What is PMON in Oracle architecture?

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Oracle
What is PMON? What is the need of PMON? And how does PMON know the recovery of process?
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From the official documentation on the Oracle Process Architecture:

The process monitor (PMON) monitors the other background processes and performs process recovery when a server or dispatcher process terminates abnormally. PMON is responsible for cleaning up the database buffer cache and freeing resources that the client process was using.

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  • Subhendu Sen
    Perhaps you are in a learning process, as your query indicates. You need to read your study books/ good references for having solid knowledge. However you can link here for more info: https://searchoracle.techtarget.com/answer/Definitions-of-checkpoint-PMON-and-SMON
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