Always-On Node2 Server performace is very slow

I have two node Always-On Configured (sync & Automatic) SQL serves. Node 1 Performance is very good however as soon as failover happens on Node 2 the performace becomes very slow.
Both the server configurations are same.What could be the reason for degradation of the performance of the server?
Thanks!!

Please have a look at these links:
2 Reasons Why Failover Could Be Slow
How to Overcome the Performance Problems with SQL Server AlwaysOn Availability Groups #SQLPASS
You experience slow synchronization between primary and secondary replicas in SQL Server 2012
Saeid Hasani [sqldevelop]

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