Thank you for the confirmation! Wonder if I am approaching the problem in a wrong way? How is memory sizing usually done for Go applications - if one is not willing to allocate 2X of the process (real) memory needs?
On Tuesday, August 9, 2016 at 8:15:37 AM UTC+5:30, bronze man wrote: > > I do not find this kind of api in golang. > If you found one,please tell me. > > The best you can do is that calling debug.SetGCPercent(10) to tell golang > gc quicker, calling debug.FreeOsMemory() every second to free os memory > faster and trying to reduce memory alloc number and size. > > > On Sunday, August 7, 2016 at 4:37:42 PM UTC+8, gaurav wrote: >> >> Hi everyone, >> >> I am a bit unclear about how to specify memory limits for Go processes >> and what can be assumed about the Garbage collection behavior when >> approaching such a memory limit. >> >> Specifically, I would want to be able to 'tell' a Go process to not use >> more than X GB of RAM and then expect that if ever the process >> panics/crashes due to lack of memory, then it can be assumed that there are >> enough live objects that account for entire of the 'permitted' X GB limit. >> >> I understand the OS constructs can be used to limit process memory but >> that will probably not be sufficient - as the process could have been >> killed by OS even though Go GC could have internally freed up memory and >> used that instead of asking OS for more. >> >> I understand that fiddling with GOGC will make the GC more aggressive but >> it doesn't feel right to make this too aggressive to enforce the above >> desired behavior. Keeping it at default will probably only guarantee me >> that half the heap contains live/useful objects at any give time. >> >> Please let me know if there is something I have missed to read regarding >> this or if there is already a way to achieve this? >> >> -- >> cheers, >> gaurav >> >> >> -- 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.
