Why is it enough to set semi-space-size to 1? On Thu, Jun 27, 2019 at 6:36 PM 'Ulan Degenbaev' via v8-dev < [email protected]> wrote:
> The flag is per isolate > > On Thu, Jun 27, 2019 at 12:29 PM Chunhui Li <[email protected]> > wrote: > >> My question is whether this setting is the limitation of one isolate? Or >> is it a global setting? >> >> On Thu, Jun 27, 2019 at 6:27 PM 'Ulan Degenbaev' via v8-dev < >> [email protected]> wrote: >> >>> Clarification: if 40MB is the expected size of live objects, then you >>> probably want to have some free space in heap to avoid GC storm. >>> So --max-semi-space-size=1 --max-old-space-size=80 might be better in >>> that case. >>> >>> On Thu, Jun 27, 2019 at 12:21 PM Ulan Degenbaev <[email protected]> wrote: >>> >>>> --max-semi-space-size=1 --max-old-space-size=37 would keep the heap >>>> size at around 40. >>>> >>>> FYI, I am adding a new flag --max-heap-size that will be available in >>>> future versions of V8: >>>> https://chromium-review.googlesource.com/c/v8/v8/+/1679500 >>>> >>>> On Thu, Jun 27, 2019 at 12:08 PM Jakob Kummerow <[email protected]> >>>> wrote: >>>> >>>>> The first thing to try is always not to pass any special flags. Does >>>>> that run into any issues? >>>>> >>>>> On Thu, Jun 27, 2019 at 9:47 AM Chunhui Li <[email protected]> >>>>> wrote: >>>>> >>>>>> Adding one another condition, as time goes on, some of the isolates >>>>>> will be disposed and some other new isolates will be created. >>>>>> >>>>>> >>>>>> On Thursday, June 27, 2019 at 11:32:54 AM UTC+8, Chunhui Li wrote: >>>>>>> >>>>>>> I'm using embedded v8 in my server. Each isolate will be about 40M, >>>>>>> and there will be 100 isolates at the same time. What should I pass to >>>>>>> V8 >>>>>>> with --max-semi-space-size and/or --max-old-space-size? >>>>>>> >>>>>> -- >>>>>> -- >>>>>> v8-dev mailing list >>>>>> [email protected] >>>>>> http://groups.google.com/group/v8-dev >>>>>> --- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "v8-dev" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/v8-dev/1e459273-7be1-4d0d-8f06-2c50a817630a%40googlegroups.com >>>>>> <https://groups.google.com/d/msgid/v8-dev/1e459273-7be1-4d0d-8f06-2c50a817630a%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>> -- >>>>> -- >>>>> v8-dev mailing list >>>>> [email protected] >>>>> http://groups.google.com/group/v8-dev >>>>> --- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "v8-dev" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/v8-dev/CAKSzg3RCfep2nF-bFfUBErJphvMZqVeJiPzk30fgOVcM7uv13A%40mail.gmail.com >>>>> <https://groups.google.com/d/msgid/v8-dev/CAKSzg3RCfep2nF-bFfUBErJphvMZqVeJiPzk30fgOVcM7uv13A%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> -- >>> -- >>> v8-dev mailing list >>> [email protected] >>> http://groups.google.com/group/v8-dev >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "v8-dev" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/v8-dev/CABNJt2%2BpEWv4X%3DwecicvySgNXJWH-epJ6Yzbm-KeZN0V9UxMUg%40mail.gmail.com >>> <https://groups.google.com/d/msgid/v8-dev/CABNJt2%2BpEWv4X%3DwecicvySgNXJWH-epJ6Yzbm-KeZN0V9UxMUg%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> -- >> -- >> v8-dev mailing list >> [email protected] >> http://groups.google.com/group/v8-dev >> --- >> You received this message because you are subscribed to the Google Groups >> "v8-dev" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/v8-dev/CAPw3yvyNVSjMYt4bCt0gdiw6hEWWtRMbGBsxhbjXSq80j%2BZ19Q%40mail.gmail.com >> <https://groups.google.com/d/msgid/v8-dev/CAPw3yvyNVSjMYt4bCt0gdiw6hEWWtRMbGBsxhbjXSq80j%2BZ19Q%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > -- > -- > v8-dev mailing list > [email protected] > http://groups.google.com/group/v8-dev > --- > You received this message because you are subscribed to the Google Groups > "v8-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/v8-dev/CABNJt2J0ugiQ3zvgCsahiCu6yXXZUwGmOg_4-0-bkNX81DNOcA%40mail.gmail.com > <https://groups.google.com/d/msgid/v8-dev/CABNJt2J0ugiQ3zvgCsahiCu6yXXZUwGmOg_4-0-bkNX81DNOcA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- -- v8-dev mailing list [email protected] http://groups.google.com/group/v8-dev --- You received this message because you are subscribed to the Google Groups "v8-dev" group. 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