Upgrade AWS Aurora Cluster MySQL from 5.7 to 8.0

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Hi, I have to upgrade Aurora Cluster MySQL from 5.7 to 8.0, with DMS I can't migrate JSON fields from some table. I try to config external replication, but, after take snapshot and restored to version 8 cluster, when i try to call mysql.rds_set_external_master i get error "Failed purging old relay logs: Failed furing log reset" and start replication doesn't work.

Edit: When one of the AWS command (like mysql.rds_set_external_source) fails or has some problems, all of the similar functions fail with the error above. I solved the situation with rebooting the replica instance.

Marto
asked 2 months ago36 views
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