Node has dropped from cluster error in Galera Cluster
Kedar
Recently I noted a strange MySQL replication error in a Percona XtraDB Cluster (PXC) node replicating from a standard MySQL instance. “Node has dropped from cluster”. This is a quick blog…
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Percona XtraDB Cluster
4 posts
How to fix Percona XtraDB Cluster 8.0 Upgrade issues
Are you planning an upgrade for your Percona XtraDB Cluster (PXC)? Upgrading to PXC 8.0 can be a smooth process, but sometimes challenges arise that require careful troubleshooting. In this…
MySQL to Galera Cluster Migration, Deadlock, Back to basics
This post is a lab experiment learning from migration to the Percona Xtradb Cluster (Galera) and a very unexpected DEADLOCK scenario which took me back to basics. (root@localhost) [test]>insert into…
Debugging Percona Xtradb (Galera) Cluster node startup / SST errors
A Percona Xtradb (Galera) Cluster node may fail to join it due to many possible mistakes causing SST to fail. It could be a configuration item or purely setup requirement. In this article we will be troubleshooting step by step the SST issues faced.