My guess would be your getting packets dropped at the load-balancer, your test is running through 700 update requests in basically however fast your machine can accomplish it. If y...
If you see this again, I would file a support ticket with details about the calls you're making. Unless the instance is reciving many different calls simultaneously, the endpoint s...
Do you happen to have an example that's loading this slowly? The server-side timeout is well below that, so there may be some issues on the client side unless your requests are tim...
Support can enable complex dedupe rules for you. For example Email Address + Last Name may be a suitable compound key for you. If you're able to determine an additional field along...