On Thu, Jul 13, 2017 at 9:15 PM, Chifeng Chou <cfc...@gmail.com> wrote: > > I implemented a weighted fair queue using a naive approach which is giving > different amount of attempts according to weights to access upstreams. > However, when calls of fetch() come very fast, our internal sync constructs > are not ready(when select) and many attempts are simply wasted. > It seems that Go's scheduler steps in, therefore the results of many > scenarios are not always predictable. > > The involvement of Go's scheduler seems unavoidable. So is it innately unfit > to implement WFQ in this way?
I don't understand why you are using a select statement with a default case. Just use the comma-ok form to read from the channel, as in https://play.golang.org/p/OqK0nELGcX . Ian -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.