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MySQL Enterprise Monitor 8.0 Manual
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5.11 Agent Backlog

The agent backlog is a caching mechanism which stores monitoring data in the event the agent cannot communicate with the MySQL Enterprise Service Manager. The backlog can store 10MB of monitored data in active RAM.

  • Monitoring one MySQL instance: the agent backlog can store up to 40 minutes of monitored data before the backlog cache is filled and data dropped.

  • Monitoring 10 MySQL instances: the agent backlog can store up to 4 minutes of monitored data before the backlog cache is filled and data dropped.