To be honest I would question if its a usable solution if they are limiting that low on threads, so is the fix to switch or have the provider increase the limit to a sensible number?
On Thu, 1 Feb 2024 at 16:08, Steve Roth <st...@rothskeller.net> wrote: > Thanks to the people who suggested how to limit the number of apparent > cores. Unfortunately, doing that didn't solve the problem. I have the > number of cores now limited to two — confirmed by checking runtime.NumCPU() > — but the program is still trying to allocate more than 25 threads, and > crashing when cgroups won't let it. > > Surely there must be some way to get a Go program to run successfully in > an environment with process limits? Any further suggestions would be > greatly appreciated. > > Regards, > Steve > > > On Wed, Jan 31, 2024 at 6:43 PM Steve Roth <st...@rothskeller.net> wrote: > >> I am running Go code on a shared web hosting server from a major hosting >> company. Using cgroups, they limit the number of threads any user can >> create to 25. Up until a week ago, they had me running on a server with 24 >> cores, and everything worked fine. Now they've moved me to a new server >> with 128 cores. The Go runtime thinks it should be able to create that >> many threads, and it can't, and all of my Go programs crash with, "runtime: >> failed to create new OS thread". >> >> Setting GOMAXPROCS doesn't help this, since it only controls the number >> of active threads, not the total number of threads. The Go runtime still >> thinks it can create as many threads as there are cores, and crashes the >> program when it's blocked from doing so. >> >> Is there any way around this? Or is Go just completely unusable in an >> environment where the per-user process limit is less than the number of >> cores? >> >> Many thanks, >> Steve >> >> >> -- > 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. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/CAAnpqKEzZcFxDkG2Qtzf25hPwkZq2EstbDbYtBz4CtTaBQxqWA%40mail.gmail.com > <https://groups.google.com/d/msgid/golang-nuts/CAAnpqKEzZcFxDkG2Qtzf25hPwkZq2EstbDbYtBz4CtTaBQxqWA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/CAA38peZRd9uKHa49Lz22u40jJqULJz9FKNEqYztiSg%2Bmh57moQ%40mail.gmail.com.
