https://github.com/prometheus/prometheus/issues/7483#issuecomment-651647450
The correct link. Le sam. 29 août 2020 à 11:22, Brian Brazil <[email protected]> a écrit : > On Sat, 29 Aug 2020 at 10:07, Ben Kochie <[email protected]> wrote: > >> I think that PR link is incorrect. >> >> Yes, I think we should consider dropping 32-bit official builds. Unless >> we can reduce the amount of mmap'd data. >> > > The amount of mmapping we do is only going to increase. > > >> >> One thing I noticed when running on a 32-bit machine a while back was >> that the mmap'd data is mapped multiple times for different OS threads. >> Setting GOMAXPROCS=1 helped, but only a little. >> > > That doesn't sound right, we do map some files more than once > (particularly during compaction) but not per thread. > > >> There was some discussion about doing mmap on demand, but there was not >> enough interest in 32-bit to consider spending the time. >> > > Even if all that complexity was added and the lack of predictable > performance was acceptable, you'd still be limited to rather small data > sizes. I don't think there's much point complicating the codebase for the > sake of a Prometheus that can't handle more than a few hundred MB of data. > > Brian > > >> >> On Fri, Aug 28, 2020 at 3:05 PM Julien Pivotto < >> [email protected]> wrote: >> >>> Dear developers, >>> >>> Based on this comment from Brian, should we stop providing official 32 >>> bit builds >>> of Prometheus? >>> >>> > 2.19 requires more virtual memory than previous versions, you need a >>> > 64bit machine. 32bit system are generally not supported as we use mmap >>> > a lot, if you want to try to get it to work you can but we don't >>> > promise anything there as trying to support 32bit systems would >>> > cripple things for the vast majority of our users on 64bit systems. I >>> > can only suggest looking at Prometheus 1.x, which did not use mmap. >>> >>> https://github.com/prometheus/prometheus/pull/7686#issuecomment-682534007 >>> >>> If we build them but not recommend them, that seems like a waste of time >>> and resources. >>> >>> -- >>> Julien Pivotto >>> @roidelapluie >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Prometheus Developers" 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/prometheus-developers/20200828130516.GA1428921%40oxygen >>> . >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "Prometheus Developers" 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/prometheus-developers/CABbyFmrkuKc-VHAxydAHEO3PwA95V_tBu0WuuUQ-7c654mS%2Bzg%40mail.gmail.com >> <https://groups.google.com/d/msgid/prometheus-developers/CABbyFmrkuKc-VHAxydAHEO3PwA95V_tBu0WuuUQ-7c654mS%2Bzg%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > Brian Brazil > www.robustperception.io > > -- > You received this message because you are subscribed to the Google Groups > "Prometheus Developers" 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/prometheus-developers/CAHJKeLqHT724Uj9%3D7KiWZg%3DWuRwEaaOFZEZxb6TPF-gD9JkuMw%40mail.gmail.com > <https://groups.google.com/d/msgid/prometheus-developers/CAHJKeLqHT724Uj9%3D7KiWZg%3DWuRwEaaOFZEZxb6TPF-gD9JkuMw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Prometheus Developers" 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/prometheus-developers/CAFJ6V0pnOA3WVnw1%3DUD5LJCH71ukumemQFSOJe0t5Bg3nKDnoA%40mail.gmail.com.
