on 07-02-2007 9:34 AM
Hi All,
If my system memory utilization hovers around 96%-99% (from Glance), is that normal? If it's not, how can I fine tune it? Currently using HP-UX B.11.23, Oracle 10.2.
Many Thanks!
It´s very difficult to tell if it´s "normal" since we don´t know, what you are runinng (R/3? ERP?), how many users, how your database is configured, if the sizing is correct, how big your buffers are configured...
Usually the operating system uses "unused" memory as filesystem cache so from this point of view it´s "normal" to see an almost full used memory.
--
Markus
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Hi Markus,
We are using ECC 6.0 with 8GB memory, concurrent users around 30-50 users. Data buffer and shared pool size is at 835,584 kb respectively. So base on your experience, you think it is normal for it to hovers around 96%-99%? It will reach to 100% utilization at time whereby it start paging out.
Thanks for sharing.
Not "exactly" the same configuration - but I just checked some other systems, they all "use" almost 100 % memory although "use" is not correct because many of them use it as filesystem cache, internal operating system buffers etc.
Just having a 98 % memory usage is not something to be afraid of, if 98 % of the memory was used by SAP or the database, THAT would be something to take care about.
--
Markus
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