PMON Process

From where does PMON gets the informance about failure? How is the user process terminited?

Questions by sundararasu

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aabishkar

  • Sep 28th, 2009
 

When a user process fails or when it is killed, it then cleans up the cache and frees resources that the process used. PMON checks server processes and restarts them if they have failed.

premk

  • Dec 23rd, 2009
 

When user process is terminated abruptly due to power cut or any other factors then oracle database instance goes down then PMON mandatory background process is activated i.e it will then writes the commited data into respective datafiles which we can call this process as rollforward. if the data is not commited then by the action of rollbackword it erases the data from datafiles.

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