On Tue, 21 Apr 2015, Russ Cox wrote:
> My paper with Sean Rhea and Alex Pesterev documents the performance
> effect of double-checking the equality in some detail.
> https://www.usenix.org/legacy/event/usenix08/tech/full_papers/rhea/rhea.pdf
Very nice paper. Specialy from chapter 3.
By reading
On Tue, Apr 21, 2015 at 2:30 PM, wrote:
> Does this mean, that Plan9 by default supposes that A=B if hash(A)=hash(B)?
>
Yes.
> That this was not the default before, but it is now?
>
Yes.
> That I still have the possibility of a "full check" of A=B (and not
> supposing
> it after checking ha
Dear Sirs!
I have a question about this old discussion:
http://www.mail-archive.com/9fans@cse.psu.edu/msg17960.html
And about the following answer:
> if you change lump.c to say
>
> int verifywrites = 1;
>
> then venti will check every block as it is written to make
> sure there is no ha
On Thu, Mar 6, 2008 at 6:55 AM, Bruce Ellis <[EMAIL PROTECTED]> wrote:
> Uriel, is this guy just a clueless dick?
Both..?
> Or am I missing a milligram of sense in a mountain of bullshit?
If there is even one atom of sense I certainly have not seen it, the
guy is a hopeless case.
Sorry for the l
It's good to see that nobody is passionate enough to put up $10.
brucee
On Tue, Mar 11, 2008 at 1:10 PM, erik quanstrom <[EMAIL PROTECTED]> wrote:
>
> > erik quanstrom wrote:
> >
> > > that's cause it's 2^80 not 2^60. did i mistype?
> >
> > Thank goodness! Now I can sleep...
> >
> > --
> > Wes K
> erik quanstrom wrote:
>
> > that's cause it's 2^80 not 2^60. did i mistype?
>
> Thank goodness! Now I can sleep...
>
> --
> Wes Kussmaul
maybe not. it's just 1024 times more likely that you will.
- erik
erik quanstrom wrote:
that's cause it's 2^80 not 2^60. did i mistype?
Thank goodness! Now I can sleep...
--
Wes Kussmaul
> And if one day you do get a collision,
> venti will tell you and then you can
tell your grandchildren
On Mon, 10 Mar 2008 15:27:47 EDT erik quanstrom <[EMAIL PROTECTED]> wrote:
> >
> > > brushing off the factor of 2^60 is like brushing off the difference
> > > in weight between a bunch of banannas and the moon.
> >
> > bunch of bananas = ~1kg
> > mass of moon (weight of moon @ earth's sea level)
> The statistician replies that while the odds of being on a plane with
> _one_ bomb are too high for him, the odds of being on a plane with
> _multiple_ bombs are infinitesimal.
probably that explains why Homeland Security always seemed to be on Orange
Alert.
at first i thought it had somethin
>
> > brushing off the factor of 2^60 is like brushing off the difference
> > in weight between a bunch of banannas and the moon.
>
> bunch of bananas = ~1kg
> mass of moon (weight of moon @ earth's sea level) = 7.3477^22 kg
> 2^60 =1,152,921,504,606,846,976 = 1.15etc^18
>
> Oh oh, you'
erik quanstrom wrote:
brushing off the factor of 2^60 is like brushing off the difference
in weight between a bunch of banannas and the moon.
bunch of bananas = ~1kg
mass of moon (weight of moon @ earth's sea level) = 7.3477^22 kg
2^60 =1,152,921,504,606,846,976 = 1.15etc^18
Oh oh, y
This reminds me of a joke:
A man was asked by his neighbor to watch the neighbor's house while he
went away to a conference. The conference was only for one day, but the
neighbor was gone a week. He explained to the man that the extra time was
due to driving there and back. The neighbor, a st
Fine, as long as each node donates $10 :-)
Well actually that isn't needed, as you would need several universes
of disk space (depending on whose estimate you like). brucee writes a
cheque for $10 for polluting 9fans.
Oh the Free Beer Foundation - I drank all the donations.
brucee
On Tue, Mar 1
On Mon, Mar 10, 2008 at 1:06 PM, Bruce Ellis <[EMAIL PROTECTED]> wrote:
> I concur and offer the great venti challenge.
>
> I am willing to personally give $10,000 to the person who experiences
> the first venti collision. (I know it's not a million but call me
> cheap.)
>
> The rules are simpl
I concur and offer the great venti challenge.
I am willing to personally give $10,000 to the person who experiences
the first venti collision. (I know it's not a million but call me
cheap.)
The rules are simple. To enroll in the contest send $10 to charity and
send me a copy of the receipt. First
This topic just isn't worth all the anguish it is causing.
If you are worried about SHA-1 collisions,
turn on the flag that looks for them.
Then you can sleep at night knowing that
all your writes have been collision-free.
And if one day you do get a collision,
venti will tell you and then you c
[redirected to [EMAIL PROTECTED]
> The difference between this and venti (aside from the factor of 2^60
> or whatever it was) is that network/memory/disk errors are either
brushing off the factor of 2^60 is like brushing off the difference
in weight between a bunch of banannas and the moon.
> t
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