Date: Thu, 27 Sep 2018 15:39:20 -0700 From: Johannes Lundberg <johalun0@gmail.com> To: Rebecca Cran <rebecca@bluestop.org> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: 12.0-ALPHA5 - ZFS default ARC max apparently forcing system to run out of memory Message-ID: <CAECmPwsRxRBxs=S_hBfshRfiVPZYtqzSkMPG7gLgPTER3nkTww@mail.gmail.com> In-Reply-To: <f3267619-8706-47d2-7b07-590937bf4df7@bluestop.org> References: <f3267619-8706-47d2-7b07-590937bf4df7@bluestop.org>
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On Thu, Sep 27, 2018 at 15:03 Rebecca Cran <rebecca@bluestop.org> wrote: > I'm running 12.0-ALPHA5 on a laptop which has 32GB RAM and 2GB swap. > I've found it running out of memory when building ports via synth: I > think I've also seen it when running a buildworld. Johannes on > FreeBSDDesktop suggested it might be related to ZFS, and setting > vfs.zfs.arc_max to 8GB *does* appear to have resolved the problem. > > > Shortly after running out of memory (with |"swap_pager_getswapspace(32): > failed" messages)|, the first few lines of 'top' were: > > > Mem: 4335M Active, 4854M Inact, 7751M Laundry, 9410M Wired, 48K Buf, > 5332M Free > > ARC: 5235M Total, 4169M MFU, 497M MRU, 172K Anon, 97M Header, 471M Other > > 3479M Compressed, 5930M Uncompressed, 1.70:1 Ratio > > Swap: 2048M Total, 2009M Used, 39M Free, 98% Inuse > > > > I've not seen this happen before on ZFS systems, so is it a regression > in 12? Hi It=E2=80=99s been a few months since I did the same thing so it=E2=80=99s n= ot a recent issue. > > > -- > Rebecca Cran > > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org= " >
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