Title: It seems like there are so many choices in each category that there&#x27;s nothing left to do.<p>I mean things like RDBMS, NoSQL databases, time-series databases, key-value stores, message queue, web servers.<p>I remember many years ago if you were building something you&#x27;d notice the missing solutions and tools because there were things you couldn&#x27;t do easily (like lightweight application-level caching before redis&#x2F;memcached popularity).<p>Nowadays it seems like there&#x27;s nothing missing.
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