[c4pt0r]

In large-scale metadata scenarios, JFS recommends using a distributed key-value store to host metadata, such as TiKV or FoundationDB. Based on my experience with large JFS users, most of them choose TiKV.

Disclaimer: I'm the co-founder of TiKV.

[suavesu]

Truth. It supports very large volume, more than 100PiB and 10B files in a single volume.

Disclosure: I'm co-founder of JuiceFS