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It's not exactly new, development started in 2006. https://lwn.net/Articles/211246/ https://lwn.net/Articles/211246/ dm-cache is the project Facebook's flashc
by sciurus 14y ago
It's not exactly new, development started in 2006.
https://lwn.net/Articles/211246/ https://lwn.net/Articles/211246/
dm-cache is the project Facebook's flashcache is based on.
https://github.com/facebook/flashcache https://github.com/facebook/flashcache
I'm not sure if there's ongoing work to merge dm-cache or flashcache into the upstream linux kernel. With bcache there is.
http://www.redhat.com/archives/dm-devel/2012-July/msg00155.html http://www.redhat.com/archives/dm-devel/2012-July/msg00155.h...
- black_kiwi 14y agoYes, dm-cache is not new, but it just had a major new release. It now has a feature to allow many vms to share one cache. I can't speak for the flashcache team, but I do know that one goal of the dm-cache team is to get it into the upstream for the linux kernel(I know this b/c I worked with dm-cache team last year).
- sciurus 14y agoThat's great to know! Hopefully one of these projects will make it into the kernel soon, since this is obviously a very useful feature.