5 ms·
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 cras
by KaiserPro 3y ago
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 3y agoThey have a blog on that: https://juicefs.com/en/blog/engineering/increase-performance-metadata-backup-recovery https://juicefs.com/en/blog/engineering/increase-performance...
- daviesliu 3y agoThis post said another topic: how to backup the metadata of JuiceFS in readable format (JSON) and restore it into an empty database.
- daviesliu 3y agoThe 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.