sqlplus c/[email protected]_test
set autot trace explain
關掉資料查詢輸出,只生成執行計劃

[[email protected] ~]$ export ORACLE_SID=crm0
[[email protected] ~]$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.4.0 - Production on Thu Jan 20 15:02:32 2011

Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options

SQL> @?/rdbms/admin/awrrpt.sql

Current Instance
~~~~~~~~~~~~~~~~

   DB Id    DB Name      Inst Num Instance
----------- ------------ -------- ------------
 1676038346 CRM0               1 crm0

Specify the Report Type
~~~~~~~~~~~~~~~~~~~~~~~
Would you like an HTML report, or a plain text report?
Enter 'html' for an HTML report, or 'text' for plain text
Defaults to 'html'
Enter value for report_type:

Type Specified:  html

Instances in this Workload Repository schema
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

   DB Id     Inst Num DB Name      Instance     Host
------------ -------- ------------ ------------ ------------
* 1676038346        1 CRM0        crm0        dev160

Using 1676038346 for database Id
Using          1 for instance number

Specify the number of days of snapshots to choose from
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Entering the number of days (n) will result in the most recent
(n) days of snapshots being listed.  Pressing <return> without
specifying a number lists all completed snapshots.

Enter value for num_days: 1

Listing the last day's Completed Snapshots

                                                        Snap
Instance     DB Name        Snap Id    Snap Started    Level
------------ ------------ --------- ------------------ -----
crm0        CRM0              530 20 Jan 2011 00:00      1
                                531 20 Jan 2011 01:00      1
                                532 20 Jan 2011 02:00      1
                                533 20 Jan 2011 03:00      1
                                534 20 Jan 2011 04:00      1
                                535 20 Jan 2011 05:00      1
                                536 20 Jan 2011 06:00      1
                                537 20 Jan 2011 07:00      1
                                538 20 Jan 2011 08:00      1
                                539 20 Jan 2011 09:00      1
                                540 20 Jan 2011 10:00      1
                                541 20 Jan 2011 10:42      1
                                542 20 Jan 2011 10:50      1
                                543 20 Jan 2011 11:00      1
                                544 20 Jan 2011 11:10      1
                                545 20 Jan 2011 11:20      1
                                546 20 Jan 2011 11:30      1
                                547 20 Jan 2011 11:40      1
                                548 20 Jan 2011 11:50      1
                                549 20 Jan 2011 12:00      1
                                550 20 Jan 2011 12:10      1
                                551 20 Jan 2011 12:20      1
                                552 20 Jan 2011 12:30      1
                                553 20 Jan 2011 12:40      1
                                554 20 Jan 2011 12:50      1
                                555 20 Jan 2011 13:00      1
                                556 20 Jan 2011 13:10      1
                                557 20 Jan 2011 13:20      1
                                558 20 Jan 2011 13:30      1
                                559 20 Jan 2011 13:40      1
                                560 20 Jan 2011 13:50      1
                                561 20 Jan 2011 14:00      1
                                562 20 Jan 2011 14:10      1
                                563 20 Jan 2011 14:20      1
                                564 20 Jan 2011 14:30      1
                                565 20 Jan 2011 14:40      1
                                566 20 Jan 2011 14:50      1
                                567 20 Jan 2011 15:01      1

Specify the Begin and End Snapshot Ids
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Enter value for begin_snap: 563
Begin Snapshot Id specified: 563

Enter value for end_snap: 567
End   Snapshot Id specified: 567

Specify the Report Name
~~~~~~~~~~~~~~~~~~~~~~~
The default report file name is awrrpt_1_563_567.html.  To use this name,
press <return> to continue, otherwise enter an alternative.

Enter value for report_name:

如何看報告：
Top 5 Timed Events

free buffer waits  快取獲取等待長，沒有記憶體可用了。

Addm 效能建議報告（直接對目標時間段內影響資料庫的事件進行修改建議）

SQL> @?/rdbms/admin/addmrpt.sql

 壓力測試準備工作：

 1、每次壓力時，先做為資料庫表統計分析；
exec dbms_stats.gather_table_stats(ownname => 'crm551',tabname => 'CUST_0',estimate_percent => 10,method_opt=> 'for all indexed columns');
2.配置Jmx監控埠

export USER_MEM_ARGS="-server -Xms1536m -Xmx1536m -XX:MaxPermSize=256m -XX:GCTimeRatio 
-XX:UseParallelGC -XX:UseParallelOldGC -XX:ParallelGCThreads=4 
-XX:+UseAdaptiveSizePolicy -Dcom.tydic.crm.server.tcp.port=4000 
-Dcom.sun.management.jmxremote.port=6050 
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote -Djava.rmi.server.hostname=192.168.1.15"