Shachar Shemesh enjoys being rude and wrong. I suggest he install new fuses.
On Fri, May 17, 2013 at 10:05 AM, Shachar Shemesh <shac...@shemesh.biz>wrote: > On 17/05/13 11:43, Oleg Goldshmidt wrote: > > Shachar Shemesh <shac...@shemesh.biz> <shac...@shemesh.biz> writes: > > > On 17/05/13 10:13, Ghiora Drori wrote: > > https://aws.amazon.com/glacier/#highlights > Quote: "Amazon Glacier is designed to provide average annual > durability of 99.999999999% " > > If this is not good enough for you too bad. > > > When you see someone, anyone, saying such a thing, run. As fast and as > far as you can. > > This level of assurance is called "nine nines"(henceforth 9*9). It > amounts to one thousandth of a second of downtime a year. > > I think you are misreading the claim, Shachar. It is not about > availablity, it is about "durability". I read it as a measure of the > probability that your data will not be lost before a year passes. > > You are right that this is not about availability. The previous response > was my fuse jumping because of the pure ludiciority of people claiming 9*9 > availability. After reading the actual text, however, it is not clear what > it is about. > > It is possible that this means that they will lose (on average) ten bits > per Terabyte per year. If that is the case, honestly, this does not sound > very good. Assuming they have several exabytes of customers data, this > means that they have several actual cases of customer data lose all the > time. Not a particularly good track record. > > Or, and this is the more likely scenario, they are talking out of their > asses, and put the number in because it sounds impressive. > > Omer Zak wrote: > > IMO, the quote does not promise a nine nines assurance. > It only says that Amazon Glacier WAS DESIGNED to provide this kind of > assurance. > > See my previous comment for why this is equally ludicrous. > > Shachar > > Disclaimer: I have never used the service and th above is my "common > sense and reading comprehension" take on what is written in the above > website. > > > > -- Mark Twain - "If you don't *read* the newspaper, you're *uninformed*. If you *read* the newspaper, you're *mis*-*informed*."
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