oracle占用系统资源很高sqlplus无响应(2)

OUI version       : 10.2.0.1.0
OUI location      : /u01/app/oracle/product/10.2.0/db_1/oui
Log file location : /u01/app/oracle/product/10.2.0/db_1/cfgtoollogs/opatch/opatch-2009_Jan_13_11-06-27-HKT_Tue.log

Lsinventory Output file location : /u01/app/oracle/product/10.2.0/db_1/cfgtoollogs/opatch/lsinv/lsinventory-2009_Jan_13_11-06-27-HKT_Tue.txt

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Installed Top-level Products (2): 

Oracle Database 10g                                                  10.2.0.1.0
Oracle Database 10g Products                                         10.2.0.1.0
There are 2 products installed in this Oracle Home.


Interim patches (1) :

Patch 4612267      : applied on Tue Jan 13 11:05:10 HKT 2009
   Created on 5 Oct 2005, 13:48:00 hrs US/Pacific
   Bugs fixed:
     4612267


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OPatch succeeded.

启动数据库、监听和dbconsole

$ sqlplus / as sysdba
SQL> startup
$ lsnrctl start
$ emctl start dbconsole

如果有需要，还可以删除patch，删除前先停库

$ cd $ORACLE_BASE/patches/4612267
$ $ORACLE_HOME/OPatch/opatch rollback -id 4612267
Invoking OPatch 10.2.0.1.0
...
Please shutdown Oracle instances running out of this ORACLE_HOME on the local system.
(Oracle Home = '/u01/app/oracle/product/10.2.0/db_1')

Is the local system ready for patching?

Do you want to proceed? [y|n]
y    (此处输入y)
User Responded with: Y
...
RollbackSession removing interim patch '4612267' from inventory

The local system has been patched and can be restarted.

OPatch succeeded.

此时再执行上面的验证patch命令就会发现该patch已经删除了。

注：

Running STRACE tool shows:

$ strace /oracle/home/bin/sqlplus -V 2>&1 |less
......
old_mmap(NULL, 385024, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x41794000
gettimeofday({1122996561, 411035}, NULL) = 0
access("/usr/local/UD/conf/sqlnet.ora", F_OK) = -1 ENOENT (No such file or directory)