On April 2, 2019 Intel Optane Persistent Memory became the first commercially available storage class memory (SCM). SCM is a storage device that sits on a memory bus; in contrast, traditional storage devices like SSD are attached to the PCIe bus. We were interested how SCM, being much closer to the
We Replaced an SSD with Storage Class Memory. Here is What We Learned.
Source: mongodb.com
Executing a full rewrite of the Dropbox sync engine was pretty daunting. (Read more about our goals and how we made the decision in our previous post here.) Doing so meant taking the engine that powers Dropbox on hundreds of millions of user’s machines and swapping it out mid-flight.
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A passenger opens the app, requests a ride, and just a few minutes later there is a car with a friendly driver in front of them. They may know this driver went through a background check and other vetting; however, many might not realize all the complexity in the on-boarding process. Driver and vehicle requirements vary substantially across markets (and even at very proximate locations) due to varying market dynamics and government regulations.
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In this post, we’re going to take a deeper dive into the Postgres and PostGIS internals to find out how this actually works. By the time we surface you will have a better understanding of the advanced technical capabilities and unparalleled extensibility of Postgres. You’ll also appreciate how the open philosophy of Postgres has fostered a development community whose collaboration over many years has provided powerful features that benefit numerous users.
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