How to check the memory usage at a point in time, for unix system?

From: Jeffrey Yee <jeffyee_at_hotmail.com>
Date: 4 Aug 2003 03:16:24 -0700
Message-ID: <ec4cec95.0308040216.7022e36a@posting.google.com>

Hi,

I have a RP5470 server, with 2G of memory, 4 CPUs, running on HP-UX B.11.11 (11i) os. I have intention to follow the rule of thumb of allocating 55% of the memory for the only Oracle instance.

Unfortunately, after allocating 210M of memory to SGA (SGA_MAX_SIZE), the PerfView (HP resource & performance management product) says that the GLB_MEM_UTIL (% of physical memory in use) is 100%. I don't quite believe what I see. Is there a way that I can confirm this, by running some UNIX command? I'm looking for information similar to windows 2000 Server Task Manager/Performance tab, giving the total memory usage and the total physical memory.

Please please help, as my database buffer cache hit ratio is only about 30%. Thank you in advance.

Best Regards,
Jeffrey Received on Mon Aug 04 2003 - 05:16:24 CDT