Oracle 每天自动生成AWR报告

server2$[/home/oracle]mkdir awrreport

create or replace directory DIR_AWRREPORT as '/home/oracle/awrreport';
grant read,write on directory DIR_AWRREPORT to mydba;                    -- mydba 为具有 dba 权限的用户 
 
grant select on v_$database to mydba;
grant select on dba_hist_snapshot to mydba;
grant execute on sys.dbms_workload_repository to mydba;

CREATE OR REPLACE PROCEDURE auto_awrreport
AS
/*
用途：自动生成 AWR 报告
创建人：gegeman
创建日期：2017-12-08
*/
start_snap number;
end_snap number;
rpt_interval number := 24; -- 报告间隔 (小时)
start_time varchar2(14);
end_time varchar2(14);
awr_file utl_file.file_type;
v_dbid number;
v_dbname varchar2(20);
 
begin
-- 确定数据库名称与 id 
select dbid,name into v_dbid,v_dbname from v$database;
 
--- 查询起始的快照 id
select max(snap_id) into end_snap from dba_hist_snapshot;
start_snap := end_snap-rpt_interval;
 
--- 格式化快照时间 
select to_char(end_interval_time-rpt_interval/24, 'yyyymmddhh24'),to_char(end_interval_time, 'yyyymmddhh24')
into start_time,end_time
from dba_hist_snapshot
where snap_id = end_snap and instance_number = 1;
 
-- 实例 1 报告 
awr_file := utl_file.fopen('DIR_AWRREPORT',lower(v_dbname)||'_1_'||start_time||'_'||end_time||'.html', 'a',32767);
for awr_info in (select output from table(dbms_workload_repository.awr_report_html(v_dbid,1,start_snap,end_snap,0))) loop
UTL_FILE.put_line(awr_file,awr_info.output);
end loop;
utl_file.fclose(awr_file);
 
-- 实例 2 报告 
awr_file := utl_file.fopen('DIR_AWRREPORT',lower(v_dbname)||'_2_'||start_time||'_'||end_time||'.html', 'a',32767);
for awr_info in (select output from table(dbms_workload_repository.awr_report_html(v_dbid,2,start_snap,end_snap,0))) loop
UTL_FILE.put_line(awr_file,awr_info.output);
end loop;
utl_file.fclose(awr_file);
 
-- 全局报告 
awr_file := utl_file.fopen('DIR_AWRREPORT',lower(v_dbname)||'_global_'||start_time||'_'||end_time||'.html', 'a',32767);
for awr_info in (select output from table(dbms_workload_repository.awr_global_report_html(l_dbid => v_dbid,l_inst_num => '',l_bid => start_snap,l_eid => end_snap,l_options => 0))) loop
UTL_FILE.put_line(awr_file,awr_info.output);
end loop;
utl_file.fclose(awr_file);
 
end auto_awrreport;

grant execute on mydba.auto_awrreport to mydba;

declare
job1 number;
begin
sys.dbms_job.submit(job => job1,
what => 'auto_awrreport;',
next_date => sysdate,
interval => 'TRUNC(SYSDATE+1) + 30/(24*60)',
instance => 2
); 
end;