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Author Topic: [CLOSED] BTC Guild - Pays TxFees+NMC, Stratum, VarDiff, Private Servers  (Read 829094 times)
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RetardedMonkey
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May 23, 2013, 07:47:22 AM
 #2421

24 Hour Earnings 0.09421285 from 1.58 estimate.

Really horrible at moment  Cry

RM=6.25^5
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Roland68
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May 23, 2013, 08:00:54 AM
 #2422

It looks like it was a bug in Bitcoin software ... see message from slush pool "21.05.2013
Bug in bitcoind caused many invalid blocks generated in recent hours. Thanks to cooperation with bitcoin developers, a bugfix has been deployed. Pool is now back in normal operation."

You just burned electric power for nothing ...

This is also the problem of the Pool managers (generally young people ...) They roll rapidly new software build and forget the good old sentence (if it's not broken, don't fix it)

the old programmer.
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May 23, 2013, 08:23:17 AM
 #2423

It looks like it was a bug in Bitcoin software ... see message from slush pool "21.05.2013
Bug in bitcoind caused many invalid blocks generated in recent hours. Thanks to cooperation with bitcoin developers, a bugfix has been deployed. Pool is now back in normal operation."

You just burned electric power for nothing ...

This is also the problem of the Pool managers (generally young people ...) They roll rapidly new software build and forget the good old sentence (if it's not broken, don't fix it)

the old programmer.

As I understand it, the issue was high CPU usage on bitcoind leading to invalid *shares*, not actually invalid *blocks*. Or was there another issue I missed? Here's slush's post from the slush pool thread:

I've detected problems in bitcoind 0.8.1 where high number of transactions in memory pool caused 100% CPU load on the pool server. Because of this, submitting of new blocks were delayed for tens of seconds and caused high invalid rate.

Sipa (the bitcoin developer) implemented fix for this problem (https://github.com/bitcoin/bitcoin/pull/2677) which I just tested and implemented to the pool server. I'm watching the pool closely, but the CPU load dropped from 100% back to 2-3%, so everything looks fine so far...

http://mithrandi.net/blog/ -- Tips accepted at 1JJtojxeS5MLiP4zV6cb2eXaQiGghethjS
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May 23, 2013, 09:07:21 AM
 #2424

With the utmost respect for your expertise and knowledge, I have to ask..  Are you positive this is not a glitch in the system somewhere? The mathematical improbabilities of this happening are getting very large.

Double posting just because I've been staring at this for so long that I'm actually feeling like I'm going through depression.  But thinking more clearly:

Just a few days ago, we had some VERY good luck.  A day or two before that, we had almost 20 hours straight of having shifts end between 10 and 60% above PPS.  Absolutely NOTHING has changed on the servers since that time aside from rolling the one server (which only has ~7% of the pool speed) back to 0.8.1 from 0.8.2.  So for it to be a software glitch causing the unusual bad luck we're having right now, you would have to expect that we should have had -even better- than that luck just a few days ago.

This is true, I remember that several days ago I had a 50% more payout day from a serial of shifts that contained more than 25 blocks, now it's pay back time  Tongue

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May 23, 2013, 09:28:24 AM
 #2425

Luck or not luck, I see some really difference for at least the last week in total  Sad

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May 23, 2013, 10:05:01 AM
 #2426

there we go 4 consecutive blocks, that might erase the deficit a little

accepting donations, thank you!
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May 23, 2013, 04:28:31 PM
 #2427

there we go 4 consecutive blocks, that might erase the deficit a little

Yup, I'm seeing payouts on PPLNS are better now then they have been past couple days.

BTC: 1Chorizo6WNabZxVfQyGtvF4JiRt7Hexxb
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May 23, 2013, 08:29:35 PM
 #2428

I've fixed a bug that was affecting users that have NMC displayed.  Due to changes in how PPLNS shifts are recorded/cleaned up, and an oversight on the Dashboard, users with NMC displayed were seeing their 'Current Shares' stat reset constantly.  This didn't actually affect their shares being included on PPLNS, it was just an error in displaying the shares in the current shift until it was completed.

This bug has been around a while, but probably wasn't noticed/reported due to the fact that until recently it was not possible to merged mine with PPLNS as the payment method.


As an aside:  Yay for blocks getting solved!

R.I.P. BTC Guild, 2011 - 2015.
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elchorizo
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May 23, 2013, 09:45:29 PM
 #2429

I've fixed a bug that was affecting users that have NMC displayed.  Due to changes in how PPLNS shifts are recorded/cleaned up, and an oversight on the Dashboard, users with NMC displayed were seeing their 'Current Shares' stat reset constantly.  This didn't actually affect their shares being included on PPLNS, it was just an error in displaying the shares in the current shift until it was completed.

This bug has been around a while, but probably wasn't noticed/reported due to the fact that until recently it was not possible to merged mine with PPLNS as the payment method.


As an aside:  Yay for blocks getting solved!

Wow, I didn't even know you supported NMC mining. This is the first I've heard of it and sure enough I check my settings page and I see the NMC stuff there. Didn't notice it was even there last time I was in the interface.

Perhaps updating the FAQ or something might be in order? I see no mention of it anywhere else on the site Sad

BTC: 1Chorizo6WNabZxVfQyGtvF4JiRt7Hexxb
LTC: Lchorizoy8ck7Arbby8LDnw5wAmi8h6Hzb
eleuthria
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May 23, 2013, 10:00:33 PM
 #2430

I've fixed a bug that was affecting users that have NMC displayed.  Due to changes in how PPLNS shifts are recorded/cleaned up, and an oversight on the Dashboard, users with NMC displayed were seeing their 'Current Shares' stat reset constantly.  This didn't actually affect their shares being included on PPLNS, it was just an error in displaying the shares in the current shift until it was completed.

This bug has been around a while, but probably wasn't noticed/reported due to the fact that until recently it was not possible to merged mine with PPLNS as the payment method.


As an aside:  Yay for blocks getting solved!

Wow, I didn't even know you supported NMC mining. This is the first I've heard of it and sure enough I check my settings page and I see the NMC stuff there. Didn't notice it was even there last time I was in the interface.

Perhaps updating the FAQ or something might be in order? I see no mention of it anywhere else on the site Sad

NMC merged mining is still only available on one getwork server (mergedmining.btcguild.com:8332).  I've purposely hid it in the past because I want to get rid of getwork.  Recently I have given *some* thought to adding merged mining of the various altcoins that support it, but too early to tell.  I've been getting bit by the coding bug recently, and last time that happened I created a new mining protocol+pool server...then replaced that mining protocol with Stratum to avoid a protocol war.

R.I.P. BTC Guild, 2011 - 2015.
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elchorizo
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May 23, 2013, 10:30:07 PM
 #2431

NMC merged mining is still only available on one getwork server (mergedmining.btcguild.com:8332).  I've purposely hid it in the past because I want to get rid of getwork.  Recently I have given *some* thought to adding merged mining of the various altcoins that support it, but too early to tell.  I've been getting bit by the coding bug recently, and last time that happened I created a new mining protocol+pool server...then replaced that mining protocol with Stratum to avoid a protocol war.

If the normal stratum server supported it I think that would be awesome!

BTC: 1Chorizo6WNabZxVfQyGtvF4JiRt7Hexxb
LTC: Lchorizoy8ck7Arbby8LDnw5wAmi8h6Hzb
jdany
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May 23, 2013, 10:57:45 PM
 #2432

I've fixed a bug that was affecting users that have NMC displayed.  Due to changes in how PPLNS shifts are recorded/cleaned up, and an oversight on the Dashboard, users with NMC displayed were seeing their 'Current Shares' stat reset constantly.  This didn't actually affect their shares being included on PPLNS, it was just an error in displaying the shares in the current shift until it was completed.

This bug has been around a while, but probably wasn't noticed/reported due to the fact that until recently it was not possible to merged mine with PPLNS as the payment method.


As an aside:  Yay for blocks getting solved!

I got a sense that you were stressing over the lack of production last night. 
Thanks for the effort you put in.
It's appreciated.
eleuthria
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May 23, 2013, 11:08:21 PM
 #2433

I'm doing some background work right now.  Back in June of 2012, I "pruned" the database of users that hadn't logged in since the change to PPS.  Since then, user accounts and pool workers have mostly been accumulating rapidly for almost a year.  Many accounts have not logged in since early 2012.

I'm currently in the process of pruning the database of any users who have not logged in for 1 year.  This is a complete removal from all active database tables.  A full backup was done prior to starting this obviously.  The criteria for being pruned is as follows:

1) The account has not been logged into for 12 months.
2) The account has not had any mining done for 6 months.
Both of these must be true for an account to be pruned.

My hope is this will speed up certain scripts, specifically the graph generation script and the automatic payouts.  Users who try to log in after their account has been pruned will receive a notice of what happened, and told to email me to begin an account restoration.  All data being removed is fully recoverable if the user ever decides to return.

R.I.P. BTC Guild, 2011 - 2015.
BTC Guild Forum Thread
dogie
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May 24, 2013, 12:01:39 AM
 #2434

I'm doing some background work right now.  Back in June of 2012, I "pruned" the database of users that hadn't logged in since the change to PPS.  Since then, user accounts and pool workers have mostly been accumulating rapidly for almost a year.  Many accounts have not logged in since early 2012.

I'm currently in the process of pruning the database of any users who have not logged in for 1 year.  This is a complete removal from all active database tables.  A full backup was done prior to starting this obviously.  The criteria for being pruned is as follows:

1) The account has not been logged into for 12 months.
2) The account has not had any mining done for 6 months.
Both of these must be true for an account to be pruned.

My hope is this will speed up certain scripts, specifically the graph generation script and the automatic payouts.  Users who try to log in after their account has been pruned will receive a notice of what happened, and told to email me to begin an account restoration.  All data being removed is fully recoverable if the user ever decides to return.

Obviously I don't believe you're doing anything remotely negative, but how are you handling inactive accounts with balances?

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May 24, 2013, 12:04:37 AM
 #2435

Obviously I don't believe you're doing anything remotely negative, but how are you handling inactive accounts with balances?

All the data is still in place if the user ever returns.  Users have come back after over a year of inactivity and found hundreds (or thousands) of dollars worth of coins waiting for them.  Forcing payouts to the last address on file has been suggested in the past, my only concern about that is that for inactive accounts, a SIGNIFICANT number of users back then were using e-wallet services or one-time exchange addresses.  As a result, these addresses simply can't be accessed by the actual owner of the account anymore (theft/stolen/no longer valid).

My policy so far has been that if BTC Guild ever needs to close its doors, I will leave the site open at least 6 months in a withdrawal-only mode for users to reclaim whatever was left in the accounts.  A withdrawal-only website would not be costly to keep online for quite some time.

R.I.P. BTC Guild, 2011 - 2015.
BTC Guild Forum Thread
organofcorti
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May 24, 2013, 12:10:04 AM
 #2436

Obviously I don't believe you're doing anything remotely negative, but how are you handling inactive accounts with balances?

All the data is still in place if the user ever returns.

Pretty sure I had an account for ohhhh, must have been a few hundred btc at least Grin

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eleuthria
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May 24, 2013, 12:13:13 AM
 #2437

Obviously I don't believe you're doing anything remotely negative, but how are you handling inactive accounts with balances?

All the data is still in place if the user ever returns.

Pretty sure I had an account for ohhhh, must have been a few hundred btc at least Grin

There was one user that came back to an account of 80~90 BTC during the >$100 rally.  I bet that made them pretty happy Smiley.

R.I.P. BTC Guild, 2011 - 2015.
BTC Guild Forum Thread
dogie
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May 24, 2013, 12:44:02 AM
 #2438

Obviously I don't believe you're doing anything remotely negative, but how are you handling inactive accounts with balances?

All the data is still in place if the user ever returns.  Users have come back after over a year of inactivity and found hundreds (or thousands) of dollars worth of coins waiting for them.  Forcing payouts to the last address on file has been suggested in the past, my only concern about that is that for inactive accounts, a SIGNIFICANT number of users back then were using e-wallet services or one-time exchange addresses.  As a result, these addresses simply can't be accessed by the actual owner of the account anymore (theft/stolen/no longer valid).

My policy so far has been that if BTC Guild ever needs to close its doors, I will leave the site open at least 6 months in a withdrawal-only mode for users to reclaim whatever was left in the accounts.  A withdrawal-only website would not be costly to keep online for quite some time.

What you could do after the 6 months is use all the accounts with balance to slowly fund the site. So if there is 1k in the pot, start drawing from that equally from the accounts.

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May 24, 2013, 02:06:28 AM
 #2439

24 Hour Earnings 2.13960759 on 2.43 theoretical, moving up quite fast. Looks like its recovering.

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May 24, 2013, 02:14:11 AM
 #2440

24 Hour Earnings 2.13960759 on 2.43 theoretical, moving up quite fast. Looks like its recovering.

Yep.  Like I've said in the past, 24-hour earnings with PPLNS is time-delayed ~6 hours due to the mature time on PPLNS.  Actually, it's closer to a 10-hour delay now that ASICMINER is moving more into solo mining.  Still very short (shorter than any other PPLNS pool I think).  Luck did bounce back fairly well, though we're still going to need more of this type of luck to make up for the negative trend the pool has been on.


Very likely going to get into merged mining testing next weekend.  If I can figure out a good way to implement it in the pool software, I will probably go with multiple altcoins similar to what bitparking does.  Hopefully that will keep people excited even when luck is sour.

R.I.P. BTC Guild, 2011 - 2015.
BTC Guild Forum Thread
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