oracle 巡检脚本（自动化）

断崖修竹
2017-03-03 15:24:40 2884 收藏 2
展开 ————————————————————

vi /home/oracle/scripts/check/Report_oracle_inspection.sql

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set heading off

select ‘一、数据库的基本情况‘ from dual;

set heading off

select ‘ 1、数据库版本‘ from dual;

set heading on

select * from v$version;

set heading off

select ‘ 2、查看数据库基本信息‘ from dual;

set heading on

set linesize 500

col host_name for a20

select dbid,name,instance_name,instance_name,version,parallel rac,host_name from v$database,v$instance;

set heading off

select ‘ 3、实例状态‘ from dual;

set heading on

select instance_number,instance_name ,status from gv$instance;

set heading off

select ‘ 4、内存情况‘ from dual;

set heading on

select * from v$sgainfo;

set heading off

select ‘ 5、cpu情况‘ from dual;

set heading on

col STAT_NAME for a20

col COMMENTS for a50

select stat_name,value,comments from v$osstat where stat_name in (‘NUM_CPUS‘,‘IDLE_TIME‘,‘BUSY_TIME‘,‘USER_TIME‘,‘SYS_TIME‘,‘IOWAIT_TIME‘);

set heading off

select ‘二、检查Oracle对象状态‘ from  dual;

set heading off

select ‘ 1、查看参数文件位置‘ from dual;

show parameter spfile

set heading off

col NAME for a50

select ‘ 2、查看控制文件‘ from dual;

set heading on

select status,name from v$controlfile;

set heading off

select ‘ 3、查看在线日志‘ from dual;

set heading on

col MEMBER for a50

select group#,status,type,member from v$logfile;

set heading off

select ‘ 4、检查日志切换频率‘ from dual;

set heading on

select sequence#,to_char(first_time,‘yyyymmdd_hh24:mi:ss‘) firsttime,round((first_time-lag(first_time) over(order by first_time))*24*60,2) minutes from v$log_history where first_time > sysdate – 1 order by first_time ,minutes;

set heading off

select ‘ 5、查看数据文件‘ from dual;

set heading on

col NAME for a50

select name,status from v$datafile;

set heading off

select ‘ 6、查看失效Objects‘ from dual;

set heading on

set linesize 500

select owner,object_name,object_type from dba_objects where status!=‘VALID‘ and owner!=‘SYS‘ and owner!=‘SYSTEM‘;

set heading off

select ‘ 7、查看回滚段状态‘ from dual;

set heading on

select segment_name,status from dba_rollback_segs;

set heading off

select ‘ 8、检查是否有禁用约束‘ from dual;

set heading on

set linesize 1000

SELECT owner, constraint_name, table_name, constraint_type, status 

     FROM dba_constraints 

    WHERE status =‘DISABLE‘ and constraint_type=‘P‘;

set heading off

select ‘ 9、检查是否有禁用触发器‘ from dual;

set heading on

col owner for a10

col taigger_name for a10

col table_name for a30

col table_name for a30

 SELECT owner, trigger_name, table_name, status FROM dba_triggers WHERE status = ‘DISABLED‘;

set heading off

select ‘ 10、Job Disable‘ from dual;

set heading on

select job,what,last_date,next_date,failures,broken from dba_jobs Where schema_user=‘CAIKE‘;

set heading off

select ‘ 11、检查失效的索引‘ from dual;

set heading on

select index_name,table_name,tablespace_name,status From dba_indexes Where owner=‘CTAIS2‘ And status<>‘VALID‘;

set heading off

select ‘三、检查Oracle相关资源的使用情况‘ from dual;

set heading off

select ‘ 1、查看表空间的使用情况‘ from dual;

set heading on

set linesize 1000

SELECT UPPER(F.TABLESPACE_NAME) “tablespace_name”,    

D.TOT_GROOTTE_MB “tablesapce_size(M)”,    

D.TOT_GROOTTE_MB – F.TOTAL_BYTES “used_tablespace_size(M)”,    

TO_CHAR(ROUND((D.TOT_GROOTTE_MB – F.TOTAL_BYTES) / D.TOT_GROOTTE_MB * 100,2),‘990.99‘) “used%”,    

F.TOTAL_BYTES “free_size(M)”,    

F.MAX_BYTES “max_byte(M)”   

FROM (SELECT TABLESPACE_NAME,    

ROUND(SUM(BYTES) / (1024 * 1024), 2) TOTAL_BYTES,    

ROUND(MAX(BYTES) / (1024 * 1024), 2) MAX_BYTES    

FROM SYS.DBA_FREE_SPACE    

GROUP BY TABLESPACE_NAME) F,    

(SELECT DD.TABLESPACE_NAME,    

ROUND(SUM(DD.BYTES) / (1024 * 1024), 2) TOT_GROOTTE_MB    

FROM SYS.DBA_DATA_FILES DD    

GROUP BY DD.TABLESPACE_NAME) D    

WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME    

ORDER BY 4 DESC; 

set heading off

select ‘ 2、查看临时表空间使用情况‘ from dual;

set heading on

select tablespace_name , sum(bytes)/1024/1024 from dba_temp_files group by tablespace_name;

set heading off

select ‘ 3、查看临时段使用的情况‘ from dual;

set heading on

COL username FORMAT a10;

COL segtype FORMAT a10;

SELECT username, segtype, extents “Extents Allocated”

,blocks “Blocks Allocated”

FROM v$tempseg_usage;

set heading off

select ‘ 4、查看所有数据文件i/o情况‘ from dual;

set heading on

SELECT ts.name AS ts, fs.phyrds “Reads”, fs.phywrts “Writes”

,fs.phyblkrd AS br, fs.phyblkwrt AS bw

,fs.readtim “RTime”, fs.writetim “WTime”

FROM v$tablespace ts, v$datafile df, v$filestat fs

WHERE ts.ts# = df.ts# AND df.file# = fs.file#

UNION

SELECT ts.name AS ts, ts.phyrds “Reads”, ts.phywrts “Writes”

,ts.phyblkrd AS br, ts.phyblkwrt AS bw

,ts.readtim “RTime”, ts.writetim “WTime”

FROM v$tablespace ts, v$tempfile tf, v$tempstat ts

WHERE ts.ts# = tf.ts# AND tf.file# = ts.file# ORDER BY 1;

set heading off

select ‘ 5、查看top 10 热segment‘ from dual;

set heading on

col objct_name for a30

col OWNER  for a20

select * from

(select

 ob.owner, ob.object_name, sum(b.tch) Touchs

from x$bh b , dba_objects ob

where b.obj = ob.data_object_id

 and b.ts# > 0

group by ob.owner, ob.object_name

order by sum(tch) desc)

where rownum <=10;

set heading off

select ‘ 6、查看物理读最多的object‘ from dual;

set heading on

select * from (select owner,object_name,value from  v$segment_statistics where statistic_name=‘physical reads‘ order by value desc) where rownum<=10;

set heading off

select ‘ 7、查看热点数据文件(从单块读取时间判断)‘ from dual;

set heading on

SELECT t.file_name, 

          t.tablespace_name, 

          round(s.singleblkrdtim / s.singleblkrds, 2) AS CS,  

          s.READTIM, 

          s.WRITETIM 

     FROM v$filestat s, dba_data_files t 

    WHERE s.file# = t.file_id and rownum<=10 order by cs desc;

set heading off

select ‘ 8、检查Oracle初始化文件中相关参数值‘ from dual;

set heading on

select resource_name,max_utilization,initial_allocation,

    limit_value from v$resource_limit;

set heading off

select ‘注：若LIMIT_VALU – MAX_UTILIZATION<=5，则表明与RESOURCE_NAME相关的Oracle初始化参数需要调整。可以通过参数文件调整。‘ from dual;

set heading off

select ‘ 9、检查数据库连接情况‘ from dual;

set heading on

select sid,serial#,username,program,machine,status from v$session;

set heading off

set heading off

select ‘ 10、查看热点数据文件‘ from dual;

set heading on

SELECT t.file_name, 

          t.tablespace_name, 

          round(s.singleblkrdtim / s.singleblkrds, 2) AS CS,  

          s.READTIM, 

          s.WRITETIM 

     FROM v$filestat s, dba_data_files t 

    WHERE s.file# = t.file_id and rownum<=10 order by cs desc;

    

    

set heading off

select ‘ 11、Check objects for extended exceptions‘ from dual;

set heading on

select Segment_Name, Segment_Type, TableSpace_Name, 

(Extents/Max_extents)*100 Percent 

From sys.DBA_Segments 

Where Max_Extents != 0 and (Extents/Max_extents)*100>=95 

order By Percent; 

set heading off

select ‘ 12、检查system表空间内的内容 ‘ from dual;

set heading on

select distinct(owner) from dba_tables 

where tablespace_name=‘SYSTEM‘ and 

owner!=‘SYS‘ and owner!=‘SYSTEM‘ 

union 

select distinct(owner) from dba_indexes 

where tablespace_name=‘SYSTEM‘ and

owner!=‘SYS‘ and owner!=‘SYSTEM‘;

set heading off

select ‘ 13、检查对象的下一扩展与表空间的最大扩展值 ‘ from dual;

set heading on

select a.table_name, a.next_extent, a.tablespace_name 

from all_tables a, 

(select tablespace_name, max(bytes) as big_chunk 

from dba_free_space 

group by tablespace_name ) f 

where f.tablespace_name = a.tablespace_name 

and a.next_extent > f.big_chunk 

union 

select a.index_name, a.next_extent, a.tablespace_name 

from all_indexes a, 

(select tablespace_name, max(bytes) as big_chunk 

from dba_free_space 

group by tablespace_name ) f 

where f.tablespace_name = a.tablespace_name 

and a.next_extent > f.big_chunk;

set heading off

select ‘四、内存的具体查看‘ from dual;

set heading off

select ‘  1、Check the memory footprint of each pool size‘ from dual;

set heading on 

COL name FORMAT a32;

SELECT pool, name, bytes FROM v$sgastat

WHERE pool IS NULL

OR pool != ‘shared pool‘ OR (pool = ‘shared pool‘

AND (name IN(‘dictionary cache‘,‘enqueue‘,‘library

cache‘,‘parameters‘,

‘processes‘,‘sessions‘,‘free memory‘)))

ORDER BY pool DESC NULLS FIRST, name;

set heading off

select ‘  2、检查shered pool  free  space ‘ from dual;

set heading on 

SELECT * FROM V$SGASTAT

WHERE NAME = ‘free memory‘

  AND POOL = ‘shared pool‘;

set heading off

select ‘  3、检查shared pool中library cach ‘ from dual;

set heading on 

select namespace,pinhitratio from v$librarycache;

set heading off

select ‘  4、检查整体命中率(library cache)‘ from dual;

set heading on 

 select sum(pins) “hits”,

            sum(reloads) “misses”,

            sum(pins)/(sum(pins)+sum(reloads)) “Hits Ratio”

    from v$librarycache;

set heading off

select ‘  5、library cache中详细比率信息‘ from dual;

set heading on

SELECT ‘Library Lock Requests‘ “Ratio”                                                            

, ROUND(AVG(gethitratio) * 100, 2)                           

||‘%‘ “Percentage” FROM V$LIBRARYCACHE                       

UNION                                                        

SELECT ‘Library Pin Requests‘ “Ratio”, ROUND(AVG(pinhitratio)

* 100, 2)                                                    

||‘%‘ “Percentage” FROM V$LIBRARYCACHE                       

UNION                                                        

SELECT ‘Library I/O Reloads‘ “Ratio”                         

, ROUND((SUM(reloads) / SUM(pins)) * 100, 2)                 

||‘%‘ “Percentage” FROM V$LIBRARYCACHE                       

UNION                                                        

SELECT ‘Library Reparses‘ “Ratio”                            

, ROUND((SUM(reloads) / SUM(pins)) * 100, 2)                 

||‘%‘ “Percentage” FROM V$LIBRARYCACHE; 

set heading off

select ‘  6、检查数据字典的命中率‘ from dual;

set heading on

SELECT (SUM(GETS – GETMISSES – FIXED)) / SUM(GETS) “ROW CACHE” FROM V$ROWCACHE;

set heading off

select ‘注：row cache的命中率至少小于90%‘ from dual;

set heading off

select ‘  7、每个子shared pool由 单独的shared pool latch保护 查看 他们的命中率 ‘ from dual;

set heading on

col name format a15

select addr,name,gets,misses,1-misses/gets from v$latch_children where name=‘shared pool‘;

set heading off

select ‘ 8、查看shared pool建议‘ from dual;

set heading on

column c1     heading ‘Pool |Size(M)‘

  column c2     heading ‘Size|Factor‘

  column c3     heading ‘Est|LC(M)  ‘

  column c4     heading ‘Est LC|Mem. Obj.‘

  column c5     heading ‘Est|Time|Saved|(sec)‘

  column c6     heading ‘Est|Parse|Saved|Factor‘

 column c7     heading ‘Est|Object Hits‘   format 999,999,999

  SELECT shared_pool_size_for_estimate c1,shared_pool_size_factor c2,

          estd_lc_size c3,estd_lc_memory_objects c4,estd_lc_time_saved c5,

           estd_lc_time_saved_factor c6,to_char(estd_lc_memory_object_hits,99999999999) c7 FROM V$SHARED_POOL_ADVICE;

set heading off

select ‘ 9、查看shared pool中 各种类型的chunk的大小数量‘ from dual;

set heading on

SELECT KSMCHCLS CLASS, COUNT(KSMCHCLS) NUM, SUM(KSMCHSIZ) SIZ,

    To_char( ((SUM(KSMCHSIZ)/COUNT(KSMCHCLS)/1024)),‘999,999.00‘)||‘k‘ “AVG SIzE”

     FROM X$KSMSP GROUP BY KSMCHCLS;

set heading off

select ‘ 10、查看使用shard_pool保留池情况‘ from dual;

set heading on

SELECT request_misses, request_failures, free_space

FROM v$shared_pool_reserved;

set heading off

select ‘ 11、 pga 建议‘ from dual;

set heading on

SELECT (SELECT ROUND(value/1024/1024,0) FROM v$parameter

WHERE name = ‘pga_aggregate_target‘) “Current Mb”

, ROUND(pga_target_for_estimate/1024/1024,0) “Projected Mb”

, ROUND(estd_pga_cache_hit_percentage) “%”

FROM v$pga_target_advice

ORDER BY 2;

set heading off

select ‘ 12、查看buffer cache 命中率‘ from dual;

set heading on

select 1-(sum(decode(name, ‘physical reads‘, value, 0))/

    (sum(decode(name, ‘db block gets‘, value, 0))+

     (sum(decode(name, ‘consistent gets‘, value, 0))))) “Buffer Hit Ratio”

    from v$sysstat;

set heading off

select ‘ 13、查看buffer cache设置大小建议‘ from dual;

set heading on

select size_for_estimate, estd_physical_read_factor, to_char(estd_physical_reads,99999999999999999999999) as”estd_physical_reads” from v$db_cache_advice  where name = ‘DEFAULT‘;

set heading off

select ‘ 14、查看buffer cache中defalut pool 命中率‘ from dual;

set heading on

select name,1-(physical_reads)/(consistent_gets+db_block_gets)

     from v$buffer_pool_statistics;

     set heading off

select ‘注：default池命中率至少要大于90%‘ from dual;

set heading off

select ‘ 15、检查lgwr i/o性能‘ from dual;

set heading on

select total_waits,time_waited,average_wait,time_waited/total_waits as avg from v$system_event where event = ‘log file parallel write‘;

set heading off

select ‘ 16、Check Redo related performance indicators‘ from dual;

set heading on

set linesize 500

select name,value from v$sysstat where name like ‘%redo%‘;

set heading off

select ‘ 17、查询redo block size‘ from dual;

set heading on

select max(lebsz) from x$kccle;

set heading off

select ‘ 18、  计算出每个事务平均处理多少个redo block‘ from dual;

set heading on

select a.redoblocks/b.trancount from (select value redoblocks from v$sysstat where name=‘redo blocks written‘) a ,(select value trancount from v$sysstat where name=‘user commits‘) b;

set heading off

select ‘ 19、 检查undo rollback segment 使用情况‘ from dual;

set heading on

col name for a60

select name ,rssize,extents,latch,xacts,writes,gets,waits from v$rollstat a,v$rollname b where a.usn=b.usn order by waits desc;

set heading off

select ‘ 20、计算每秒钟产生的undoblk数量‘ from dual;

set heading on

select sum(undoblks)/sum((end_time-begin_time)*24*60*60) from v$undostat; 

set heading off

select ‘ 21、查询undo具体信息‘ from dual;

set heading on

COL undob FORMAT 99990;

COL trans FORMAT 99990;

COL snapshot2old FORMAT 9999999990;

SELECT undoblks “UndoB”, txncount “Trans”

,maxquerylen “LongestQuery”, maxconcurrency “MaxConcurrency”

,ssolderrcnt “Snapshot2Old”, nospaceerrcnt “FreeSpaceWait”

FROM v$undostat;

set heading off

select ‘ 22、查询rollback 段详细信息(收缩次数,扩展次数,平均活动事务等)‘ from dual;

set heading on

COL RBS FORMAT a50;

SELECT n.name “RBS”, s.extends “Extends”, s.shrinks

“Shrinks”

,s.wraps “Wraps”, s.aveshrink “AveShrink”

,s.aveactive “AveActive”

FROM v$rollname n JOIN v$rollstat s USING(usn)

WHERE n.name != ‘SYSTEM‘;

set heading off

select ‘ 23、查询当前rollback segment使用情况‘ from dual;

set heading on

COL RBS FORMAT a50;

SELECT n.name “RBS”, s.status, s.waits, s.gets, to_char(s.writes,‘9999999999999‘)

,s.xacts “Active Trans”

FROM v$rollname n JOIN v$rollstat s USING(usn)

WHERE n.name != ‘SYSTEM‘;

set heading off

select ‘ 24、Query rollback segment Waiting ratio‘ from dual;

set heading on

SELECT ROUND(SUM(waits/gets)*100,2)||‘%‘ “Contention” FROM v$rollstat;

set heading off

select ‘ 25、查询使用rollback segment时等待比率及其平局活动事务数‘ from dual;

set heading on

COL contention FORMAT 9999999990;

SELECT AVG(xacts) “Trans per RBS”

,ROUND(SUM(waits/gets)*100,2)||‘%‘ “Contention”

FROM v$rollstat;

set heading off

select ‘五、检查Oracle数据库性能‘ from dual;

set heading off

select ‘ 1、检查数据库的等待事件‘ from dual;

set heading on

set pages 80

set lines 120

col event for a40

select sid,event,p1,p2,p3,WAIT_TIME,SECONDS_IN_WAIT from v$session_wait where event not like ‘SQL%‘ and event not like ‘rdbms%‘;

set heading off

select ‘ 2、查看与redo相关等待事件‘ from dual;

set heading on

col event format a40

   select event,total_waits,total_timeouts,average_wait from v$system_event where upper(event) like‘%REDO%‘;

set heading off

select ‘ 3、查看session redo event‘ from dual;

set heading on

select event,total_waits,total_timeouts,average_wait from v$session_event where upper(event) like‘%REDO%‘;

set heading off

select ‘ 4、Disk Read Top SQL‘ from dual;

set heading on

SELECT SQL_TEXT FROM (SELECT * FROM V$SQLAREA ORDER BY DISK_READS) WHERE ROWNUM<=5  order  by SQL_TEXT desc;

set heading off

select ‘ 5、查找前十条性能差的sql‘ from dual;

set heading on

SELECT * FROM (SELECT PARSING_USER_ID

EXECUTIONS,SORTS,COMMAND_TYPE,DISK_READS,

SQL_TEXT FROM V$SQLAREA ORDER BY DISK_READS DESC) 

WHERE ROWNUM<10 ;

set heading off

select ‘ 6、Top 5 system waiting events(Time)‘ from dual;

set heading on

SELECT * FROM (SELECT * FROM V$SYSTEM_EVENT WHERE EVENT NOT LIKE ‘SQL%‘ ORDER BY TOTAL_WAITS DESC) WHERE ROWNUM<=5;

set heading off

select ‘ 7、检查运行很久的SQL‘ from dual;

set heading on

COLUMN USERNAME FORMAT A12 

COLUMN OPNAME FORMAT A16 

COLUMN PROGRESS FORMAT A8 

SELECT USERNAME,SID,OPNAME,ROUND(SOFAR*100 / TOTALWORK,0) || ‘%‘ AS PROGRESS,TIME_REMAINING,SQL_TEXT FROM V$SESSION_LONGOPS , V$SQL WHERE TIME_REMAINING <> 0 AND SQL_ADDRESS=ADDRESS AND SQL_HASH_VALUE = HASH_VALUE;

set heading off

select ‘ 8、Check the table with a high degree of fragmentation‘ from dual;

set heading on

SELECT segment_name table_name, COUNT(*) extents

  FROM dba_segments

 WHERE owner NOT IN (‘SYS‘, ‘SYSTEM‘)

 GROUP BY segment_name

HAVING COUNT(*) = (SELECT MAX(COUNT(*))

                     FROM dba_segments

                    GROUP BY segment_name);

set heading off

select ‘ 9、Check deadlock and processing‘ from dual;

set heading on

col sid for 999999

col username for a10

col schemaname for a10

col osuser for a16

col machine for a16

col terminal for a20

col owner for a10

col object_name for a30

col object_type for a10

select sid,serial#,username,SCHEMANAME,osuser,MACHINE,

terminal,PROGRAM,owner,object_name,object_type,o.object_id 

from dba_objects o,v$locked_object l,v$session s 

where o.object_id=l.object_id and s.sid=l.session_id;

set heading off

select ‘ 10、查看数据库中行chain‘ from dual;

set heading on

SELECT ‘Chained Rows ‘ “Ratio” 

, ROUND(

(SELECT SUM(value) FROM V$SYSSTAT

 WHERE name = ‘table fetch continued row‘)

/ (SELECT SUM(value) FROM V$SYSSTAT

   WHERE name IN (‘table scan rows gotten‘, ‘table fetch by 

rowid‘))

* 100, 3)||‘%‘ “Percentage”

FROM DUAL;

set heading off

select ‘ 11、Query resolution ratio‘ from dual;

set heading on

SELECT ‘Soft Parses ‘ “Ratio” 

, ROUND(

((SELECT SUM(value) FROM V$SYSSTAT WHERE name = ‘parse count (total)‘)

– (SELECT SUM(value) FROM V$SYSSTAT WHERE name = ‘parse count (hard)‘))

/ (SELECT SUM(value) FROM V$SYSSTAT WHERE name = ‘execute count‘)

* 100, 2)||‘%‘ “Percentage”

FROM DUAL

UNION

SELECT ‘Hard Parses ‘ “Ratio” 

, ROUND((SELECT SUM(value) FROM V$SYSSTAT WHERE name = ‘parse count (hard)‘)

/ (SELECT SUM(value) FROM V$SYSSTAT WHERE name = ‘execute count‘) * 100, 2)||‘%‘ “Percentage”

FROM DUAL

UNION

SELECT ‘Parse Failures ‘ “Ratio” 

, ROUND((SELECT SUM(value) FROM V$SYSSTAT

 WHERE name = ‘parse count (failures)‘)

/ (SELECT SUM(value) FROM V$SYSSTAT WHERE name = ‘parse count (total)‘)* 100, 5)||‘%‘ “Percentage”   FROM DUAL;

set heading off

select ‘ 12、查看与latch有关的event信息‘ from dual;

set heading on

COL event FORMAT a20;

COL waits FORMAT 9999990;

COL timeouts FORMAT 99999990;

COL average FORMAT 99999990;

SELECT event “Event”, time_waited “Total Time”, total_waits

“Waits”

,average_wait “Average”, total_timeouts “Timeouts”

FROM V$SYSTEM_EVENT

WHERE event = ‘latch free‘

ORDER BY EVENT;

set heading off

select ‘ 13、查看大表小表扫描对应的值‘ from dual;

set heading on

SELECT value, name FROM V$SYSSTAT WHERE name IN

(‘table fetch by rowid‘, ‘table scans (short tables)‘

, ‘table scans (long tables)‘);

SELECT ‘Short to Long Full Table Scans‘ “Ratio”

, ROUND(

(SELECT SUM(value) FROM V$SYSSTAT

WHERE name = ‘table scans (short tables)‘)

/ (SELECT SUM(value) FROM V$SYSSTAT WHERE name IN

(‘table scans (short tables)‘, ‘table scans (long tables)‘))

* 100, 2)||‘%‘ “Percentage”

FROM DUAL

UNION

SELECT ‘Short Table Scans ‘ “Ratio”

, ROUND(

(SELECT SUM(value) FROM V$SYSSTAT

WHERE name = ‘table scans (short tables)‘)

/ (SELECT SUM(value) FROM V$SYSSTAT WHERE name IN

(‘table scans (short tables)‘, ‘table scans (long tables)‘, ‘table fetch by rowid‘))

* 100, 2)||‘%‘ “Percentage”

FROM DUAL

UNION

SELECT ‘Long Table Scans ‘ “Ratio”

, ROUND(

(SELECT SUM(value) FROM V$SYSSTAT

WHERE name = ‘table scans (long tables)‘)

/ (SELECT SUM(value) FROM V$SYSSTAT WHERE name

IN (‘table scans (short tables)‘, ‘table scans (long tables)‘, ‘table fetch by rowid‘))

* 100, 2)||‘%‘ “Percentage”

FROM DUAL

UNION

SELECT ‘Table by Index ‘ “Ratio”

, ROUND(

(SELECT SUM(value) FROM V$SYSSTAT WHERE name = ‘table fetch by rowid‘)

/ (SELECT SUM(value) FROM V$SYSSTAT WHERE name

IN (‘table scans (short tables)‘, ‘table scans (long tables)‘

, ‘table fetch by rowid‘))

* 100, 2)||‘%‘ “Percentage”

FROM DUAL

UNION

SELECT ‘Efficient Table Access ‘ “Ratio”

, ROUND(

(SELECT SUM(value) FROM V$SYSSTAT WHERE name

IN (‘table scans (short tables)‘,‘table fetch by rowid‘))

/ (SELECT SUM(value) FROM V$SYSSTAT WHERE name

IN (‘table scans (short tables)‘, ‘table scans (long tables)‘

, ‘table fetch by rowid‘))

* 100, 2)||‘%‘ “Percentage”

FROM DUAL;

set heading off

select ‘ 14、index Use ratio‘ from dual;

set heading on

col name for a30

SELECT to_char(value,‘999999999999999999999‘), name FROM V$SYSSTAT WHERE name IN

(‘table fetch by rowid‘, ‘table scans (short tables)‘

, ‘table scans (long tables)‘)

OR name LIKE ‘index fast full%‘ OR name = ‘index fetch by

key‘;

       

SELECT ‘Index to Table Ratio ‘ “Ratio” , ROUND(                   

(SELECT SUM(value) FROM V$SYSSTAT                          

WHERE name LIKE ‘index fast full%‘                         

OR name = ‘index fetch by key‘                             

OR name = ‘table fetch by rowid‘)                          

/ (SELECT SUM(value) FROM V$SYSSTAT WHERE name IN          

(‘table scans (short tables)‘, ‘table scans (long tables)‘)

),0)||‘:1‘ “Result”                                        

FROM DUAL;

set heading off

select ‘ 15、等待class‘ from dual;

set heading on

col wait_class for a30                                  

SELECT wait_class, COUNT(wait_class) FROM v$system_event

GROUP BY wait_class ORDER BY 1; 

exit;

———————————————————-

vi /home/oracle/scripts/check/Report_oracle_inspection.sh

———————————————————-

#!/bin/bash 

# 

#    NAME 

#      Report_oracle_inspection.sh   2016-09-30

# 

#    DESCRIPTION 

#      Collecting the DB info 

# 

#    NOTES 

#      sh Report_oracle_inspection.sh 

# 

#    MODIFIED       (yyyy-mm-dd) 

#    liyanming       2016-09-30 

sqlplus / as sysdba <<eof

spool /home/oracle/Report_oracle_inspection.txt

@/home/oracle/scripts/check/1.sql

spool off

eof