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MySQL Enterprise Monitor 4.0 Manual  /  ...  /  Database File I/O and Lock Waits

30.2 Database File I/O and Lock Waits

This chapter describes the Database File I/O and Lock Waits reports. These reports identify I/O hot spots and lock wait contention in your application using the sys schema, thereby enabling you to tune the performance of your queries.

Important

The Database File I/O requires the MySQL sys schema, which is supported on MySQL 5.6 and 5.7, only.

Note

This graph is displayed only if a MySQL instance is selected in the All Targets drop-down menu.


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