Linux/Unix shell 自动发送AWR report(二)
观察Oracle数据库性能,Oracle自带的awr 功能为我们提供了一个近乎完美的解决方案,通过awr特性我们可以随时从数据库提取awr报告。不过awrrpt.sql脚本执行时需要我们提供一些交互信息,因此可以将其整合到shell脚本中来实现自动产生指定时段的awr报告并发送给相关人员。本文对Linux/Unix shell 自动发送AWR report的功能进行了完善和补充。
1、shell脚本
- robin@SZDB:~/dba_scripts/custom/awr> more autoawr_by_time.sh
- #!/bin/bash
- # --------------------------------------------------------------------------+
- # Generate AWR report and send mail automatically |
- # Filename: autoawr_by_time.sh |
- # Desc: |
- # The script use to generate awr report by time period. |
- # Three parameter for it. |
- # para1: <ORACLE_SID> mandatory parameter |
- # para2: [begin time] optional parameter |
- # para3: [end time ] optional parameter |
- # Deploy it by crontab as requirement |
- # Usage: |
- # ./autoawr_by_time.sh <instance_name> [begin time] [end time] |
- # Example: |
- # ./autoawr_by_time.sh TESTDB |
- # --default,time period is from last midnight to today midnight |
- # ./autoawr_by_time.sh TESTDB 2013031009 |
- # --time period is from 2013031009 to now |
- # ./autoawr_by_time.sh TESTDB 2013031009 2013031012 |
- # --time period by speicifed |
- # Author : Robinson |
- # Blog : http://blog.csdn.net/robinson_0612 |
- # --------------------------------------------------------------------------+
- #
- # -------------------------------
- # Set environment here
- # ------------------------------
- if [ -f ~/.bash_profile ]; then
- . ~/.bash_profile
- fi
- # ------------------------------------------------------------
- # Check the parameter, if no specify,then use default value
- # ------------------------------------------------------------
- if [ -z "${1}" ] ;then
- echo "Usage: "
- echo " `basename $0` <ORACLE_SID> [begin_date] [end_date]"
- fi
- if [ -z "${3}" ] && [ -z "${2}" ];then
- begin_date=`date -d yesterday +%Y%m%d`'00'
- end_date=`date +%Y%m%d`'00'
- elif [ -z "${3}" ]; then
- begin_date=${2}
- end_date=`date +%Y%m%d%H`
- else
- begin_date=${2}
- end_date=${3}
- fi
- ORACLE_SID=${1}
- export ORACLE_SID begin_date end_date
- export MACHINE=`hostname`
- export MAIL_DIR=/users/robin/dba_scripts/sendEmail-v1.56
- export MAIL_LIST='Robinson.chen@<span style="color:#000000;">12306</span>.com'
- export AWR_CMD=/users/robin/dba_scripts/custom/awr
- export AWR_DIR=/users/robin/dba_scripts/custom/awr/report/${ORACLE_SID}
- export MAIL_FM='oracle@szdb.com'
- RETENTION=31
- echo $ORACLE_SID
- echo $begin_date
- echo $end_date
- # --------------------------------------------------------------------
- # Check the directory for store awr report,if not exist, create it
- # --------------------------------------------------------------------
- if [ ! -d "${AWR_DIR}" ]; then
- mkdir -p ${AWR_DIR}
- fi
- # ----------------------------------------------
- # check if the database is running, if not exit
- # ----------------------------------------------
- db_stat=`ps -ef | grep pmon_$ORACLE_SID | grep -v grep| cut -f3 -d_`
- if [ -z "$db_stat" ]; then
- #date >/tmp/db_${ORACLE_SID}_stauts.log
- echo " $ORACLE_SID is not available on ${MACHINE} !!!" # >>/tmp/db_${ORACLE_SID}_stauts.log
- MAIL_SUB=" $ORACLE_SID is not available on ${MACHINE} !!!"
- MAIL_BODY=" $ORACLE_SID is not available on ${MACHINE} at `date` when try to generate AWR."
- $MAIL_DIR/sendEmail -u $MAIL_SUB -f $MAIL_FM -t $MAIL_LIST -m $MAIL_BODY
- exit 1
- fi;
- # ---------------------------------------------
- # Generate the awr report
- # ---------------------------------------------
- sqlplus -S "/ as sysdba" @${AWR_CMD}/autoawr_by_time.sql $begin_date $end_date
- status=$?
- if [ $status != 0 ];then
- echo " $ORACLE_SID is not available on ${MACHINE} !!!" # >>/tmp/db_${ORACLE_SID}_stauts.log
- MAIL_SUB=" Occurred error while generate AWR for ${ORACLE_SID} !!!"
- MAIL_BODY=" Some exceptions encountered during generate AWR report for $ORACLE_SID on `hostname`."
- $MAIL_DIR/sendEmail -u $MAIL_SUB -f $MAIL_FM -t $MAIL_LIST -m $MAIL_BODY
- exit
- fi
- # ------------------------------------------------
- # Send email with AWR report
- # ------------------------------------------------
- filename=`ls ${AWR_DIR}/${ORACLE_SID}_awrrpt_?_${begin_date}_${end_date}*`
- if [ -e "${filename}" ];then
- MAIL_SUB="AWR report from ${ORACLE_SID} on `hostname`."
- MAIL_BODY="This is an AWR report from ${ORACLE_SID} on `hostname`.Time period: $begin_date,$end_date. "
- $MAIL_DIR/sendEmail -u $MAIL_SUB -f $MAIL_FM -t $MAIL_LIST -m $MAIL_BODY -a ${filename}
- echo ${filename}
- fi
- # ------------------------------------------------
- # Removing files older than $RETENTION parameter
- # ------------------------------------------------
- find ${AWR_DIR} -name "*awrrpt*" -mtime +$RETENTION -exec rm {} \;
- exit
2、产生awr report 的sql脚本
- robin@SZDB:~/dba_scripts/custom/awr> more autoawr_by_time.sql
- SET ECHO OFF;
- SET VERI OFF;
- SET FEEDBACK OFF;
- SET TERMOUT ON;
- SET HEADING OFF;
- SET TRIMSPOOL ON;
- VARIABLE rpt_options NUMBER;
- DEFINE no_options = 0;
- define ENABLE_ADDM = 8;
- REM according to your needs, the value can be 'text' or 'html'
- DEFINE report_type='html';
- BEGIN
- :rpt_options := &no_options;
- END;
- /
- VARIABLE dbid NUMBER;
- VARIABLE inst_num NUMBER;
- VARIABLE bid NUMBER;
- VARIABLE eid NUMBER;
- BEGIN
- SELECT snap_id
- INTO :bid
- FROM dba_hist_snapshot
- WHERE TO_CHAR (end_interval_time, 'yyyymmddhh24') = '&1';
- SELECT snap_id
- INTO :eid
- FROM dba_hist_snapshot
- WHERE TO_CHAR (end_interval_time, 'yyyymmddhh24') = '&2';
- SELECT dbid INTO :dbid FROM v$database;
- SELECT instance_number INTO :inst_num FROM v$instance;
- END;
- /
- --print dbid;
- --print bid;
- --print eid;
- --print inst_num;
- COLUMN ext NEW_VALUE ext NOPRINT
- COLUMN fn_name NEW_VALUE fn_name NOPRINT;
- COLUMN lnsz NEW_VALUE lnsz NOPRINT;
- SELECT 'txt' ext
- FROM DUAL
- WHERE LOWER ('&report_type') = 'text';
- SELECT 'html' ext
- FROM DUAL
- WHERE LOWER ('&report_type') = 'html';
- SELECT 'awr_report_text' fn_name
- FROM DUAL
- WHERE LOWER ('&report_type') = 'text';
- SELECT 'awr_report_html' fn_name
- FROM DUAL
- WHERE LOWER ('&report_type') = 'html';
- SELECT '80' lnsz
- FROM DUAL
- WHERE LOWER ('&report_type') = 'text';
- SELECT '1500' lnsz
- FROM DUAL
- WHERE LOWER ('&report_type') = 'html';
- set linesize &lnsz;
- COLUMN report_name NEW_VALUE report_name NOPRINT;
- SELECT instance_name || '_awrrpt_' || instance_number || '_' ||'&&1'||'_'||'&&2'|| '.' || '&ext'
- report_name
- FROM v$instance a,
- (SELECT TO_CHAR (begin_interval_time, 'yyyymmdd') timestamp
- FROM dba_hist_snapshot
- WHERE snap_id = :bid) b;
- SET TERMOUT OFF;
- SPOOL ${AWR_DIR}/&report_name;
- --SPOOL &report_name
- SELECT output
- FROM TABLE (DBMS_WORKLOAD_REPOSITORY.&fn_name (:dbid,
- :inst_num,
- :bid,
- :eid,
- :rpt_options));
- SPOOL OFF;
- SET TERMOUT ON;
- CLEAR COLUMNS SQL;
- TTITLE OFF;
- BTITLE OFF;
- REPFOOTER OFF;
- SET TRIMSPOOL OFF;
- UNDEFINE report_name
- UNDEFINE report_type
- UNDEFINE fn_name
- UNDEFINE lnsz
- UNDEFINE no_options
- exit;
3、补充说明
a、该脚本实现了基于不同时段,不同instance自动生成awr report,具体如下
b、用法为./autoawr_by_time.sh <instance_name> [begin time] [end time],可以用于随时随地直接生成awr report
c、在省略[begin time] [end time]的情形下会自动生成昨天凌晨至今天凌晨的awr report
d、当仅仅省略[end time]时则从[begin time]开始至当前的最大snap_id来生成awr report
e、当[begin time] [end time]都被指定时则生成指定时段的awr report
f、通过调用sendEmail发送awr report,具体参考:不可或缺的 sendEmail
4、部署参考
- #如果仅仅需要一整天的awr report,直接将其部署到crontab即可。
- #如果需要一整天以及不同时段的awr report,则可以考虑采用如下方式来部署,将其合并到一个shell文件
- robin@SZDB:~/dba_scripts/custom/awr> more awr.sh
- #!/bin/bash
- dt=`date +%Y%m%d`
- start_date=$dt'05'
- end_date=$dt'09'
- /users/robin/dba_scripts/custom/awr/autoawr_by_time.sh CNMMBO #获取一整天的awr report
- /users/robin/dba_scripts/custom/awr/autoawr_by_time.sh CNMMBO $start_date #获取指定起始时间至今的awr report
- /users/robin/dba_scripts/custom/awr/autoawr_by_time.sh CNMMBO $start_date $end_date #获取指定时间段的awr report
- exit
- robin@SZDB:~/dba_scripts/custom/awr> crontab -l
- # DO NOT EDIT THIS FILE - edit the master and reinstall.
- 45 11 * * * /users/robin/dba_scripts/custom/awr/awr.sh
- 转:http://blog.csdn.net/leshami/article/details/8687690
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