I'm looking at replacing 2-node SAN based failover clusters with AlwaysOn in syncronous mode and automatic failover. Many workloads perform sufficiently, but I have one application requirement which does lots of inserts in with relatievly small records counts iteratively. Basically, we create a "template" by inserting 100-1000 records into about 1000 tables... and we create 3000 templates at a time. Doing so takes about twice as long with syncronous replication as it does in async mode. Is this just the nature of the dual commit workload or is there anything I can do to tune for this? I can't find any resource contraint... network is not saturated, disks are not saturated, CPU does increase, but stays below 60% utlization.