Re: shared memory problem of oracle

[nasvel <nasvel free fr>]

Hi,

ok, the command ipcs shows the shared memory usage.

thanks!

------ Shared Memory Segments --------
key        shmid      owner      perms      bytes      nattch     status
0xe9a8bec4 32769      oracle    640        692072448  132
0x00000000 65538      oracle    640        4096       0


Magnus Andersen wrote:

> What is the output from ipcs?
>
> On 8/5/05, nasvel <nasvel free fr> wrote:
>  
>
> > Hi,
> >
> > I've encountered a strange problem of memory management on taroon, so I
> > need you guys' help.
> >
> > on our server, we've got an oracle Release 9.2.0.6.0 installed. Today,
> > when I was checking the memory utilization on the server, I found that
> > there is no shared memory used in the system. I found it is pretty
> > strange, because I think oracle uses a lot of IPC calls, and at least,
> > the libraries oracle should be shared between the oracle processes.
> >
> > some ideas?
> >
> > thanks in advance,
> >
> > dux
> >
> > === begin output ===
> >
> > [mrtg saturne etc]$ free
> >             total       used       free     shared    buffers     cached
> > Mem:      16167632   16039892     127740          0      74212    6684672
> > -/+ buffers/cache:    9281008    6886624
> > Swap:      4194160     175172    4018988
> >
> > [mrtg saturne etc]$ cat /proc/meminfo
> >        total:    used:    free:  shared: buffers:  cached:
> > Mem:  16555655168 16397643776 158011392        0 35811328 7006470144
> > Swap: 4294819840 179376128 4115443712
> > MemTotal:     16167632 kB
> > MemFree:        154308 kB
> > MemShared:           0 kB
> > Buffers:         34972 kB
> > Cached:        6684672 kB
> > SwapCached:     157584 kB
> > Active:          20700 kB
> > Inact_dirty:    254860 kB
> > Inact_clean:   6601676 kB
> > Inact_target:  2224276 kB
> > HighTotal:    15531996 kB
> > HighFree:         6024 kB
> > LowTotal:       635636 kB
> > LowFree:        148284 kB
> > SwapTotal:     4194160 kB
> > SwapFree:      4018988 kB
> > BigPagesFree:    90112 kB
> >
> > === end output ===
> >
> > --
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> >
> >    
>
>
>