Re: Three tier cache setup

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Not supported at the moment, but it is in the eventual plans and I
think some of the code has been written such that it will help
facilitate the development.
- ----------------
Robert LeBlanc
GPG Fingerprint 79A2 9CA4 6CC4 45DD A904  C70E E654 3BB2 FA62 B9F1


On Wed, May 20, 2015 at 10:06 PM, Reid Kelley  wrote:
> Could be a stupid/bad question; is a three tier cache/mid/cold setup supported?  Example would be:
> 1. Fast NVME drives —> (write-back)—> 2. Mid grade MLC SSD for primary working set —>(write-back)—> 3. Super-Cold EC Pool for cheapest-deepest-oldest data
>
> Theoretically, that middle tier of quality consumer or lower end enterprise SSDs would be cost effective to scale to a large, replicated size, while still maintaining fast performance.  NVME could absorb heavy writes and fastest interaction, with the EC pool scaling behind it all.
>
> Thanks
>
>
>
> _______________________________________________
> ceph-users mailing list
> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

-----BEGIN PGP SIGNATURE-----
Version: Mailvelope v0.13.1
Comment: https://www.mailvelope.com
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=o9hn
-----END PGP SIGNATURE-----
_______________________________________________
ceph-users mailing list
ceph-users@xxxxxxxxxxxxxx
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com





[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux