And Why Are These Important ?

1.	And Why Are These Important ?
Answer» Monitor impact on system’s CPU: Instance sys vcpu + Instance user vcpu Locks requests / waits Active locks Monitor impact on system’s storage (IO) / memory: Buffer reads / writes / waits Page reads / writes / Disk reads / writes LOGICAL contention: lock requests / waits deadlocks EVENTUALLY rollbacks Monitor instance health & status Dbspaces TOTAL / used / free SPACE Checkpoint intervals & duration Sequential scans number Number of not yet backup-ed logical logs Number of active sessions And of course the instance ONLINE log.

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