Re: memory usage
Date: Thu, 1 Mar 2012 10:39:13 -0800 (PST)
Message-ID: <9c3ae165-cb73-431c-831b-fe51e60b9079_at_l14g2000vbe.googlegroups.com>
On Mar 1, 1:13 pm, "Gerard H. Pille" <g..._at_skynet.be> wrote:
> rvaede wrote:
> > I have a server Redhat 4 and running Oracle 11 thats slow and
> > consumming a lot of memory and its constant.
> > Server has 16 GB of RAM.
> > I am a linux administrator so I am not familiar with the Oracle config
> > files.
> > I also noticed that the cached is consumming about 9 GB.
> > Would you have any advise on how to tackle this.
>
> As was said before, using all your memory is no problem. Using more than wat you have may be, if
> the system starts swapping. Check pi an po columns in vmstat (or would that be si/so?).
>
> But you say the system is slow, response is slow. Response to which question?
This is what the vmstat is displaying: the bi and so are 0. What
about the cache is over 10GB.
Its oracle OHS using Apache, the portal thats being displayed is
webcenter. Its very low.
[root_at_t300face01 Scripts]# vmstat 1 20
procs -----------memory---------- ---swap-- -----io---- --system--
-----cpu------
r b swpd free buff cache si so bi bo in cs us
sy id wa st
0 0 116 242956 212556 10038968 0 0 117 24 3 2
8 1 91 0 0
0 0 116 242956 212556 10038984 0 0 0 0 1008 5283
3 0 97 0 0
0 0 116 242956 212556 10038984 0 0 0 12 1006 4998
0 1 99 0 0
1 0 116 242956 212560 10038980 0 0 0 64 1011 5042
6 0 94 0 0
0 0 116 242956 212560 10038984 0 0 0 0 1013 4985
11 0 89 0 0
0 0 116 242956 212560 10038984 0 0 0 0 1004 5192
0 0 100 0 0
0 0 116 242956 212560 10038984 0 0 0 0 1003 4872
4 0 96 0 0
0 0 116 242956 212560 10038984 0 0 0 0 1022 5054
0 0 99 0 0
2 0 116 242956 212568 10038980 0 0 0 40 1005 5247
6 0 94 0 0
0 0 116 242956 212568 10038980 0 0 0 0 1012 5086
11 1 88 0 0
0 0 116 242956 212568 10038988 0 0 0 0 1007 5346
0 0 100 0 0
0 0 116 242956 212568 10038988 0 0 0 0 1018 5269
4 0 96 0 0
0 0 116 242956 212568 10038988 0 0 0 4 1008 5301
0 0 99 0 0
2 0 116 242956 212572 10038984 0 0 0 16 1010 5198
7 0 94 0 0
0 0 116 242956 212572 10038988 0 0 0 0 1009 4986
10 0 90 0 0
1 0 116 242956 212572 10038988 0 0 0 0 1009 5170
0 0 100 0 0
There is a portal Received on Thu Mar 01 2012 - 12:39:13 CST