Hi!
> For example, you can use proxy device to store hot data only. With
> such strategy new logical blocks (which are always "cold") will always
> go to the main storage (in contrast with Burst Buffers, where new
> logical blocks first get written to the proxy disk). Once in a while
> you need to scan your volume in order to push colder data out, and
> pull hotter data in the proxy disk. Reiser5 contains a common
> interface for this. It is possible to maintain per-file, or even per-
> blocks-extent "temperature" of data (e.g. as a generation counter),
Would it be possible to offer userland interface for this? I can
probably say that mp3/video files should be cold, while some source
files should be hot, etc...
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures)
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
signature.asc
Description: PGP signature
