结合AWR报告生成HTML格式的SQL执行计划

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有些时候,我们需要分析占用资源比较大的sql的执行计划,也需要将sql的执行计划以报告的形式反馈给客户,由于AWR报告里的SQL通常都是些变量,因此以命令行方式生成sql的执行计划就很麻烦,而且也不美观,利用awrsqrpt.sql脚本就很方便。

生成HTML的执行计划很简单,如果是生成本地数据库的sql执行计划,执行awrsqrpt.sql就可以,但是如果需要生成由AWR迁移到本地数据库的分析数据,就需要使用awrsqrpi.sql。

SQL> @?/rdbms/admin/awrsqrpi

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’

输入 report_type 的值:

html

Type Specified:  html


Instances in this Workload Repository schema

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

DB Id     Inst Num DB Name      Instance     Host

———— ——– ———— ———— ————

* 1520519778        1 STREAM       stream       STREAM

2400249746        1 CNDERPDB     cnderpdb1    p5a1

2400249746        2 CNDERPDB     cnderpdb2    p5b1

输入 dbid 的值:

2400249746       –输入要生成执行计划的数据库ID


Using 2400249746 for database Id

输入 inst_num 的值:

1                 –输入节点号


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.


输入 num_days 的值:

7

Listing the last 7 days of Completed Snapshots

Snap

Instance     DB Name        Snap Id    Snap Started    Level

———— ———— ——— —————— —–

cnderpdb1    CNDERPDB         50063 16 6月  2011 08:00     1

50064 16 6月  2011 09:00     1

50065 16 6月  2011 10:00     1

50066 16 6月  2011 11:00     1

50067 16 6月  2011 12:00     1

… …

50206 22 6月  2011 07:00     1

50207 22 6月  2011 08:00     1

50208 22 6月  2011 09:00     1

50209 22 6月  2011 10:00     1

Specify the Begin and End Snapshot Ids

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

输入 begin_snap 的值:

50063               –输入开始快照号


Begin Snapshot Id specified: 50063

输入 end_snap 的值:

50209                  –输入结束快照号


End   Snapshot Id specified: 50209


Specify the SQL Id

~~~~~~~~~~~~~~~~~~

输入 sql_id 的值:

8hm5s0k011450      –在AWR报告中看到的占用资源较大的SQL ID


SQL ID specified:  8hm5s0k011450

Specify the Report Name

~~~~~~~~~~~~~~~~~~~~~~~

The default report file name is awrsqlrpt_1_50063_50209.html.  To use this name,

press <return> to continue, otherwise enter an alternative.

输入 report_name 的值:

d:\stream.html   –保存路径和名字

Using the report name d:\stream.html

Report written to d:\stream.html

SQL>

之后打开D盘下的stream.html就可以很直观的看到SQL_ID为8hm5s0k011450的执行计划

Stat Name Statement Total Per Execution % Snap Total
Elapsed Time (ms) 18,121,198 4.89 3.20
CPU Time (ms) 17,874,450 4.82 3.33
Executions 3,707,839
Buffer Gets 404,447,392 109.08 3.85
Disk Reads 0 0.00 0.00
Parse Calls 6 0.00 0.00
Rows 9,831,284 2.65
User I/O Wait Time (ms) 0
Cluster Wait Time (ms) 0
Application Wait Time (ms) 0
Concurrency Wait Time (ms) 0
Invalidations 0
Version Count 38
Sharable Mem(KB) 713

Id Operation Name Rows Bytes Cost (%CPU) Time
0 SELECT STATEMENT 3 (100)
1 FOR UPDATE
2 SORT ORDER BY 1 32 3 (34) 00:00:01
3 TABLE ACCESS FULL TEMPSK 1 32 2 (0) 00:00:01