On Tue, 2002-09-24 at 18:07, Martin MOKREJŠ wrote:
> On 24 Sep 2002, Bradley W. Langhorst wrote:
>
> > probably you want to run the iostat 1 during heavier load...
> > however the summary result does look funny to me...
> >
> > On my system we have ~ 1:1 ratio of reads to writes
> > you have a ~ 1:200 ratio of reads to writes.
> > Does that make sense in your environment?
>
> Didn't you have a look into the first lines where's the summary output
> from iostat?
>
sure i did... maybe i'm misreading it
avg-cpu: %user %nice %sys %idle
16.79 0.00 26.39 56.82
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
dev8-0 11.80 2.24 184.95 541354 44609586
dev8-1 11.80 1.67 184.95 403090 44609586
Unless I'm mistaken the summary says that (on average) he only has 2
reads/s vs 185 writes/s
> All those other remaining output lines show zero disk
> activity ...
That's why I suggested he run iostat when the system is under more load.
> >
> > It doesn't look like your system has a memory problem so i'd not worry
> > about vmstat.
>
> I'd would worry. Actually, what says "dmesg" command?
The reason I think memory is no problem here is:
Mem: 3229040K av, 3166372K used, 62668K free, 0K shrd, 148480K
buff
Swap: 513976K av, 0K used, 513976K free 2758060K
cached
so the swap file has not been touched and there is 2.7gig of disk being
cached in RAM
brad
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