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PMON register [message #343681]

Wed, 27 August 2008 16:41

shrinika
Messages: 306
Registered: April 2008

Senior Member

I read the below info from oracle help. I have one question here. Why PMON has to register the DB info every 60 seconds to Listener? Is it not enough if it is registered only first time?

Specify REGISTER to instruct the PMON background process to register the instance with the listeners immediately. If you do not specify this clause, then registration of the instance does not occur until the next time PMON executes the discovery routine. As a result, clients may not be able to access the services for as long as 60 seconds after the listener is started

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Re: PMON register [message #343686 is a reply to message #343681]

Wed, 27 August 2008 16:46

BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal

Senior Member

http://www.orafaq.com/forum/t/88153/0/
Please read & follow posting guidelines as stated in URL above

What happens when the listener restarts after the DB has already registered itself with the listener?

Using your suggested 1st time only when DB starts,
manual intervention would be required after a listener restart.

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Re: PMON register [message #343756 is a reply to message #343681]

Thu, 28 August 2008 01:16

Michel Cadot
Messages: 68666
Registered: March 2007
Location: Nanterre, France, http://...

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Account Moderator

Quote:

Why PMON has to register the DB info every 60 seconds to Listener? Is it not enough if it is registered only first time?

Because a listener can shutdown and restart.

Regards
Michel

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Re: PMON register [message #343972 is a reply to message #343756]

Thu, 28 August 2008 09:16

shrinika
Messages: 306
Registered: April 2008

Senior Member

Thanks Michel.

Thanks anacedent. I am sorry for exceeding more then 80 characters in the line. I will take care this next time. thanks again.

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Re: PMON register [message #344016 is a reply to message #343972]

Thu, 28 August 2008 10:41

Michel Cadot
Messages: 68666
Registered: March 2007
Location: Nanterre, France, http://...

Senior Member
Account Moderator

The 80 characters limit is just when you use code tags as these lines are not automatically fold. You can use the length you want otherwise.

Regards
Michel

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