Re: [bailey-developers] lattice master

[Ning L. <nin...@gm...>]

On Fri, Feb 29, 2008 at 5:18 PM, Doug Cutting <cu...@ap...> wrote:
> Ning Li wrote:
>  > I think this is how it works with replication=3:
>  > Node A serves range A-D, node B serves range B-E, node C serves range C-F...
>  > Node C syncs with nodes A & B on range C-D, syncs with nodes B and D
>  > on range D-E, and syncs with nodes D & E on range E-F.
>
>  You've switched to counter-clockwise replication, but I think that's

Oops, I always used clockwise replication. :)

>  generally more intuitive anyway.  I also think of syncing as directional
>  and pulled, not pushed.  So I think I'd state it (equivalently) as:
>
>  C syncs C-D from A, C-E from B, D-F from D, and E-F from F.

It's not node F, but node E:
C syncs C-D from A, C-E from B, D-F from D, and E-F from E.

>  In other words, from each host it overlaps it syncs the overlapping
>  range.  Numbers might be simpler:
>
>  X has X to X+1 and syncs:

It should be "X has X to X+3 and syncs".

>    X   to X+1 from X-2
>    X   to X+2 from X-1
>    X+1 to X+3 from X+1
>    X+2 to X+3 from X+2

The rest looks correct.

Ning