1 需求
每天定時發送重要的資料庫AWR到DBA郵件中,DBA接收到AWR郵件之後簡單查看資料庫是否有異常等待事情和異常SQL,盡量避免等使用者探索資料庫慢時再去分析相關SQL
2 相關環境
作業系統
本指令碼是放在Red Hat下面運行,其它作業系統上面運行還未測試,因為使用的是dbms_workload_repository產生報表,所以可以分析任何作業系統下面的資料庫,也就是說和資料庫的作業系統沒有關係
資料庫版本
本指令碼可以分析Oracle 10g ,11g任何子版本資料庫
3 指令碼詳細介紹
指令碼存放目錄和檔案
[oracle@svr7-71 awrrpt]$ pwd
/home/oracle/awrrpt
[oracle@svr7-71 awrrpt]$ ls -lrt
-rwxrwx--- 1 oracle oinstall 1968 May 24 11:05 awrrpt.sh
drwxr-xr-x 2 oracle oinstall 4096 May 24 11:09 reports
-rwxrwx--- 1 oracle oinstall 360 May 24 11:52 run.sh
其中awrrpt.sh為產生AWR的指令碼,reports為存放產生後的AWR報告的檔案夾
,run.sh為產生AWR的入口可以配置多個資料庫
[oracle@svr7-71 awrrpt]$ more awrrpt.sh
#!/bin/bash
# $1 startTime
# $2 endTime
# $3 TNS user/passpassword@sid
# creater: eymit.wu
# last modified: 2012-05-23
. ~/.bash_profile
PROJECT_HOME='/home/oracle/awrrpt'
REPORT_HOME='/home/oracle/awrrpt/reports'
TODAY=`date +%Y%m%d`
cd ${PROJECT_HOME}
INSTANCE_NAME=`sqlplus -s "$3" <<EOF
set feed off
set term off
set echo off
set pages 0
set heading off
select instance_name from v\\$instance;
exit;
EOF`
FILE_NAME=`sqlplus -s "$3" <<EOF
set feed off
set term off
set echo off
set pages 0
set heading off
select '${REPORT_HOME}/awrrpt_' || to_char(sysdate, 'yyyymmdd') || '_' ||'$INSTANCE_NAME' || '_' || to_char(min(snap_id)) || '_' ||
to_char(max(snap_id)) ||'.html' file_name
from dba_hist_snapshot t
where t.end_interval_time between trunc(sysdate) + $1 / 24 and
trunc(sysdate) + ($2 + 1) / 24;
exit;
EOF`
echo " instance_name $INSTANCE_NAME"
echo " FILE_NAME $FILE_NAME"
sqlplus "$3" << EOF
column dbid new_value dbid;
select dbid from v\$database;
column instance_number new_value instance_number;
select instance_number instance_number from v\$instance;
column max_id new_value end_snap;
column min_id new_value begin_snap;
select to_char(max(snap_id)) max_id,
to_char(min(snap_id)) min_id
from dba_hist_snapshot t
where t.end_interval_time between trunc(sysdate) + $1 / 24 and
trunc(sysdate) + ($2 + 1) / 24;
set echo off;
set veri off;
set feedback off;
set termout on;
set heading off;
set linesize 1500;
set trimspool on;
spool $FILE_NAME;
select output from table(dbms_workload_repository.AWR_REPORT_HTML(&dbid, &instance_number,&begin_snap, &end_snap,0 ));
spool off;
EOF
echo "Report file name is : "$FILE_NAME
echo "AWR report of $INSTANCE_NAME " | mutt -s "[info]AWR report of $INSTANCE_NAME ${TODAY}" -a "$FILE_NAME" linux@hotmail.com
發送的郵件和主題不要忘記修改,run.sh我們在下面進行介紹
4 使用方法
可以看到調用awrrpt指令碼需要傳三個參數,分別為開始時間,結束時間,串連資料庫的使用者名稱密碼還有tns,下面Run.sh配置了兩個資料9點至11點的AWR報告,資料庫只需要修改run.sh就可以了
[oracle@svr7-71 awrrpt]$ more run.sh
./awrrpt.sh 9 11 test1/test1@ora71
./awrrpt.sh 9 11 test1/test1@ora72
最後別忘記把要產生資料庫的tnsname配置到tnsnames.ora中,最後把run.sh配置到crontab中