I am migrating from a system running master-slave replication with a master and 5 slave servers. I have set up a cluster with 6 nodes and am replicating from the original master into the new cluster in preparation for switching over to the new cluster. The problem I have is the replication into the …

Are you seeing any flow control issues on your PXC? Are all 5 nodes (that’s unusual, 3 is typical) on the same network? PXC cannot replicate faster than the slowest link between any two nodes. That’s why removing one sped things up. PXC synchronously replicates incoming traffic. All 5 nodes must ACK…

Replicating into cluster is slow

MySQL & MariaDB Percona XtraDB Cluster 5.x

Tom-sl November 17, 2020, 10:49am 5

I made those changes but it seems to be slightly worse now. I will leave it running for a bit and then take some screenshots of PMM. Yes, all InnoDB tables.

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Replicating into cluster is slow

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