Wait occasions present perception into why a session is ready and the assets it’s ready for. Some widespread wait occasions embody:
- db file sequential learn
- db file scattered learn
- latch: cache buffers chains
- log file sync
- library cache: load into buffer
The influence of wait occasions can fluctuate relying on the kind of wait occasion and the period of the wait. Some wait occasions, comparable to db file sequential learn, may be attributable to regular database operations. Different wait occasions, comparable to latch: cache buffers chains, can point out an issue with the database configuration or {hardware}.
