Re: [go-nuts] Weird problem that CPU is nearly 100%

2020-07-23 Thread tokers
We detected this problem once again, and this time we observed the stacks. See https://github.com/golang/go/issues/40372 for the details. On Friday, May 22, 2020 at 3:25:39 PM UTC+8 Jan Mercl wrote: > On Fri, May 22, 2020 at 9:05 AM tokers wrote: > > > > Thanks for you reply. > > > > Yeah, we

Re: [go-nuts] Weird problem that CPU is nearly 100%

2020-05-22 Thread Jan Mercl
On Fri, May 22, 2020 at 9:05 AM tokers wrote: > > Thanks for you reply. > > Yeah, we have the plan to upgrade our go version to 1.13.10. Note that 1.13 does not have goroutine preemption Ian was talking about wrt 1.14. -- You received this message because you are subscribed to the Google

Re: [go-nuts] Weird problem that CPU is nearly 100%

2020-05-22 Thread tokers
Thanks for you reply. Yeah, we have the plan to upgrade our go version to 1.13.10. -- 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

Re: [go-nuts] Weird problem that CPU is nearly 100%

2020-05-21 Thread Ian Lance Taylor
On Thu, May 21, 2020 at 8:55 PM tokers wrote: > > We have a go program (an api server) on a virtual machine(with 8 cores) with > a long time stable running. > However, the program recently suffered a weird problem that only a single CPU > reached 100% > usage while others were very low, in the

[go-nuts] Weird problem that CPU is nearly 100%

2020-05-21 Thread tokers
Hi! We have a go program (an api server) on a virtual machine(with 8 cores) with a long time stable running. However, the program recently suffered a weird problem that only a single CPU reached 100% usage while others were very low, in the meanwhile, the network bandwidth was totally zero,