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How is adding features a reduction in impedance mismatch just because they are from the same vendor? For example: Redis timeseries is a separate setup - how doe

• node-bayarea 5y ago
  Good question. Redis Timeseries is just a different data structure and works alongside other data structures so it wont add too much Impedance when compared to having different data in different systems. On the other hand, imagine you used Redis for just cache and used TimescaleDB instead. TimescaleDB is based on PostgreSQL, so you need to use a different thought process, different SDK, different commands (SQL), different hosting, different devOps, etc. And for performance purposes, say stored some data in Redis for caching, now you have additional overhead because you need to now manage data in two systems. And let's say TimeScaleDB needs some other adopters to sync the data to Kafka, and Kafka needs Zookeeper, now all of a sudden you have 4-5 systems. The goal of the Impedance impedance mismatch test is to identify such scenarios using a simple calculator and avoid them. In 2021, there are many single systems like Kafka, Redis, Cosmos, etc which can do multiple things way more efficiently. Many of these are OSS projects, so you wont get vendor lock-in.