Too Long; Didn't Read
AdPushup has served 1.2B+ ad feedback requests and 425M unique impressions per day. The company's in-house system that was designed 2 years ago, had now auto-scaled almost 10x. The journey to develop such a system was a long string of experiments. The team wanted to use the full-fledged Big Data stack — Kafka+Spark+Hive, the whole shebang. But the long-term costing was way too high for an early-stage startup to bear.