Rechercher dans le manuel MySQL

27.4.3.50 The waits_by_host_by_latency and x$waits_by_host_by_latency Views

Contents

These views summarize wait events, grouped by host and event. By default, rows are sorted by host and descending total latency. Idle events are ignored.

The waits_by_host_by_latency and x$waits_by_host_by_latency views have these columns:

  • host

    The host from which the connection originated.

  • event

    The event name.

  • total

    The total number of occurrences of the event for the host.

  • total_latency

    The total wait time of timed occurrences of the event for the host.

  • avg_latency

    The average wait time per timed occurrence of the event for the host.

  • max_latency

    The maximum single wait time of timed occurrences of the event for the host.


Find a PHP function

Document created the 26/06/2006, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/mysql-rf-sys-waits-by-host-by-latency.html

The infobrol is a personal site whose content is my sole responsibility. The text is available under CreativeCommons license (BY-NC-SA). More info on the terms of use and the author.

References

  1. View the html document Language of the document:en Manuel MySQL : https://dev.mysql.com/

These references and links indicate documents consulted during the writing of this page, or which may provide additional information, but the authors of these sources can not be held responsible for the content of this page.
The author This site is solely responsible for the way in which the various concepts, and the freedoms that are taken with the reference works, are presented here. Remember that you must cross multiple source information to reduce the risk of errors.

Contents Haut