I/O Insights
Each cluster with version 16 or higher now features a new dashboard called IO Insights.

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I/O Insights

PostgreSQL 16 introduces an exciting enhancement to database monitoring and performance tuning with the pg_stat_io system view.
This feature provides detailed insights into the I/O behavior of PostgreSQL servers. A new dashboard has been introduced, starting from version 16, to facilitate a deeper understanding of I/O insights.