08-11-2017
What Bakunin is politely telling you -
Depending on the oracle version and what the db is configured to do, there are oracle configuration files and tables. You as root cannot easily get into each instance and see what is going on. You pretty much have to know how the db was set up beforehand.
Go ask your DBA's what they have done for each database. Unless you want to spend two days wading knee deep through a wall of oracle documentation. And your interpretation of the "80%" thing probably is wrong, IMO (see last line)
Why? Because it all depends on whether sqlplus is running on the Solaris box itself for each user process, which it may look like to you, but whether the user's desktop or an application server is involved.
FWIW your pmon output ( I did not count) shows six(?) databases - anyway way more than three instances. You've got problems beyond what you are aware of, IMO.
Last edited by jim mcnamara; 08-11-2017 at 09:13 AM..
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LEARN ABOUT FREEBSD
pwd_mkdb
PWD_MKDB(8) BSD System Manager's Manual PWD_MKDB(8)
NAME
pwd_mkdb -- generate the password databases
SYNOPSIS
pwd_mkdb [-BCiLNp] [-d directory] [-s cachesize] [-u username] file
DESCRIPTION
The pwd_mkdb utility creates db(3) style secure and insecure databases for the specified file. These databases are then installed into
/etc/spwd.db and /etc/pwd.db respectively. The file is installed into /etc/master.passwd. The file must be in the correct format (see
passwd(5)). It is important to note that the format used in this system is different from the historic Version 7 style format.
The options are as follows:
-B Store data in big-endian format.
-C Check if the password file is in the correct format. Do not change, add, or remove any files.
-L Store data in little-endian format.
-N Tell pwd_mkdb to exit with an error if it cannot obtain a lock on the file. By default, we block waiting for a lock on the source
file. The lock is held through the rebuilding of the database.
-p Create a Version 7 style password file and install it into /etc/passwd.
-i Ignore locking failure of the master.passwd file. This option is intended to be used to build password files in the release process
over NFS where no contention can happen. A non-default directory must also be specified with the -d option for locking to be ignored.
Other use of this option is strongly discouraged.
-d directory
Store databases into specified destination directory instead of /etc.
-u username
Only update the record for the specified user. Utilities that operate on a single user can use this option to avoid the overhead of
rebuilding the entire database.
-s cachesize
Specify in megabytes the size of the memory cache used by the hashing library. On systems with a large user base, a small cache size
can lead to prohibitively long database file rebuild times. As a rough guide, the memory usage of pwd_mkdb in megabytes will be a lit-
tle bit more than twice the figure specified here. The default is 2 megabytes.
The two databases differ in that the secure version contains the user's encrypted password and the insecure version has an asterisk (``*'')
The databases are used by the C library password routines (see getpwent(3)).
The pwd_mkdb utility exits zero on success, non-zero on failure.
ENVIRONMENT
If the PW_SCAN_BIG_IDS environment variable is set, pwd_mkdb will suppress the warning messages that are normally generated for large user
and group IDs. Such IDs can cause serious problems with software that makes assumptions about the values of IDs.
FILES
/etc/pwd.db The insecure password database file.
/etc/pwd.db.tmp A temporary file.
/etc/spwd.db The secure password database file.
/etc/spwd.db.tmp A temporary file.
/etc/master.passwd The current password file.
/etc/passwd A Version 7 format password file.
EXAMPLES
Regenerate the password database after manually editing or replacing the password file:
/usr/sbin/pwd_mkdb -p /etc/master.passwd
COMPATIBILITY
Previous versions of the system had a program similar to pwd_mkdb, mkpasswd(8), which built dbm(3) style databases for the password file but
depended on the calling programs to install them. The program was renamed in order that previous users of the program not be surprised by
the changes in functionality.
SEE ALSO
chpass(1), passwd(1), db(3), getpwent(3), passwd(5), vipw(8)
BUGS
Because of the necessity for atomic update of the password files, pwd_mkdb uses rename(2) to install them. This, however, requires that the
file specified on the command line live on the same file system as the /etc directory.
There are the obvious races with multiple people running pwd_mkdb on different password files at the same time. The front-ends to pwd_mkdb,
chpass(1), passwd(1) and vipw(8), handle the locking necessary to avoid this problem.
BSD
February 5, 2014 BSD