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MySQL HeatWave User Guide  /  ...  /  Reloading Data

2.9.9 Reloading Data

Reloading data is recommended in the following cases:

  • After resizing the cluster by adding or removing nodes. Reloading data distributes the data among all nodes of the resized cluster.

  • After a maintenance window. Maintenance involves a DB System restart, which requires that you reload data into HeatWave. On OCI, consider setting up a MySQL HeatWave Service event notification or Service Connector Hub notification to let you know when an update has occurred. For information about MySQL DB System maintenance:

  • When the HeatWave Cluster is restarted due to a DB System restart. Data in the HeatWave Cluster is lost in this case, requiring reload.