The next pieces of information you should be aware of before putting any Lambda-backed solutions into pasture include how to manage execution concurrency and when things go wrong.
Quick definition check: concurrency is invoking the same Lambda function more than once at any given time.
Lambda comes with an out of the box limit of 1,000 concurrent executions per account. While this might seem low, when you have something that is potentially limitless in scale, all you're doing is shifting the performance bottleneck to the next component. There aren't many RDBMS systems that can handle millions of transactions per second, so let's step back and see how we're managing our data, queries, and throughput before raising ...
