Re: [zfs-discuss] schedulers [was: zfs related google summer of code ideas - your vote]

2009-03-05 Thread Richard Elling
Nathan Kroenert wrote: Hm - a ZilArc?? Or, slarc? Or L2ArZi I'm tried something sort of similar to this when fooling around, adding different *slices* for ZIL / L2ARC but as I'm too poor to afford good SSD's my resolut was poor at beat... ;) Perfectly predictable. zilstat will show you th

Re: [zfs-discuss] schedulers [was: zfs related google summer of code ideas - your vote]

2009-03-04 Thread Nathan Kroenert
Hm - a ZilArc?? Or, slarc? Or L2ArZi I'm tried something sort of similar to this when fooling around, adding different *slices* for ZIL / L2ARC but as I'm too poor to afford good SSD's my resolut was poor at beat... ;) Having ZFS manage some 'arbitrary fast stuff' and sorting out it's own

Re: [zfs-discuss] schedulers [was: zfs related google summer of code ideas - your vote]

2009-03-04 Thread Bill Sommerfeld
On Wed, 2009-03-04 at 12:49 -0800, Richard Elling wrote: > But I'm curious as to why you would want to put both the slog and > L2ARC on the same SSD? Reducing part count in a small system. For instance: adding L2ARC+slog to a laptop. I might only have one slot free to allocate to ssd. IMHO the

Re: [zfs-discuss] schedulers [was: zfs related google summer of code ideas - your vote]

2009-03-04 Thread Wes Felter
Richard Elling wrote: Wes Felter wrote: proportional scheduling for storage performance slog and L2ARC on the same SSD The current scheduler is rather simple, there might be room for improvements -- but that may be a rather extended research topic. Yes. For GSoC it would probably be wise to

[zfs-discuss] schedulers [was: zfs related google summer of code ideas - your vote]

2009-03-04 Thread Richard Elling
Wes Felter wrote: proportional scheduling for storage performance slog and L2ARC on the same SSD The current scheduler is rather simple, there might be room for improvements -- but that may be a rather extended research topic. But I'm curious as to why you would want to put both the slog and