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What Are Heartbeats and What Causes Missed Heartbeats In MySQL Cluster? HeartbeatIntervalDbDb; HeartbeatIntervalDbApi; HeartbeatOrder; HeartbeatIntervalMgmdMgmd (Doc ID 2034770.1)

Last updated on MARCH 24, 2020

Applies to:

MySQL Cluster - Version 7.1 and later
Information in this document applies to any platform.

Purpose

Give details of how heartbeats works in MySQL Cluster, how to configure them, and what can cause them to be missed.

Details

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In this Document
Purpose
Details
 The Purpose of Heartbeats and How They Work
 Configuration Options
 [ndbd]
 [ndb_mgmd]
 Considerations When Choosing The Heartbeat Interval
 What Causes Missed Heartbeats
References

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