[tahoe-dev] "servers of happiness" Re: MapReduce over Tahoe-LAFS slides from HadoopWorld

David-Sarah Hopwood 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




More information about the tahoe-dev mailing list