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shared memory problem of oracle

shared memory problem of oracle

2005-08-05       - By nasvel

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Reply:     1     2     3  

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@(protected)> 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@(protected) etc]$ free
>>             total       used       free     shared    buffers     cached
>>Mem:      16167632   16039892     127740          0      74212    6684672
>>-/+ buffers/cache:    9281008    6886624
>>Swap:      4194160     175172    4018988
>>
>>[mrtg@(protected) 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 ===
>>
>>--
>>Taroon-list mailing list
>>Taroon-list@(protected)
>>http://www.redhat.com/mailman/listinfo/taroon-list
>>
>>    
>>
>
>
>  
>

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