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Author Topic: [40+ PH] SlushPool (slushpool.com); World's First Mining Pool  (Read 3853673 times)
iFA88
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June 03, 2013, 08:55:27 AM
 #9441

Compare this block info:
18339    2013-06-02 14:00:37    2:02:30    19604110    328    0.00000000    239277    25.12461000    95 confirmations left
18331    2013-06-02 04:22:48    2:08:01    19975253    314    0.00046448    239200    25.06660003    18 confirmations left

On 18339 i have stopped the mining on half time, and my previous shares value is 0 ?!
On 18331 i have mined the whole block, but with only one worker.

Thats fair?
Yes, its fair. You completly stopped looking for the block solution, youre shares would be worthless anyway if someone else would not have finished the job you left halfway.
Only for interesting!
When i join only on 1:00:00 to the block and work until the block is founded, example 2:00:00 then i become better reward as i the whole block worked has? (Sorry for grammar)
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June 03, 2013, 09:08:04 AM
 #9442

my rigs can't connect to api2.bitcoin.cz:8332, anyone else having the same issue?

If you have Stratum compatible software (miner) use: stratum.bitcoin.cz:3333



thanks! that works

Don't mention it.

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NoStr0m0
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June 03, 2013, 09:15:35 AM
 #9443

iFA88 , this is because of how the system is set up on this pool: each share gives you a score that slowly falls down if no new shares are submitted. In effect, the shares have a set lifetime; when they "die" so does that little part of the score they brought.

To exemplify, let's forget about the score and only consider the share lifetime.
Let's say a block is found in 10 seconds, and you submit 10 shares, each share 1 second apart:

Code:
Time 0s 1s 2s 3s 4s 5s 6s 7s 8s 9s 10s
Shares 1 2 3 4 5 6 7 8 9 10 Block

We're also going to presume each share has a 'lifetime' of 3s. This is how the system works.
So, this means that if you mine for 2 seconds then stop, you would have 3 shares. However, since the block is found at 10s, those 3 shares will look like this:

Code:
Time 0s 1s 2s 3s 4s 5s 6s 7s 8s 9s 10s
Shares 1 2 3 3 2 1 0 0 0 0 Block

(share 0s dies at second 4, share 1s dies at second 5, share 3s dies at second 6)

So at the end of the shift, when the block is found, you do not have any relevant shares, although you have submitted 3 shares.

The opposite case is when you start mining towards the end of a shift:

Code:
Time 0s 1s 2s 3s 4s 5s 6s 7s 8s 9s 10s
Shares 0 0 0 0 0 0 1 2 3 3 Block
At the end of this shift you would have 2 shares (share 6s would die right as the block was found).


P.S. Any chance we could add an explanation like this to the pool FAQ to avoid having this sort of questions every once in a while?

if by some chance someone has made your day better, feel free to pass it forward:
1P8PHirMoc4uZGT48gLnrUCCj7GSgrRynq
iFA88
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June 03, 2013, 09:20:17 AM
 #9444

iFA88 , this is because of how the system is set up on this pool: each share gives you a score that slowly falls down if no new shares are submitted. In effect, the shares have a set lifetime; when they "die" so does that little part of the score they brought.

To exemplify, let's forget about the score and only consider the share lifetime.
Let's say a block is found in 10 seconds, and you submit 10 shares, each share 1 second apart:

Code:
Time 0s 1s 2s 3s 4s 5s 6s 7s 8s 9s 10s
Shares 1 2 3 4 5 6 7 8 9 10 Block

We're also going to presume each share has a 'lifetime' of 3s. This is how the system works.
So, this means that if you mine for 2 seconds then stop, you would have 3 shares. However, since the block is found at 10s, those 3 shares will look like this:

Code:
Time 0s 1s 2s 3s 4s 5s 6s 7s 8s 9s 10s
Shares 1 2 3 3 2 1 0 0 0 0 Block

(share 0s dies at second 4, share 1s dies at second 5, share 3s dies at second 6)

So at the end of the shift, when the block is found, you do not have any relevant shares, although you have submitted 3 shares.

The opposite case is when you start mining towards the end of a shift:

Code:
Time 0s 1s 2s 3s 4s 5s 6s 7s 8s 9s 10s
Shares 0 0 0 0 0 0 1 2 3 3 Block
At the end of this shift you would have 2 shares (share 6s would die right as the block was found).


P.S. Any chance we could add an explanation like this to the pool FAQ to avoid having this sort of questions every once in a while?
Great example, thank you!
I have one question only, on the 3. example, why die my shares when i work normal?
minerapia
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June 03, 2013, 09:38:47 AM
 #9445

Compare this block info:
18339    2013-06-02 14:00:37    2:02:30    19604110    328    0.00000000    239277    25.12461000    95 confirmations left
18331    2013-06-02 04:22:48    2:08:01    19975253    314    0.00046448    239200    25.06660003    18 confirmations left

On 18339 i have stopped the mining on half time, and my previous shares value is 0 ?!
On 18331 i have mined the whole block, but with only one worker.

Thats fair?
Yes, its fair. You completly stopped looking for the block solution, youre shares would be worthless anyway if someone else would not have finished the job you left halfway.
Only for interesting!
When i join only on 1:00:00 to the block and work until the block is founded, example 2:00:00 then i become better reward as i the whole block worked has? (Sorry for grammar)
Yes, you would get better PPS than the guy who worked whole 2hrs (thought same reward from the block if you have similar hash rate). Thing is that you cannot anyhow guess when the block is found, it can be next minute or it could take 10hrs.
TBH, If you consider fair to be paid from every share, maybe PPS or PPLNS would suit your mining preferences better. Slush's pool is all about 24/7 mining. If you come and go randomly, you won't get good results here.

donations -> btc: 1M6yf45NskQxWXknkMTzQ8o6wShQcSY4EC
                   ltc: LeTpCd6cQL26Q1vjc9kJrTjjFMrPhrpv6j
minerapia
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June 03, 2013, 09:52:19 AM
 #9446

Quote
Great example, thank you!
I have one question only, on the 3. example, why die my shares when i work normal?
Because the number of shares alive gives you the score which says how much you get rewarded when the block is found.
Score pretty much is youre average hash rate near the time when block is found.
If you ask "Why?", Slush just happens to think this is best way to prevent people from cheating (because its impossible to guess when the next block is found)

donations -> btc: 1M6yf45NskQxWXknkMTzQ8o6wShQcSY4EC
                   ltc: LeTpCd6cQL26Q1vjc9kJrTjjFMrPhrpv6j
nottm28
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June 03, 2013, 10:51:02 AM
 #9447

Anyone one else seeing problems with submitted shares.

All workers are still submitting but none of them are being reflected in the accounts page...

donations not accepted
minerapia
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June 03, 2013, 10:52:45 AM
 #9448

Yep, webserver/database not updating (started around 2013-06-03 10:40:00 UTC). Stratums seems to be ok, so no worries.

donations -> btc: 1M6yf45NskQxWXknkMTzQ8o6wShQcSY4EC
                   ltc: LeTpCd6cQL26Q1vjc9kJrTjjFMrPhrpv6j
valladex
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June 03, 2013, 11:00:19 AM
 #9449

Yep, webserver/database not updating (started around 2013-06-03 10:40:00 UTC). Stratums seems to be ok, so no worries.

I think stratum is having problems as well, my last submitted share was 19 minutes ago according to my account page. my score 0.0703 for current round.
Herp-a-derp
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June 03, 2013, 11:04:22 AM
 #9450

Website is offline for me, hopefully Slush is working on it Smiley
ferdyxd
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June 03, 2013, 11:04:51 AM
 #9451

yep, something happens

404 Not Found
desired_username
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June 03, 2013, 11:05:21 AM
 #9452

yep, something happens

404 Not Found

it works for me (main page) and mining works too

On my account this message is displayed:

"mining.bitcoin.cz

Website is under the maintenance, but mining works without an interruption. You can follow updates on Bitcoin forum."
minerapia
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June 03, 2013, 11:07:36 AM
 #9453

Yep, webserver/database not updating (started around 2013-06-03 10:40:00 UTC). Stratums seems to be ok, so no worries.

I think stratum is having problems as well, my last submitted share was 19 minutes ago according to my account page. my score 0.0703 for current round.

Stratum server were submitting work and accepting shares == Stratum servers work, mining continues.

donations -> btc: 1M6yf45NskQxWXknkMTzQ8o6wShQcSY4EC
                   ltc: LeTpCd6cQL26Q1vjc9kJrTjjFMrPhrpv6j
gmerk
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June 03, 2013, 11:08:42 AM
 #9454

Just as our luck was high, everything got fukd...
I assume block 239281 is gone with the wind...

I'm not complaining;
I'm writting these in order to provoke murphy's law, so this outtage proves to be slush correcting this block..
 Grin

Satanic DRKs from outer space...
XhCCj5ozP3MLtS2yBCSajiLqtX2gSU4Gm8
aurel57
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June 03, 2013, 11:18:26 AM
 #9455

Got 10 USB ASIC miners running last night and found my first block here on Slush's pool #239418

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June 03, 2013, 11:21:22 AM
 #9456

site back up but miners not showing as currently mining (for 40 mins ) even though they are.
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June 03, 2013, 11:22:53 AM
 #9457

site back up but miners not showing as currently mining (for 40 mins ) even though they are.

I have the same issue, my last share is 40 minutes ago but all my machines are mining and submitting shares
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June 03, 2013, 11:44:23 AM
 #9458

site back up but miners not showing as currently mining (for 40 mins ) even though they are.

I have the same issue, my last share is 40 minutes ago but all my machines are mining and submitting shares

echoing. same issues. hour+ no shares, but bfgminer shows everythings fine. though it did crash a bit ago... not sure why. wasn't watching it.
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June 03, 2013, 11:46:20 AM
 #9459

site back up but miners not showing as currently mining (for 40 mins ) even though they are.

I have the same issue, my last share is 40 minutes ago but all my machines are mining and submitting shares

echoing. same issues. hour+ no shares, but bfgminer shows everythings fine. though it did crash a bit ago... not sure why. wasn't watching it.

Me as well; I think this is a pool issue.

Edit:

Definitely looks pool related:

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June 03, 2013, 11:56:13 AM
 #9460

I think you will also notice that unconfirmed reword is not changed to confirmed...
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