On Mon, Jun 17, 2019 at 8:41 PM Guoqing Jiang <gqjiang@xxxxxxxx> wrote: > <snip> > >> +}; > > Have we measured the performance overhead of this? > > The linear search for every IO worries me. > > From array's view, I think the performance will not be impacted, > because write IO is complete > after it reached all the non-writemostly devices. > Hmm... How about the cpu utilization rate? Have you got chance to do some simple benchmarking? Thanks, Song <snip>
