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KaiserPro 11 months ago | parent | context | favorite | on: A Distributed File System in Go Cut Average Metada...

The next bit:

> Its metadata engine uses an all-in-memory approach and achieves remarkable memory optimization

Sounds like a fun thing to recover after a crash.

ted_dunning 11 months ago | [–]

They have a blog on that:

https://juicefs.com/en/blog/engineering/increase-performance...

daviesliu 11 months ago | | [–]

This post said another topic: how to backup the metadata of JuiceFS in readable format (JSON) and restore it into an empty database.

daviesliu 11 months ago | [–]

The recover process is similar to what a database does after a crash, it loads the recent snapshot in disk and apply any newer transaction logs.

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