Re: anothere Oracle memory question

Why do you have 64M background process total but only 30M SGA?

andrew_webby at hotmail wrote in message <992515142.11661.0.nnrp-14.c30bdde2_at_news.demon.co.uk>...
>Out of interest, I should mention you need to have an ORACLE_SID set, and
>doing summem.sh S without any client connections will get you nothing.
>
>Here's a wee figure on Solaris8/Intel, 8.1.6 for one client connection.
>$ summem.sh S
>
>Total Shadow (bytes) : 888832 (so not even a meg then)
> -----
>Grand Total (bytes) : 888832
>
>$ summem.sh B
>
>Total Private (bytes) : 5951488
>Total Shared (bytes) : 58863616
> -----
>Grand Total (bytes) : 64815104
>
>SQL> show sga
>
>Total System Global Area 30,17,5216 bytes
>Fixed Size 69,616 bytes
>Variable Size 21,835,776 bytes
>Database Buffers 8,192,000 bytes
>Redo Buffers 77,824 bytes
>
>"Robert Yeh" <robert.yeh_at_qwest.com> wrote in message
>news:9g8e0c$cl0$1_at_bob.news.rcn.net...
>> I am trying to calculate the client connection memory using pmap. The
 total
>> is 31272K bytes. I guess I need to deduct the shared memory (line 4,
>> 12747K). Does it man this client is using 18465K (31272K-12744K) memory?
>> That is a lot of memory for one client. How about line 1 and 2(16264K and
>> 128K)? Are they considered shared memory also?
><snip>
>
>
Received on Thu Jun 14 2001 - 07:32:26 CDT