If you need to do bulk importing into InnoDB Cluster, it is certainly possible to do so by using any of:
- mysqldump logical dump
- tab separated dump, exported with SELECT..INTO OUTFILE statement or by using mysqldump with –tab option. And import with LOAD DATA..INFILE
Unfortunately both imports will add load to instances and to channels interconnecting instances: data imported on the primary instance needs to be replicated to the rest of instances. And the bigger the data to import, the higher the load (and this could end up affecting performance). The import operation could be batched to reduce load, and Group Replication allows at least …
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