新人做外贸哪个平台好做优化网站排名怎么制作
Performance Hub 是 Oracle Enterprise Manager Database Express （EM Express） 中的一项功能，可提供给定时间范围内所有性能数据的新整合视图。用户可以使用 Database Express 页面顶部的时间选择器选择时间范围，详细信息选项卡将显示所选时间范围的可用性能数据。无需登录 Database Express 即可生成此 EM Express 页面，作为名为 Performance Hub Report 的活动数据库报告。
DBA 可以生成和检查活动的实时性能中心报告，该报告将包含有关数据库的整体 IO、CPU 和内存使用情况的摘要信息，并使用 HTML 界面提供清晰的图片。
生成报告
SQL> @?/rdbms/admin/perfhubrpt.sql
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~ PERFHUB ACTIVE REPORT ~
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~ This script will generate PerfHub active report according to ~
~ users input. The script will prompt users for the ~
~ following information: ~
~ (1) report level: basic, typical or all ~
~ (2) dbid ~
~ (3) instance id ~
~ (4) selected time range ~
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Specify the report level
~~~~~~~~~~~~~~~~~~~~~~~~
* Please enter basic, typical or all
* Report level "basic" - include tab contents but no further details
* Report level "typical" - include tab contents with details for top
* SQL statements
* Report level "all" - include tab contents with details for all SQL
* statementsPlease enter report level [typical]: allUsing all for report levelAvailable Databases and Instances.
The database with * is current database
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~DB Id DB Name AWR Data Source Type
------------ ------------ ------------------------ ------------------------
* 3154578979 NEWPAY NEWPAY NON_CDBSpecify the database ID
~~~~~~~~~~~~~~~~~~~~~~~
Please enter database ID [3154578979]: Using 3154578979 for database IDGenerating report for selected data source. Please press EnterSpecify the Instance Number
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Single Instance Database. Please press EnterDefault Start Time Default End Time Oldest Available Snapshot Time
------------------- ------------------- ------------------------------
03/21/2025 10:53:25 03/21/2025 10:58:25 03/07/2025 08:30:59Specify selected time range
~~~~~~~~~~~~~~~~~~~~~~~~~~~
* If the selected time range is in the past hour, report data will be
* retrieved from V$ views.
* If the selected time range is over 1 hour ago, report data
* will be retrieved from AWR.
* If the dbid selected is not for the current database, only AWR data
* is available.
*
* Valid input formats:
* To specify absolute time:
* [mm/dd[/yyyy]] hh24:mi[:ss]
* Examples: 02/23/14 14:30:15
* 02/23 14:30:15
* 14:30:15
* 14:30
* To specify relative time: (start with '-' sign)
* -[hh24:]mi
* Examples: -1:15 (SYSDATE - 1 Hr 15 Mins)
* -25 (SYSDATE - 25 Mins)Please enter start time [03/21/2025 10:53:25]: 10:00Please enter end time [03/21/2025 10:58:25]: 11:00Generating report for 03/21/2025 10:00:00 - 03/21/2025 10:58:25Specify the Report Name
~~~~~~~~~~~~~~~~~~~~~~~
Please enter report name [perfhub_rt_03211058.html]: Generating report perfhub_rt_03211058.html ...Report written to perfhub_rt_03211058.htmlSQL> exit视图展示
又四个选项卡，ASH分析、SQL监视、ADDM、工作负载
ASH分析中存在更多视图
