[tahoe-dev] "servers of happiness" Re: MapReduce over Tahoe-LAFS slides from HadoopWorld
david-sarah at jacaranda.org
Thu Oct 15 07:02:49 UTC 2009
Kevan Carstensen wrote:
> On 10/13/09 6:23 AM Zooko Wilcox-O'Hearn <zooko at zooko.com> wrote:
>> What do you think -- is this measure of "health" a good enough
>> measure for the purposes of ticket #778?
> I think that your intuition of health is also covered by the current
> design of #778 -- that is, a mechanism that doesn't declare an upload
> successful unless
> 1. Shares from the file went to at least h peers, and
> 2. Any k of the h peers are sufficient to reconstruct the file.
Sorry to nitpick, but there's an ambiguity here: any k of *which* h peers?
Or do you mean:
2. Any k of the peers to which shares went are sufficient to
reconstruct the file.
David-Sarah Hopwood ⚥ http://davidsarah.livejournal.com
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