Kellyn Gorman continues a series on PostgreSQL for the Oracle DBA:
As discussed in an earlier blog post, Oracle groups wait events into wait classes like User I/O, System I/O, Concurrency, Network, Idle, Commit, and more. By grouping wait events into categories, it helps the technologist identify where time is being spent in the database, (DB Time) and as there is often a correlation between waits, identify culprits.
Read on to see how the two systems compare.