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MySQL Server Variable: max_connections, Connection_errors_max_connections; Max_used_connections, Threads_connected; Threads_running (Doc ID 1917970.1)

Last updated on AUGUST 24, 2020

Applies to:

MySQL Server - Version 4.0 and later
Information in this document applies to any platform.

Purpose

Give details of how to limit the number of allowed connections and how to monitor the number of connections used.

Scope

Detailed general guidance for DBAs already familiar with the option seeking guidance on how to use it and what problems it can be involved with.

Details

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In this Document
Purpose
Scope
Details
 max_connections
 Connection_errors_max_connections
 Max_used_connections
 Threads_connected
 Threads_running
References

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