DB file parallel read for Oracle wait event

DB file Parallel read

Website Explanation:

This happens during recovery. It can also happen during buffer prefetching, as an optimization (rather than performing multiple single-block reads). Database blocks, need to being changed as part of recovery is read in parallel from the database.

Wait Time: Wait until all of the I/Os is completed

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Explain:

DB file Parallel read This occurs during recovery . It may also occur during buffer prefetching, as optimizations (rather than performing multiple single-block reads). reads the database block in parallel from the database that needs to be changed as part of the recovery.

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DB file parallel read for Oracle wait event