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Whenever the master's binlog is updated with an event, the waiting for heartbeat sending condition gets reset. If `val' is zero no hearbeats will be sending.

2014/5/22 -MASTER_HEARTBEAT_PERIOD sets the interval in seconds between replication heartbeats. Whenever the master's binary log is updated with an event, ...

pt-heartbeat is a two-part MySQL and PostgreSQL replication delay monitoring system that measures delay by looking at actual replicated data. This avoids ...

2022/7/28 -We've been measuring MySQL replication lag with heartbeats for more than a decade. It works, but can we do better? Let's see.

TESTED PROPERTIES ========================== P1. Each value for master_heartbeat_period should work according to the manual. P2. Heartbeats should be sent ...

To address this, the heartbeat process involves writing an insert or update to a heartbeat table every 1 second to generate a change event.

The heartbeat program allows two machines to share a high availability address. Each machine has its own normal IP address used to administer the machine.

The replication heartbeat information shown in the Performance Schema replication tables lets you check that the replication connection is active even if the ...

First we'll need to choose few subnets for the MySQL replications and for the HAProxy with Heartbeat, better separate them and if your server have a few network ...

– If the master is idle but we see the number of received heartbeats increasing, then the connection is not down. – If the master is idle but we don't see ...