服务器 频道

生成分析报告,移除定时任务,删除历史数据

  【IT168 服务器学院】生成分析报告
  
调用@/home/orapaid/product/92/rdbms/admin/spreport生成

  此过程中要输入开始快照  和 终止快照 编号

  移除定时任务
  SQL>execute   dbms_job.remove(''job_id'');

  删除历史数据

  删除stats$snapshot表中数据  ,其他表中的数据会相应的级连删除

  oracle提供了用于 truncate  这些统计信息表的  脚本

  [orapaid@bj37 admin]$ cat sptrunc.sql
  Rem
  Rem $Header: sptrunc.sql 19-feb-2002.11:36:28 vbarrier Exp $
  Rem
  Rem sptrunc.sql
  Rem
  Rem Copyright (c) 2000, 2002, Oracle Corporation.  All rights reserved. 
  Rem
  Rem    NAME
  Rem      sptrunc.sql - STATSPACK - Truncate tables
  Rem
  Rem    DESCRIPTION
  Rem      Truncates data in Statspack tables
  Rem
  Rem    NOTES
  Rem      Should be run as STATSPACK user, PERFSTAT.
  Rem
  Rem      The following tables should NOT be truncated
  Rem        STATS$LEVEL_DESCRIPTION
  Rem        STATS$IDLE_EVENT
  Rem        STATS$STATSPACK_PARAMETER
  Rem
  Rem    MODIFIED   (MM/DD/YY)
  Rem    vbarrier    03/05/02 - Segment Statistics
  Rem    cdialeri    04/13/01 - 9.0
  Rem    cdialeri    09/12/00 - sp_1404195
  Rem    cdialeri    04/11/00 - 1261813
  Rem    cdialeri    03/15/00 - Created
  Rem

  undefine anystring
  set showmode off echo off;
  whenever sqlerror exit;

  spool sptrunc.lis

  /* ------------------------------------------------------------------------- */

  prompt
  prompt Warning
  prompt ~~~~~~~
  prompt Running sptrunc.sql removes ALL data from Statspack tables.  You may
  prompt wish to export the data before continuing.
  prompt
  prompt
  prompt About to Truncate Statspack Tables
  prompt ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  prompt If you would like to continue, press <return>
  prompt
  prompt
  prompt &return Entered - starting truncate operation

  truncate table STATS$FILESTATXS;
  truncate table STATS$TEMPSTATXS;
  truncate table STATS$LATCH;
  truncate table STATS$LATCH_CHILDREN;
  truncate table STATS$LATCH_MISSES_SUMMARY;
  truncate table STATS$LATCH_PARENT;
  truncate table STATS$LIBRARYCACHE;
  truncate table STATS$BUFFER_POOL_STATISTICS;
  truncate table STATS$ROLLSTAT;
  truncate table STATS$ROWCACHE_SUMMARY;
  truncate table STATS$SGA;
  truncate table STATS$SGASTAT;
  truncate table STATS$SYSSTAT;
  truncate table STATS$SESSTAT;
  truncate table STATS$SYSTEM_EVENT;
  truncate table STATS$SESSION_EVENT;
  truncate table STATS$BG_EVENT_SUMMARY;
  truncate table STATS$WAITSTAT;
  truncate table STATS$ENQUEUE_STAT;
  truncate table STATS$SQL_SUMMARY;
  truncate table STATS$SQL_STATISTICS;
  truncate table STATS$SQLTEXT;
  truncate table STATS$PARAMETER;
  truncate table STATS$RESOURCE_LIMIT;
  truncate table STATS$DLM_MISC;
  truncate table STATS$UNDOSTAT;
  truncate table STATS$SQL_PLAN;
  truncate table STATS$SQL_PLAN_USAGE;
  truncate table STATS$SEG_STAT;
  truncate table STATS$SEG_STAT_OBJ;
  truncate table STATS$DB_CACHE_ADVICE;
  truncate table STATS$PGASTAT;
  truncate table STATS$INSTANCE_RECOVERY;

  delete from STATS$SNAPSHOT;
  delete from STATS$DATABASE_INSTANCE;

  commit;

  Rem This is required to allow further snapshots to work without
  Rem recreating package or restarting the instance
  alter package statspack compile;

  prompt
  prompt Truncate operation complete
  prompt

  
  /* ------------------------------------------------------------------------- */

  spool off;

  whenever sqlerror continue;
  set echo on;
  [orapaid@bj37 admin]$

   

0
相关文章