Search This Blog

Total Pageviews

Sunday, 19 December 2021

object waits with event


Object waits with event .. 


define IF_COMMENT=' '
--define IF_COMMENT='--' 
set linesize 300 pagesize 300 numf 9999999999999999999999 col object_name for a50 col statistic_name for a35 col owner for a25
col VALUE for 999999999999999999
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,
dba_objects a where a.object_id=b.obj# and b.statistic_name='db block changes' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='segment scans' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='row lock waits' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;

with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='buffer busy waits' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;

with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='physical reads direct' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='physical reads' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='physical writes' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='physical writes direct' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='logical reads' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='ITL waits' order by 4 desc)
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;


OWNER                     OBJECT_NAME                    STATISTIC_NAME                           VALUE
------------------------- ------------------------------ ----------------------------------- ----------
ANUJ                      TAB1_IND                       db block changes                           576
ANUJ                      TAB2                           db block changes                           128
ANUJ                      TAB1                           db block changes                            32


set lines 500  pagesize 300 
col file# for 99999
col block# for 9999999999
col obj for a40
col type for a9
col lm for 99
col bsid for 9999
col kill for a15
col event for a30
select count(*) cnt,
''''||ash.SESSION_ID ||','|| ash.SESSION_SERIAL#||',@'||ash.inst_id ||'''' kill,
--session_id sid,
substr(event,1,30) event,
mod(p1,16) as lm,
sql_id,
CURRENT_OBJ# || ' ' || object_name obj
, o.object_type type
, CURRENT_FILE# file#
, CURRENT_BLOCK# block#
, blocking_session bsid
,con_id
from gv$active_session_history ash,dba_objects o
where 1=1
and event like 'enq: T%'
--and sample_time between to_timestamp('19.12.2021 00:00:00', 'dd.mm.yyyy hh24:mi:ss') AND TO_TIMESTAMP('19.12.2021 23:59:59', 'dd.mm.yyyy hh24:mi:ss')
-- and SAMPLE_TIME > SYSTIMESTAMP - INTERVAL '10' second
-- and SAMPLE_TIME > SYSTIMESTAMP - INTERVAL '1' DAY
--and SAMPLE_TIME > SYSTIMESTAMP - INTERVAL '15' minute
and o.object_id (+)= ash.current_obj#
group by event,''''||ash.SESSION_ID ||','|| ash.SESSION_SERIAL#||',@'||ash.inst_id ||'''' ,p1,sql_id,current_obj#,object_name,object_type,current_file#, current_block#, blocking_session,con_id
order by count(*)
/



define IF_COMMENT=' '
--define IF_COMMENT='--' 

set linesize 300 pagesize 300
col object_name 	for a30
col statistic_name 	for a35
col owner 			for a25
col VALUE for 999999999999999999
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,
dba_objects a where a.object_id=b.obj# and b.statistic_name='db block changes' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='segment scans' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='row lock waits' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='buffer busy waits' order by desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='physical reads direct' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='physical reads' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='physical writes' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='physical writes direct' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='logical reads' order by 4 desc) 
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;
with temp as (select a.owner,a.object_name,b.statistic_name,b.value from gv$segstat b,dba_objects a where a.object_id=b.obj# and b.statistic_name='ITL waits' order by 4 desc)
select * from temp where rownum < 30
&IF_COMMENT and owner not in ('AUDSYS','DBVISIT7', 'SYS' , 'SYSTEM' , 'DBSNMP' , 'SYSMAN' , 'OUTLN' ,'MDSYS' , 'ORDSYS' , 'EXFSYS' , 'DMSYS' , 'WMSYS' , 'CTXSYS' , 'ANONYMOUS' , 'XDB' , 'ORDPLUGINS' , 'OLAPSYS' , 'PUBLIC','WWV_FLOW_PLATFORM' ) 
;

col owner format a15
col object format a30
col object_type format a10
col index_name format a30
col table_name format a30
col lockmode format a20
col event_name format a40 head 'EVENT NAME'
col sql_id format a13
col instance_number format 9999 head 'INST'
set line 200 trimspool on
set pagesize 60
-- d_date_format set by get_date_range.sql
with waits as (
select
sh.inst_id instance_number
, sh.blocking_inst_id
, sh.sql_id
, n.name event_name
, chr(bitand(sh.p1,-16777216)/16777215)||
chr(bitand(sh.p1, 16711680)/65535) LOCKNAME
, bitand(sh.p1,65535) lockmode
, sh.current_obj#
from gv$active_session_history sh
join v$event_name n on sh.event_id = n.event_id
where sh.blocking_inst_id is not null
--and sh.event_id = ( select event_id from v$event_name where name like 'enq: TX - row lock contention')
and sh.event_id in ( select event_id from v$event_name where name like 'enq:%')
and sh.current_obj# is not null
and sh.current_obj# > 0
),
itlwaits as (
select distinct
w.instance_number
, w.event_name
, w.sql_id
--, w.lockname
, current_obj#
, count(*) itl_wait_count
from waits w
where w.lockname = 'TX'
and lockmode = 4 -- ITL
-- in this case just interested in indexes
--and w.event_name = 'enq: TX - index contention'
group by w.instance_number, w.event_name, w.sql_id, current_obj#
)
select
w.instance_number
, w.sql_id
, w.itl_wait_count
, decode(i.owner,null,t.owner,i.owner) owner
, o.object_type
, decode(i.index_name,null,t.table_name,i.index_name) object
, decode(i.ini_trans,null,t.ini_trans,i.ini_trans) ini_trans
, decode(i.max_trans,null,t.max_trans,i.max_trans) max_trans
from itlwaits w
join dba_objects o on o.object_id = w.current_obj#
left outer join dba_indexes i on i.owner = o.owner
and i.index_name = o.object_name
left outer join dba_tables t on t.owner = o.owner
and t.table_name = o.object_name
order by w.itl_wait_count
/
===========
col SQL_PROCESS for a13
col "event(waits:requests:blocks)" for a40
col "waits%"  for a7
col "reqs%"   for a7
col "blocks%" for a7
col inst_id for 9999 hea #i
col PROGRAMS for a60 HEADING 'PROGRAMS BY TYPES                                           '
col t0 for 999
col OBJECT_NAME for a35

with ash as (select * from gv$active_session_history where sample_time > sysdate - 1/24
            )
select /*+ rule*/ * from (
    select 
inst_id,
           object_name,
           tablespace_name,
           SUM(WAIT_COUNT),
           to_char(RATIO_TO_REPORT(SUM(WAIT_COUNT)) OVER() * 100, '990.99') AS "waits%",
           SUM(REQUESTS),
           to_char(RATIO_TO_REPORT(SUM(REQUESTS)) OVER()   * 100, '990.99') AS "reqs%",
           SUM(BLOCKS),
           to_char(RATIO_TO_REPORT(SUM(BLOCKS)) OVER()     * 100, '990.99') AS "blocks%",
           decode(nvl(upper('&&1'), 'BLOCKS')
                                  , 'WAITS' , rtrim(xmlagg(xmlelement(s, '(' || WAIT_COUNT||':'|| REQUESTS ||':'|| BLOCKS, '); ').extract('//text()') order by WAIT_COUNT desc), '; ')
                                  , 'REQS'  , rtrim(xmlagg(xmlelement(s, '(' || WAIT_COUNT||':'|| REQUESTS ||':'|| BLOCKS, '); ').extract('//text()') order by REQUESTS desc), '; ')
                                  , 'BLOCKS', rtrim(xmlagg(xmlelement(s, '(' || WAIT_COUNT||':'|| REQUESTS ||':'|| BLOCKS, '); ').extract('//text()') order by BLOCKS desc), '; ')
                                            , rtrim(xmlagg(xmlelement(s, '(' || WAIT_COUNT||':'|| REQUESTS ||':'|| BLOCKS, '); ').extract('//text()') order by BLOCKS desc), '; '))
            as "event(waits:requests:blocks)"
      from (select 
inst_id,
                   object_name,
                   tablespace_name,
                   sum(WAIT_COUNT)                     as WAIT_COUNT,
                   sum(WAIT_COUNT * REQS_PER_WAIT)     as REQUESTS,
                   sum(WAIT_COUNT * BLOCKS_PER_WAIT) as BLOCKS
              from (select count(*) as WAIT_COUNT,
                           o.object_type||' '||o.owner||'.'||o.object_name||'.'||o.subobject_name as object_name,
                           NVL(f.tablespace_name, l.tablespace_name) as tablespace_name,
                           case when p2text = 'blocks' then p2
                                when p3text in ('blocks','block cnt') then p3
                                when p1text = 'requests' then p1  
                                else 1
                           end                                                                                            as BLOCKS_PER_WAIT,
                           case when p3text='requests' then p3 when p1text='requests' then p1 else 1 end                  as REQS_PER_WAIT
,inst_id
                      from Gv$active_session_history  --
                      left join dba_objects o     on current_obj# = object_id
                      left join dba_data_files f  on current_file# = file_id
                      left join dba_lobs l        on l.owner = o.owner and l.segment_name = o.object_name
                     where 
                        wait_class in ('User I/O','System I/O') and
                        session_state = 'WAITING'
			and current_obj# > 0
                     group by o.object_type||' '||o.owner||'.'||o.object_name||'.'||o.subobject_name,
                              NVL(f.tablespace_name, l.tablespace_name),
                              case when p2text = 'blocks' then p2
                                   when p3text in ('blocks','block cnt') then p3
                                   when p1text = 'requests' then p1  
                                   else 1
                              end,
                              case when p3text='requests' then p3 when p1text='requests' then p1 else 1 end
,inst_id      )
             group by inst_id, object_name, tablespace_name)
     group by 
inst_id,    object_name,
              tablespace_name
     order by 1, decode(nvl(upper('&&1'),'BLOCKS'), 'WAITS', SUM(WAIT_COUNT), 'REQS', SUM(REQUESTS), 'BLOCKS', SUM(BLOCKS), SUM(BLOCKS)) desc
) where rownum <= nvl('&2', 10)

/
   #i OBJECT_NAME                         TABLESPACE_NAME                SUM(WAIT_COUNT) waits%  SUM(REQUESTS) reqs%   SUM(BLOCKS) blocks% event(waits:requests:blocks)
----- ----------------------------------- ------------------------------ --------------- ------- ------------- ------- ----------- ------- ----------------------------------------
    1  ..                                                                          60138   98.45        133258   99.30      482330   99.44 (60138:133258:482330)
    1 TABLE SYS.SMON_SCN_TIME.            SYSAUX                                     201    0.33           201    0.15        1047    0.22 (201:201:1047)
    1 INDEX SYS.SYS_IOT_TOP_19184.        SYSAUX                                     109    0.18           109    0.08         657    0.14 (109:109:657)
    1 TABLE SYS.MAP_OBJECT.                                                          254    0.42           255    0.19         254    0.05 (254:255:254)
    1 TABLE SYS.FGA$.                     SYSTEM                                      51    0.08            51    0.04         146    0.03 (51:51:146)
    1 INDEX SYS.I_RADM_CD2.                                                          139    0.23           139    0.10         141    0.03 (139:139:141)
    1 INDEX SYS.I_HH_OBJ#_INTCOL#.                                                     1    0.00             1    0.00         128    0.03 (1:1:128)
    1 TABLE SYS.WRI$_ADV_DEF_EXEC_TYPES.                                               1    0.00             1    0.00         126    0.03 (1:1:126)
    1 LOB SYS.SYS_LOB0000010634C00004$$.  SYSAUX                                     101    0.17           101    0.08         112    0.02 (101:101:112)
    1 TABLE SYSTEM.LOGMNR_UID$.           SYSAUX                                      45    0.07            45    0.03          45    0.01 (45:45:45)
SQL>
====

select 'LOGICAL_READS_DELTA' as metric_name from dual union all select 'BUFFER_BUSY_WAITS_DELTA' as metric_name from dual union all select 'DB_BLOCK_CHANGES_DELTA' as metric_name from dual union all select 'PHYSICAL_READS_DELTA' as metric_name from dual union all select 'PHYSICAL_WRITES_DELTA' as metric_name from dual union all select 'PHYSICAL_READS_DIRECT_DELTA' as metric_name from dual union all select 'PHYSICAL_WRITES_DIRECT_DELTA' as metric_name from dual union all select 'ITL_WAITS_DELTA' as metric_name from dual union all select 'ROW_LOCK_WAITS_DELTA' as metric_name from dual union all select 'GC_CR_BLOCKS_SERVED_DELTA' as metric_name from dual union all select 'GC_CU_BLOCKS_SERVED_DELTA' as metric_name from dual union all select 'GC_BUFFER_BUSY_DELTA' as metric_name from dual union all select 'GC_CR_BLOCKS_RECEIVED_DELTA' as metric_name from dual union all select 'GC_CU_BLOCKS_RECEIVED_DELTA' as metric_name from dual union all select 'TABLE_SCANS_DELTA' as metric_name from dual union all select 'CHAIN_ROW_EXCESS_DELTA' as metric_name from dual union all select 'PHYSICAL_READ_REQUESTS_DELTA' as metric_name from dual union all select 'PHYSICAL_WRITE_REQUESTS_DELTA' as metric_name from dual union all select 'OPTIMIZED_PHYSICAL_READS_DELTA' as metric_name from dual; LOGICAL_READS_DELTA BUFFER_BUSY_WAITS_DELTA DB_BLOCK_CHANGES_DELTA PHYSICAL_READS_DELTA PHYSICAL_WRITES_DELTA PHYSICAL_READS_DIRECT_DELTA PHYSICAL_WRITES_DIRECT_DELTA ITL_WAITS_DELTA ROW_LOCK_WAITS_DELTA GC_CR_BLOCKS_SERVED_DELTA GC_CU_BLOCKS_SERVED_DELTA GC_BUFFER_BUSY_DELTA GC_CR_BLOCKS_RECEIVED_DELTA GC_CU_BLOCKS_RECEIVED_DELTA TABLE_SCANS_DELTA CHAIN_ROW_EXCESS_DELTA PHYSICAL_READ_REQUESTS_DELTA PHYSICAL_WRITE_REQUESTS_DELTA OPTIMIZED_PHYSICAL_READS_DELTA 19 rows selected. set linesize 700 pagesize 500 VARIABLE dbid NUMBER VARIABLE bid NUMBER VARIABLE eid NUMBER VARIABLE INST_NUMBER number exec select max(snap_id) -1 into :bid from dba_hist_snapshot ; exec select max(snap_id) into :eid from dba_hist_snapshot ; exec select DBID into :dbid from v$database; define topn=10 define inst_no=1 define metric='LOGICAL_READS_DELTA' --- change the value column owner format a15 column object_name format a35 column subobject_name format a30 SELECT owner, object_name, sm AS &metric, round(sm*100/tot,0) AS "% &metric" FROM (SELECT owner, object_name, SUM(metric) AS sm, tot FROM (SELECT owner, object_name, metric, tot FROM (SELECT seg.obj#, SUM(&metric) AS metric FROM dba_hist_seg_stat SEG, dba_hist_snapshot s WHERE s.snap_id = seg.snap_id AND s.instance_number = seg.instance_number -- AND s.instance_number = &inst_no AND s.snap_id >=:bid AND s.snap_id <= :eid GROUP BY obj# ) s, (SELECT SUM(&metric) AS tot FROM dba_hist_seg_stat SEG, dba_hist_snapshot s WHERE s.snap_id = seg.snap_id AND s.instance_number = seg.instance_number --AND s.instance_number = &inst_no AND s.snap_id >=:bid AND s.snap_id <= :eid ) t, dba_objects WHERE object_id = s.obj# ORDER BY 3 DESC ) GROUP BY owner,object_name, tot ORDER BY 3 DESC, 1,2 ) WHERE rownum<=&topn;

Oracle DBA

anuj blog Archive