After Database upgrade from 10gR1 RAC to 11gR2 RAC performance issue in discoverer login
We identified that slowness in Discoverer login and found the below query as cultprit. Same query completed in second in old system and here taking near about 90 sec.
SELECT R.RESPONSIBILITY_NAME,
R.DESCRIPTION,
R.RESPONSIBILITY_KEY,
A.APPLICATION_SHORT_NAME,
UR.RESPONSIBILITY_ID,
UR.RESPONSIBILITY_APPLICATION_ID,
S.SECURITY_GROUP_ID,
S.SECURITY_GROUP_NAME,
S.SECURITY_GROUP_KEY
FROM APPS.FND_RESPONSIBILITY_VL R,
APPS.FND_APPLICATION A,
APPS.FND_USER_RESP_GROUPS UR,
APPS.FND_USER U,
APPS.FND_SECURITY_GROUPS_VL S,
APPS.FND_DATA_GROUP_UNITS DGU,
APPS.FND_ORACLE_USERID OU
WHERE U.USER_NAME = 'SBHUSHAN'