오라클 덤프 oradebug
DB CAFE
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- DBA { Oracle DBA 명령어 > DBA 초급 과정 > DBA 고급 과정 }
- 튜닝 { 오라클 튜닝 목록 }
- 모델링 { 데이터 모델링 가이드 }
-- oracle process attach
select prc.pid
from v$bgprocess bgp
, v$process prc
where bgp.name = 'LGWR'
and prc.addr = bgp.paddr
;
PID
----------
20SQL> oradebug setorapid 20
Oracle pid: 20, Unix process pid: 2977, image: oracle@b4eb0743df57 (LGWR)-- suspend
oradebug suspend-- 다른 세션에서 sql 을 수행하고 commit 을 수행함.
-- commit 작업은 hang에 걸리게 됨. log file sync 대기이벤트를 대기 하게 됨.
-- resume
oradebug resume
SQL> oradebug tracefile_name
/u01/app/oracle/diag/rdbms/mongo/MONGO/trace/MONGO_ora_30886_DBCAFE.trcSQL> oradebug dumpvar sga kcbnchk
boolean kcbnchk_ [060019FD4, 060019FD8) = 00000001SQL> oradebug setmypid
Statement processed.SQL> alter session set use_stored_outlines = rule_based;
Session altered.
SQL> oradebug setmypid
Statement processed.
SQL> oradebug dumpvar uga ugauso_p
qolprm ugauso_p [7F197A4EFC48, 7F197A4EFCD0) = 00000001 5552000A 425F454C 44455341 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ...SGA내 변수 찾기 - x$ksmfsv (Kernel Services Memory Fiexed SGA Variables )[편집]
SQL> select ksmfsnam from x$ksmfsv where ksmfsnam like 'kcbn%'
2 ;
KSMFSNAM
----------------------------------------------------------------
kcbncbh_
kcbnwp_
kcbnbf_
kcbnpg_
kcbnchkl_
kcbnchk_
kcbnumaactive_
kcbnvmenabled_
kcbnbcscv_
9 rows selected.