Galera Cluster (Percona XtraDB Cluster) 對寫入熱點的處理方式

Percona 的「Optimizing Percona XtraDB Cluster for write hotspots」這篇說明了在 Galera Cluster 上發生多個 transaction 衝突時的處理方式。


So what are your options with PXC when the workload has write hotspots? The most obvious one is to write on a single node: then you will have the same locking model as with a standalone InnoDB server. Performance will not be as good as with a standalone server as you will have to pay for synchronous replication, but you will avoid the very expensive write conflicts.

講解的文章,對之後 troubleshooting 與 performance tuning 有幫助...

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