Linux Examples

[Edit on 2017-12-11: The Linux examples are outdated now, look at PMDK instead.]

The basic architecture. for exposing persistent memory gives applications a very raw type of access. Applications can load/store directly to the persistence, but then what. What are the interesting problems facing an application developer and what would some solutions look like?

To help describe the issues and potential solutions, we’ve published a set of Linux examples around persistent memory. These examples start with a simple “hello, world!” style program for storing a string in persistent memory, and end with a full binary tree sort example which maintains a consistent tree data structure even in the face of power failure or other types of system interruption. The examples include a mini fault injection framework to illustrate the type of tools that are necessary for demonstrating programs correctly survive system interruption.

While not really useful in a production environment, these examples are educational, and provide a background on how persistent memory is exposed to applications and what the application writer needs to consider before using it. So please check it out and feel free to ask questions, comment on it, or contribute to it. (Scroll down on the GitHub repository page to see the README which contains all sorts of details on the examples.) A good place to send questions or comments is our Google Group.

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