Session
Debugging Percona XtraDB Cluster Stall
We have two data centers, each with a Percona XtraDB Cluster. The clusters are loosely coupled via asynchronous replication between their head nodes. Such setup assures geo-redundancy well. However, we found that if the same row is changed in both clusters, one of the clusters can stall because of a replication conflict. We describe how we debugged and resolved the PXC-4318 issue in collaboration with Percona.
![](https://sessionize.com/image/f5d2-400o400o2-6c570472-8894-4864-bf7b-f6b0e0c41c70.jpg)
Sasha Vaniachine
Five9, Inc.
Raleigh, North Carolina, United States
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