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What Does I/O Latencies and Bytes Mean in the Performance and sys Schemas? (Doc ID 2431707.1)

Last updated on AUGUST 05, 2018

Applies to:

MySQL Server - Version 5.6 and later
Information in this document applies to any platform.

Goal

Understand how to use information obtained from the Performance Schema or the sys schema about I/O latencies and bytes.

Solution

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In this Document
Goal
Solution
 The Tables and Views Involved
 events_waits_summary_global_by_event_name
 table_io_waits_summary_by_table
 file_summary_by_instance
 What to Make of the Values
 Further Reading
References

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