Re: Memory usage of Oracle processes

karsten_schmidt8891_at_my-deja.com wrote:
>The memory you see in top see includes shared memory that the
 process
>has attached.
>each oracle process will show up with the entire sga (block
 buffers,
>etc.)
>
>Karsten
>
>In article <9xni5.55$%A.1935_at_news2.bora.net>,
> "Lee, Jieun" <jieunyee_at_cyber-link.co.kr> wrote:
>> Hi!
>> When I monitor the database server processes using top
 command ,
>> each oracle process shows size of over 230M .
>> It suffer from memory lack in peak times as the server has
 1.5G real
 memory.
>> I checked my Linux system in the same way , the sizes are
 under 20M.
>> Which factor does decide the size in Oracle configuration or
 O/S ?
>>
>> Have a nice day.
>>

Karsten is right. Depending on the version of UNIX you have and which utility you are using the memory usage statistics you see are basically bogus as portions to all of shared memeory may show up in relation to Oracle processes. Linux being a very basic UNIX system is almost surely going to have this problem.

• Mark D. Powell -- The only advice that counts is the advice that you follow so follow your own advice. --

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