virtually no free memory left on buildworld
Julian Elischer
julian at elischer.org
Wed Jul 29 18:26:36 UTC 2009
Anton Shterenlikht wrote:
> I just installed new 4GB RAM in ia64 rx2600 box.
> On make -j8 buildworld I see with "top -PISu":
>
>
> last pid: 69791; load averages: 8.42, 8.44, 8.59 up 0+02:04:49 18:18:17
> 154 processes: 11 running, 125 sleeping, 18 waiting
> CPU 0: 88.8% user, 0.0% nice, 11.0% system, 0.1% interrupt, 0.0% idle
> CPU 1: 92.5% user, 0.0% nice, 7.4% system, 0.0% interrupt, 0.0% idle
> Mem: 856M Active, 2414M Inact, 492M Wired, 136M Cache, 417M Buf, 17M Free
> Swap: 2048M Total, 2048M Free
>
> PID UID THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
> 63039 0 1 102 0 455M 452M RUN 1 3:14 31.49% cc1
> 69612 0 1 101 0 71760K 69288K RUN 1 0:06 25.88% cc1
> 69449 0 1 101 0 103M 101M RUN 0 0:11 24.46% cc1
> 69437 0 1 101 0 115M 113M RUN 0 0:11 23.88% cc1
> 69626 0 1 100 0 66688K 64760K RUN 0 0:05 20.36% cc1
> 69774 0 1 96 0 23072K 21336K RUN 0 0:00 4.69% cc1
> 69775 0 1 70 0 4296K 2984K piperd 0 0:00 0.20% as
> 69772 0 1 76 0 6280K 2896K wait 1 0:00 0.10% sh
> 69773 0 1 76 0 2248K 968K wait 1 0:00 0.10% cc
> 69784 0 1 96 0 19104K 16872K CPU1 1 0:00 0.00% cc1
> 69785 0 1 76 0 4296K 2968K piperd 1 0:00 0.00% as
>
>
> Is it normal that there is virtually no free memory left, while there
> are 2GB of inactive memory?
inactive memory IS free memory. It just happens to contain information
that, should you want it again, can be instantly made valid again.
>
> many thanks
>
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