-04-19 Thread Andrea Suisani
Hi, On 04/16/2016 04:15 PM, Kevin Grittner wrote: There is a paper that any one interested in performance at high concurrency, especially in Linux, should read[1]. While doing other work, a group of researchers saw behavior that they suspected was due to scheduler bugs in Linux. There were no

[HACKERS] OS scheduler bugs affecting high-concurrency contention

2016-04-16 Thread Kevin Grittner
There is a paper that any one interested in performance at high concurrency, especially in Linux, should read[1]. While doing other work, a group of researchers saw behavior that they suspected was due to scheduler bugs in Linux. There were no tools that made proving that practical, so they