Date: Wed, 8 Mar 2017 07:14:28 +0800 From: Erich Dollansky <erichsfreebsdlist@alogt.com> To: Ian Smith <smithi@nimnet.asn.au> Cc: "stable@freebsd.org" <stable@freebsd.org> Subject: Re: slow machine, swap in use, but more than 5GB of RAM inactive Message-ID: <20170308071428.5f50167c@X220.alogt.com> In-Reply-To: <20170307232423.G87835@sola.nimnet.asn.au> References: <20170307101935.4c04ad5e@X220.alogt.com> <20170307232423.G87835@sola.nimnet.asn.au>
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Hi, On Tue, 7 Mar 2017 23:30:58 +1100 (EST) Ian Smith <smithi@nimnet.asn.au> wrote: > On Tue, 7 Mar 2017 10:19:35 +0800, Erich Dollansky wrote: > > Hi, > > > > I wonder about the slow speed of my machine while top shows ample > > inactive memory: > > ( quoting from this top output because it's neater :) > > > last pid: 85287; load averages: 2.56, 2.44, 1.68 > > up 6+10:24:45 10:13:36 191 processes: 5 running, 186 sleeping > > CPU 0: 47.1% user, 0.0% nice, 51.4% system, 0.0% interrupt, 1.6% > > idle CPU 1: 38.4% user, 0.0% nice, 60.4% system, 0.0% interrupt, > > 1.2% idle CPU 2: 38.8% user, 0.0% nice, 59.2% system, 0.0% > > interrupt, 2.0% idle CPU 3: 45.5% user, 0.0% nice, 51.0% system, > > 0.4% interrupt, 3.1% idle Mem: 677M Active, 5600M Inact, 1083M > > Wired, 178M Cache, 816M Buf,301M Free > > Swap: 16G Total, 1352M Used, 15G Free, 8% Inuse > > Others have covered the swap / inactive memory issue. > > But I'd expect this to be slow, for any new work anyway .. there's > next to no idle on any CPU. I'd be asking, what's all of that system > usage? > this is building ports in the background. Still, used doing this ones a month, I know the feeling when the ports are updated. This one was really slow. Hopefully, it was just an unlucky coincidence. I rebooted meanwhile the machine. It is faster now, I would say, it is back to normal now. It did not come to its limits since the new start. It is now on: FreeBSD 10.3-STABLE #3 r314363 Erich
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