02-24-2004
Difference in Mem usage ?
Hi All,
I have a pair of sun ultra 5_10 with SunOS 5.5.1.
Both are almost equally patched and set up with simillar applications.
host# uname -a
SunOS host 5.5.1 Generic_103640-24 sun4u sparc SUNW,Ultra-5_10
Even though both have
same amount of RAM ( 512 Mb ) ,
Swap,
and same set of processes running,
they show different values of free memory in "top". They difference is close to 50 Mb.
I had a look at few processes and compared the rss output in ps, they differ!.
Can anyone tell me why is this ?..
Eg:
host1# ps -ef -orss,vsz,comm | grep init
288 448 /etc/init
1136 1880 /usr/openwin/bin/xinit
host2# ps -ef -orss,vsz,comm | grep init
136 448 /etc/init
1120 1880 /usr/openwin/bin/xinit
The host2 is showing 50~60 Mb as free, where as host1 has only 10~15Mb free.
Thanks in advance..
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ypset(1M) System Administration Commands ypset(1M)
NAME
ypset - point ypbind at a particular server
SYNOPSIS
/usr/sbin/ypset [-d ypdomain] [-h host] server
DESCRIPTION
In order to run ypset, ypbind must be initiated with the -ypset or -ypsetme options. See ypbind(1M). ypset tells ypbind to get NIS services
for the specified ypdomain from the ypserv process running on server. If server is down, or is not running ypserv, this might not be dis-
covered until an NIS client process tries to obtain a binding for the domain. At this point, the binding set by ypset is tested by ypbind.
If the binding is invalid, ypbind attempts to rebind for the same domain.
ypset is useful for binding a client node that is not on a broadcast net, or is on a broadcast net that is not running an NIS server host.
It is also useful for debugging NIS client applications, for instance, where an NIS map exists only at a single NIS server host.
Where several hosts on the local net are supplying NIS services, ypbind can rebind to another host, even while you attempt to find out if
the ypset operation succeeded. For example, if you enter the ypset command below, you might get the subsequent response from ypwhich:
example% ypset host1
example% ypwhich
host2
The sequence shown above is a function of the NIS subsystem's attempt to load-balance among the available NIS servers, and occurs when
host1 does not respond to ypbind because it is not running ypserv (or is overloaded), and host2, running ypserv, obtains the binding.
server indicates which NIS server to bind to, and must be specified as a name or an IP address. This works only if the node has a current
valid binding for the domain in question and ypbind has been set to allow use of ypset. In most cases, server should be specified as an IP
address.
ypset tries to bind over a connectionless transport. The NIS library call, yp_all(), uses connection-oriented transport and derives the
NIS server's address based on the connectionless address supplied by ypset.
Refer to ypfiles(4) for an overview of the NIS name service.
OPTIONS
-d ypdomain Use ypdomain, instead of the default domain.
-h host Set ypbind's binding on host, instead of locally. Specify host as a name.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWnisu |
+-----------------------------+-----------------------------+
SEE ALSO
ypwhich(1), ypfiles(4), attributes(5)
SunOS 5.10 14 Sep 1992 ypset(1M)