The driver was starting a rediscovery process of each acquireConnection causing more load than needed in the cluster. Keeping track of the ongoing requests and use it when possible reduces the load in the process and speeds up the connection acquisition.
The driver was starting a rediscovery process of each acquireConnection causing more load than needed in the cluster. Keeping track of the ongoing requests and use it when possible reduces the load in the process and speeds up the connection acquisition.
Backports #1119