Welcome to the Instagram Engineering Blog, where we share insights on building and scaling our service. Over the past few months, we’ve built two high-performing recommendation services that handle tens of thousands of queries per second and generate tens of millions connections per day. In this blog post, we want to share our experience of scaling these two services using Futures and, most import
![C++ Futures at Instagram](https://cdn-ak-scissors.b.st-hatena.com/image/square/17f57e7e8d5dbbeed2d20b1ed0c1ca080c195c32/height=288;version=1;width=512/https%3A%2F%2F64.media.tumblr.com%2F59e318efcfffa5c5c540641df847fabe%2Ftumblr_inline_nq3qri2E9D1tpy1wo_1280.png)