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Dev tools · June 30, 2023

ram-dl – A tool to download more RAM written in Go

Hi HN! I've built ram-dl, a tool that allows you to upload and download RAM to/from your system. Run `ram-ul` to upload RAM, and `ram-dl` to download it. Well, sort of :P It works like this: 1. Starting a go-nbd server and client locally with r3map's Device API 2. Connecting the NBD server to a remote fRPC[1] backend provided by ram-ul 3. Calling mkswap, swapon and swapoff, which enables paging out to the block device provided by the NBD client and thus to the connected remote fRPC backend. Its mostly intended as a tech demo for go-nbd[2] and the WIP r3map[3] library (efficient…

ram-dl – A tool to download more RAM written in Go launched on June 30, 2023 with 13 votes, #1,633 of 4,655 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 3 years on.

In plain words

Ram-dl is a Go-based tool that enables users to extend their system's memory by uploading and downloading RAM to and from remote systems. It works by establishing a local NBD server and client that connects to a remote backend, then configures the system to page memory to this remote block device. The tool functions primarily as a technical demonstration of the go-nbd library and the r3map distributed memory-mapping library, rather than a production solution.

written from the facts on this page · September 2026

From the sources

A tool to download more RAM (yes, seriously!). Contribute to pojntfx/ram-dl development by creating an account on GitHub.

In the maker’s words, at launch

Hi HN! I've built ram-dl, a tool that allows you to upload and download RAM to/from your system. Run `ram-ul` to upload RAM, and `ram-dl` to download it. Well, sort of :P It works like this: 1. Starting a go-nbd server and client locally with r3map's Device API 2. Connecting the NBD server to a remote fRPC[1]…

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