Database Tuning (MOSC)

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latch wait events

edited Jul 10, 2015 5:47AM in Database Tuning (MOSC) 3 commentsAnswered ✓

Hi ,

can you help me with this question ?

What are three possible causes for the latch-related wait events (latch shared pool & latch row cache objects)?

A. The size of the shared pool is too small.

B. Cursors are not being shared.

C. A large number COMMITS are being performed.

D. There are frequent logons and logoffs.

E. The buffers are being read into the buffer cache, but some other session is changing the buffers.

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http://docs.oracle.com/database/121/TGDBA/pfgrf_instance_tune.htm#TGDBA024

these events could be happened when (A & , could you help me please to find the right answer.

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