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THE FAILED LOGINS AND THE FAILED LOGINS (HISTORICAL) METRICS ARE EXTREMELY SLOW RESULTING IN HIGH IO AND CPU CONSUMPTION

  SYMPTOMS The Oracle Enterprise Manager Cloud Control 13c Release 3 and The Oracle Management Agent 13c release 3 are used to monitor the Oracle database 12.1.0.1.0. Both The Failed Logins and Failed Logins (Historical) Metric are enabled and execute on a regular base. The Mixed Mode Auditing is enabled…

THE FAILED LOGINS METRIC QUERY IS VERY SLOW BECAUSE OF AUD$ TABLE SIZE

  SYMPTOMS The Oracle Enterprise Manage Cloud Control 13c is used to monitor the Oracle database. The Failed Logins Metric is enabled and by default executed every 30 minutes. The related metric queries with SQL_ID 83jcj6at6ugq3 (12c) and 1c74605ddbvjt (11gR2) are very slow and causes high IO in the monitored…

A LOT OF FALSE ‘Global Cache Blocks Lost’ ALERTS REPORTED BY ENTERPRISE MANAGER CLOUD CONTROL 13C RELEASE 3

  SYMPTOMS When the Oracle Enterprise Manager Cloud Control 13c is used to monitor the cluster database it repeatedly sends ‘Global Cache Blocks Lost‘ alerts every 5 minutes. The alert message looks like EM Event: Warning:GPPRD_GPPRD1 – Total global cache block lost is 15. Host=db-gp01.local Target type=Database Instance Target name=GPPRD_GPPRD1…

STANDARD EM QUERY WITH SQL_ID dx4nqvbtu06bx IS VERY SLOW AND USES LOTS OF TEMPORARY SPACE

  ISSUE The standard recurring query of the Enterprise Manager Cloud Control 13c Release 3 with sql_id dx4nqvbtu06bx is running slow and using huge amount of temporary tablespace while executing in a databases of the release 11.2.0.4. The query dx4nqvbtu06bx is executed every 15-20 minutes. The body of the query…

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