Moving from Oracle to PostgreSQL means losing one of Oracle’s most-loved diagnostic tools: the Automatic Workload Repository (AWR). The good news? Most of AWR’s core capabilities – snapshot history, wait event sampling, Top SQL analysis, and buffer cache inspection – have direct, open-source equivalents in PostgreSQL.
This guide translates Oracle AWR concepts into practical PostgreSQL diagnostics using extensions like pg_profile, pg_wait_sampling, and pg_stat_statements – complete with runnable SQL you can apply to your own environment today.
As a multi-platform database specialist it’s safe to say that, if there’s one feature from Oracle I would like to migrate to other