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Author Topic: [500 GH/s]HHTT -Selected Diff/Stratum/PPLNS/Paid Stales/High Availability/Tor  (Read 52476 times)
Shadow383
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October 07, 2012, 05:55:06 PM
 #141

Stopping payouts is a double-edged sword but I understand your reasoning...

My concern, is users will abandon the pool and then the time to find a block will increase substantially with only 2 singles mining.  At current diff that is just shy of 90 days (assuming 1.6 Gh/s) and we know diff will increase at a crazy pace once ASIC arrives = never finding a block?!?

It would make more sense to allow others to invest in the pool. Create 1000 bonds with a starting face value of 1BTC, valid for one month.
If the pool loses money, those bonds lose value, if the pool makes money, those bonds gain value. With 2% PPS the bonds are probably worth the risk for some investors, and bondholders would have incentive to recommend your pool to others.

Or sell me the code and I'll set it up  Cheesy
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fireduck
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October 07, 2012, 07:43:26 PM
 #142

We just got a block and I threw in the rest of my personal savings so it should be good for a while.

I'll release the code in a little bit.  It isn't anything magical.
JWU42
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October 08, 2012, 11:10:57 AM
 #143

And I found another block  Grin

Now I am feeling unlucky - 150 BTC found for the pool and I have less than 65 BTC to show for it  Cheesy

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Lem
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October 08, 2012, 11:36:49 AM
 #144

Pool offline now.  Sad

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JWU42
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October 08, 2012, 11:39:23 AM
 #145

Back it seems...

And then as soon as i typed this it went down again.  Seems back now (13:22 UTC).

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fireduck
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October 08, 2012, 05:00:30 PM
 #146

Yeah, someone was going awry.  If it happens again I'll start getting drastic on it.

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October 09, 2012, 01:47:45 AM
 #147

looks like something is messed again.  was just checking to see if i should swap back, shows 10 ghash over the last 5m

Dacentec, best deals for US dedicated servers. They regularly restock $20-$25 Opterons with 8-16GB RAM & 2x1-2TB HDD's (ofc, usually lots of other good stuff to choose from).  I did a Serverbear benchmark of one of my $20/mo Opteron (June last year), it's here.  Have had about a half dozen different servers with Dacentec, & none have failed to sustain at least 40MB/s (burst higher). My favorite is a 12-month rent-to-own ZT Systems 2XL5520 16GB 2x2TB SATA for $40/month (got lucky with the 'off-brand', haven't seen a RTO 2xL5520 for under $50/mo since -- at least for monthly contracts).  wholesaleinternet.com has some ancient 2-core intel CPUs @ $10/mo sometimes (I got an Intel Core 2 6300 @ 1.86GHz, with a 250GB HDD with 46000 hours on it, LOL. $20 @ Dacentec is much better, if you can grab one). joesdatacenter.com (same location as Wholesale Internet) also occasionally has specials (or if you don't want to wait, it has an AMD Opteron 170 @ $16/mo).
fireduck
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October 09, 2012, 02:01:19 AM
 #148

Yep, have been hitting the open file limit.  My guess is that either someone is messing with me or a big new user is trying the pool with their several hundred connections.

I've increased max conns and added some tracking to see who is doing this.  Hopefully it is legit (or at least a well operated bot net).

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October 10, 2012, 11:29:43 AM
 #149

OK - I am really hating myself now  Wink

3 blocks found in 3 days (4 total) and I have been paid out less than 80 BTC  Cheesy

Glad the pool is in better financial shape but wishing I was going solo right about now  Grin

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organofcorti
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October 10, 2012, 12:52:17 PM
 #150

Anyone not sure about which difficulty to select can find out how to choose a difficulty that will give you an acceptable variation in average pool hashrate here:

http://organofcorti.blogspot.com.au/2012/10/71-variable-pool-difficulty.html

Bitcoin network and pool analysis 12QxPHEuxDrs7mCyGSx1iVSozTwtquDB3r
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JWU42
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October 10, 2012, 02:24:40 PM
 #151

Looks like I need to put my big brain on before reading that post above...

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organofcorti
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October 10, 2012, 02:27:58 PM
 #152

Looks like I need to put my big brain on before reading that post above...

Or just follow the worked example in part three of the blog post. You don't have to follow the theory to use the tables and work out how much variation in average per minute/hourly/daily hashrate you'll experience.

Bitcoin network and pool analysis 12QxPHEuxDrs7mCyGSx1iVSozTwtquDB3r
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Lem
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October 11, 2012, 11:39:27 AM
 #153

Organofcorti work is awesome, so are his tables.

But, if nothing more than a raw indication is needed, one could use Chebyshev alone: http://en.wikipedia.org/wiki/Chebyshev%27s_inequality

With as little as about 1.35GH/s mining power, I mine with a share-difficulty of 169.

So this is the math.

In one day I find about 1.35GH/s * 24h * 60m * 60s = 116,640,000,000,000 hashes.
In one day, in average, only 116,640,000,000,000 / ( 169 * 2^32 ) =  161 will be accepted. About one share every 9 minutes.

So my Poisson distribution (for a day) will have a mean λ = 161 and also a variance σ² = 161 (of course, in Poisson distribution mean and variance are equal: http://en.wikipedia.org/wiki/Poisson_distribution).

Chebyshev says that:

Pr{ |X-λ| < kσ } >= 1 - 1/k²

Let's choose k=2, so that we can have 75%:

Pr{ |X-161| < 25 } >= 75%

that is:

Pr{ 136 < X < 186 } >= 75%

that is:

Pr{ 0.85λ < X < 1.15λ } >= 75%

So there's and extremely good chance (at least 75%) that my daily earnings will be not less than 85% of my average Smiley - and not more than 115% of my average. Sad

For me it's enough: I didn't know about organofcorti tables, I didn't want to go back to my old statistics books, and so I chose an easy way to know that yes, I can afford 169 difficulty. Smiley

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organofcorti
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October 11, 2012, 11:46:55 AM
 #154

Interesting. I haven't really used Chebyshev's inequality before.

What I did was simple though - I'm just used Poisson quantiles for various lambda at p < 0.025 and p < 0.975 (lower tail) to generate a 95% confidence interval. The rest is just making it into a format that readers can follow.

Now, on to Chebyshev ....


Bitcoin network and pool analysis 12QxPHEuxDrs7mCyGSx1iVSozTwtquDB3r
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JWU42
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October 11, 2012, 01:44:23 PM
 #155

Hey FD - how about a bonus  Wink

i have found 5 blocks for the pool (4 in the last 5 days) and have been paid 89 BTC  Sad

I guess this means I just have to stay on the pool for a long time as this "luck" will revert and I will probably not find a block for 3 weeks but keep earning Tongue



EDIT - seems we found another block today - now almost 62 BTC positive!

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fireduck
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October 11, 2012, 09:50:08 PM
 #156

Rather than doing anything useful I've implemented dynamically stupid colors.

The code is horrible but it actually does a fairly good job.


ShadesOfMarble
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October 11, 2012, 10:52:24 PM
 #157

Your posting style reminds me of the OP of the Mt.Red-Thread Wink

Review of the Spondoolies-Tech SP10 „Dawson“ Bitcoin miner (1.4 TH/s)

[22:35] <Vinnie_win> Did anyone get paid yet? | [22:36] <Isokivi> pirate did!
kwaaak
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October 12, 2012, 02:58:51 PM
 #158

You could make the colour depend on the available pool funds  Cool
fireduck
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October 12, 2012, 03:27:10 PM
 #159

Your posting style reminds me of the OP of the Mt.Red-Thread Wink

I am still on the top donors list there:
https://mtred.com/site/page/view/top.html

For a long time I mined on Mt.Red with a 5% donation.
fireduck
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October 12, 2012, 11:14:23 PM
 #160

Hey FD - how about a bonus  Wink

i have found 5 blocks for the pool (4 in the last 5 days) and have been paid 89 BTC  Sad

I guess this means I just have to stay on the pool for a long time as this "luck" will revert and I will probably not find a block for 3 weeks but keep earning Tongue



EDIT - seems we found another block today - now almost 62 BTC positive!

http://blockchain.info/tx-index/29497887/4b5959577d3e385e8a700ebacba761880317be5b5a33cc3b7cebde55d10db475

I won't be making a habit of it (unless I am very stupid (which has never been disproven))

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