| semophores [message #64106] |
Thu, 16 December 2004 00:19  |
Kumar
Messages: 115
Registered: December 1998
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Senior Member |
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HI,
can anyone tell what is semophores and what is the functionality of that in unix in context with oracle...if u provide me detail information,it will be highly appreciated...
Regards
vamsikumar
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| Re: semophores [message #64109 is a reply to message #64106] |
Thu, 16 December 2004 07:41  |
Nino
Messages: 6
Registered: November 2004
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Junior Member |
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Hi,
semaphores in unix are means to control the access to shared computer resources. As you know an oracle instance is composed of multiple processes (dbwn, reco, lgwr...) and a common used memory pool (sga). I can imagine that these processes make use of semaphores to access the sga without conflicting each other.
cheers
Nino
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