When does moving on from MongoDB make the most sense?

The text discusses reasons why some users may choose to move from MongoDB to Aerospike, focusing on performance and scale or cost and efficiencies. It mentions that while MongoDB is effective in many use cases, there are scenarios where it may struggle with scaling predictable latency, high-throughput document stores, and costs. In contrast, Aerospike is designed for these challenges and offers superior throughput with low latencies. The text also provides examples of companies that have migrated from MongoDB to Aerospike and benefited from significant cost savings and improved performance.