> On 9 Feb 2017, at 12:42 pm, Mikael <mikael.ml...@gmail.com> wrote: > > Hi misc@, > > The SSD reading benchmark in the previous email shows that per-device > multiqueuing will boost multithreaded random read performance very much > e.g. by ~7X+, e.g. the current 50MB/sec will increase to ~350MB/sec+. > > (I didn't benchmark yet but I suspect the current 50MB/sec is system-wide, > whereas with multiqueuing the 350MB/sec+ would be per drive.) > > Multiuser databases, and any parallell file reading activity, will/would > see a proportional speedup with multiqueing.
hey mikael, can you be more specific about what you mean by multiqueuing for disks? even a reference to an implementation of what you’re asking about would help me answer this question. ill write up a bigger reply after my kids are in bed. cheers, dlg > > > Do you have plans to implement this? > > Was anything done to this end already, any idea when multiqueueing can > happen? > > > Are donations a matter here, if so about what size of donations and to who? > > Someone suggested that implementing it would take a year of work. > > Any clarifications of what's going on and what's possible and how would be > much appreciated. > > > Thanks, > Mikael