Objectives
- Install perfastat schema
- perfstat->performance statistics
- captrure snapshots
- Report
- Configure parameters
- Maintenance
<<参考文档:$ORACLE_HOME/rdbms/admin/spdoc.txt>>
Install perfstat schema
- Prepair tablespace
- 不能放在system、undo、user、temporatory tablespace里面
- Execute spcreate.sql
create tablespace perfstat
SQL> create tablespace perfstat datafile '/u01/oradata/md/perfstat01.dbf' size 200m autoextend off; Tablespace created.
Check Error
[oracle@DG1 admin]$ cat spcpkg.lis Creating Package STATSPACK... Package created. No errors. Creating Package Body STATSPACK... Package body created. No errors. NOTE: SPCPKG complete. Please check spcpkg.lis for any errors.
Capture snapshot
- Manual snap
- Automatic snap
- Dbms_job
- Operating system command
Manual snap
SQL> conn perfstat/perfstat Connected.
SQL> execute statspack.snap; PL/SQL procedure successfully completed.
SQL> select * from stats$statspack_parameter; DBID INSTANCE_NUMBER SESSION_ID SNAP_LEVEL NUM_SQL EXECUTIONS_TH PARSE_CALLS_TH DISK_READS_TH BUFFER_GETS_TH SHARABLE_MEM_TH VERSION_COUNT_TH PIN_STATSP ALL_I LAST_MODI UCOMMENT JOB SEG_PHY_READS_TH SEG_LOG_READS_TH SEG_BUFF_BUSY_TH SEG_ROWLOCK_W_TH SEG_ITL_WAITS_TH SEG_CR_BKS_RC_TH SEG_CU_BKS_RC_TH OLD_SQL_CA ---------- --------------- ---------- ---------- ---------- ------------- -------------- ------------- -------------- --------------- ---------------- ---------- ----- --------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------- ---------- ---------------- ---------------- ---------------- ---------------- ---------------- ---------------- ---------------- ---------- 3718810889 1 0 5 50 100 1000 1000 10000 1048576 20 TRUE FALSE 28-APR-13 1000 10000 100 100 100 1000 1000 FALSE 1 row selected.
Automatic snap
下面自动执行脚本来源于:$ORACLE_HOME/rdbms/admin/spauto.sql
创建自动执行脚本
variable jobno number; variable instno number; begin select instance_number into :instno from v$instance; dbms_job.submit(:jobno, 'statspack.snap;', trunc(sysdate+1/24,'HH'), 'trunc(SYSDATE+1/24,''HH'')', TRUE, :instno); commit; end; /
user_jobs
SQL> desc user_jobs; Name Null? Type ----------------------------------------- -------- ---------------------------- JOB NOT NULL NUMBER LOG_USER NOT NULL VARCHAR2(30) PRIV_USER NOT NULL VARCHAR2(30) SCHEMA_USER NOT NULL VARCHAR2(30) LAST_DATE DATE LAST_SEC VARCHAR2(8) THIS_DATE DATE THIS_SEC VARCHAR2(8) NEXT_DATE NOT NULL DATE NEXT_SEC VARCHAR2(8) TOTAL_TIME NUMBER BROKEN VARCHAR2(1) INTERVAL NOT NULL VARCHAR2(200) FAILURES NUMBER WHAT VARCHAR2(4000) NLS_ENV VARCHAR2(4000) MISC_ENV RAW(32) INSTANCE NUMBER SQL> select job,log_user,priv_user from user_jobs; JOB LOG_USER PRIV_USER ---------- ------------------------------ ------------------------------ 3 PERFSTAT PERFSTAT
USER_JOBS
SQL> select job,log_user,priv_user,to_char(next_date,'YYYY-MM-DD HH24:MI:SS') from user_jobs; JOB LOG_USER PRIV_USER TO_CHAR(NEXT_DATE,' ---------- ------------------------------ ------------------------------ ------------------- 3 PERFSTAT PERFSTAT 2013-04-28 15:00:00
SQL> define DEFINE _DATE = "28-APR-13" (CHAR) DEFINE _CONNECT_IDENTIFIER = "poli" (CHAR) DEFINE _USER = "PERFSTAT" (CHAR) DEFINE _PRIVILEGE = "" (CHAR) DEFINE _SQLPLUS_RELEASE = "1102000100" (CHAR) DEFINE _EDITOR = "ed" (CHAR) DEFINE _O_VERSION = "Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options" (CHAR) DEFINE _O_RELEASE = "1102000100" (CHAR)
查看statspack default level
SQL> desc stats$statspack_parameter; Name Null? Type ----------------------------------------- -------- ---------------------------- DBID NOT NULL NUMBER INSTANCE_NUMBER NOT NULL NUMBER SESSION_ID NOT NULL NUMBER SNAP_LEVEL NOT NULL NUMBER NUM_SQL NOT NULL NUMBER EXECUTIONS_TH NOT NULL NUMBER PARSE_CALLS_TH NOT NULL NUMBER DISK_READS_TH NOT NULL NUMBER BUFFER_GETS_TH NOT NULL NUMBER SHARABLE_MEM_TH NOT NULL NUMBER VERSION_COUNT_TH NOT NULL NUMBER PIN_STATSPACK NOT NULL VARCHAR2(10) ALL_INIT NOT NULL VARCHAR2(5) LAST_MODIFIED DATE UCOMMENT VARCHAR2(160) JOB NUMBER SEG_PHY_READS_TH NOT NULL NUMBER SEG_LOG_READS_TH NOT NULL NUMBER SEG_BUFF_BUSY_TH NOT NULL NUMBER SEG_ROWLOCK_W_TH NOT NULL NUMBER SEG_ITL_WAITS_TH NOT NULL NUMBER SEG_CR_BKS_RC_TH NOT NULL NUMBER SEG_CU_BKS_RC_TH NOT NULL NUMBER OLD_SQL_CAPTURE_MTH NOT NULL VARCHAR2(10) SQL> select dbid,snap_level from stats$statspack_parameter; DBID SNAP_LEVEL ---------- ---------- 3718810889 5
修改采集级别为7，并使参数立即生效.
SQL> execute statspack.snap(i_snap_level=>7,i_modify_parameter=>'true'); PL/SQL procedure successfully completed. SQL> select dbid,snap_level from stats$statspack_parameter; DBID SNAP_LEVEL ---------- ---------- 3718810889 7
修改采集级别为6，并使参数立即生效.
SQL> execute statspack.modify_statspack_parameter(i_snap_level=>6); PL/SQL procedure successfully completed. SQL> select dbid,snap_level from stats$statspack_parameter; DBID SNAP_LEVEL ---------- ---------- 3718810889 6
删除一个已经存在的job
SQL> select job,log_user,priv_user,to_char(next_date,'YYYY-MM-DD HH24:MI:SS') from user_jobs; JOB LOG_USER PRIV_USER TO_CHAR(NEXT_DATE,' ---------- ------------------------------ ------------------------------ ------------------- 3 PERFSTAT PERFSTAT 2013-04-29 01:00:00 SQL> execute dbms_job.remove(3); PL/SQL procedure successfully completed. SQL> select job,log_user,priv_user,to_char(next_date,'YYYY-MM-DD HH24:MI:SS') from user_jobs; no rows selected
maintenance
- Make_baseline & clear_baseline
- Purge snapshot except baseline
- Purge只会把没有标记为base_line的snapshot给清除掉
- Truncate all tables with perfstat schema
- Drop perfstat schema
- Manual statistics perfstat`s objects
- Export perfstat schema
>>make base_line
view snap_id from stats$snapshot;
SQL> select snap_id from stats$snapshot; SNAP_ID ---------- 1 2 3 4 5 6 11 12 13 21 22 SNAP_ID ---------- 31 32 33 14 rows selected.
生成snap_id 为11至13的baseline
exec statspack.make_baseline(i_begin_snap=>11,i_end_snap=>13);
purge snap_id between 11 and 32 without mark baseline;
SQL> execute statspack.purge(i_begin_snap=>11,i_end_snap=>32); PL/SQL procedure successfully completed.
view snap_id again
SQL> select snap_id from stats$snapshot; SNAP_ID ---------- 1 2 3 4 5 6 11 12 13 33 10 rows selected.
>>Purge snapshots
- 方法一:(begin snap_id & end snap_id )
- 方法二:(begin date & end date)
- 方法三:(before date)
- 方法四:(remain days)
- 方法五:(sppurge.sql)
>>导出数据
expperfstat.par文件内容
expperfstat.par
file=perfstat.dmp log=perfstat.log compress=y grants=y indexes=y rows=y constraints=y owner=perfstat consistent=y
exp userid=perfstat/perfstat parfile=expperfstat.par
Truncate table
SQL> @sptrunc.sql Warning ~~~~~~~ Running sptrunc.sql removes ALL data from Statspack tables. You may wish to export the data before continuing. About to Truncate Statspack Tables ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ If would like to exit WITHOUT truncating the tables, enter any text at the begin_or_exit prompt (e.g. 'exit'), otherwise if you would like to begin the truncate operation, press <return> Enter value for begin_or_exit: Entered at the 'begin_or_exit' prompt ... Starting truncate operation Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. Table truncated. 10 rows deleted. 2 rows deleted. Commit complete. Package altered. ... Truncate operation complete
>>Drop perfstat schema
使用脚本:spdrop.sql
spdrop.sql script contents
[oracle@DG1 admin]$ vi spdrop.sql Rem Rem $Header: spdrop.sql 03-may-00.15:57:17 cdialeri Exp $ Rem Rem spdrop.sql Rem Rem Copyright (c) Oracle Corporation 1999, 2000. All Rights Reserved. Rem Rem NAME Rem spdrop.sql Rem Rem DESCRIPTION Rem SQL*PLUS command file drop user, tables and package for Rem performance diagnostic tool STATSPACK Rem Rem NOTES Rem Note the script connects INTERNAL and so must be run from Rem an account which is able to connect internal. Rem Rem MODIFIED (MM/DD/YY) Rem cdialeri 05/03/00 - 1261813 Rem cdialeri 02/16/00 - 1191805 Rem cdialeri 08/13/99 - Drops entire STATSPACK environment Rem cdialeri 08/13/99 - Created Rem -- -- Drop PERFSTAT's tables and indexes @@spdtab -- -- Drop PERFSTAT user @@spdusr
Create perfstat schema
使用脚本:spcusr.sql($ORACLE_HOME/rdbms/admin/spcusr.sql)
>>Manual statistics perfstat`s objects
execute dbms_stats.gather_schema_stats(ownname=>'PERFSTAT',cascade=>true);
other
- Upgrade statspack version
升级statspack用到脚本
[oracle@DG1 admin]$ ls -l spu* -rw-r--r-- 1 oracle oinstall 588 3月 15 2000 spuexp.par -rw-r--r-- 1 oracle oinstall 20341 6月 28 2007 spup102.sql -rw-r--r-- 1 oracle oinstall 23049 5月 31 2005 spup10.sql -rw-r--r-- 1 oracle oinstall 30938 3月 23 2004 spup816.sql -rw-r--r-- 1 oracle oinstall 23615 3月 23 2004 spup817.sql -rw-r--r-- 1 oracle oinstall 19412 3月 23 2004 spup90.sql -rw-r--r-- 1 oracle oinstall 41707 3月 23 2004 spup92.sql