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Author Topic: [CLOSED] BTC Guild - Pays TxFees+NMC, Stratum, VarDiff, Private Servers  (Read 828243 times)
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eleuthria
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March 18, 2013, 12:33:55 AM
 #1941

Time to set a minimum difficulty? ... 2, or 4?

Unfortunately I can't do that until I can completely phase out getwork, which is not an option just yet.

R.I.P. BTC Guild, 2011 - 2015.
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March 18, 2013, 12:49:15 AM
 #1942

Time to set a minimum difficulty? ... 2, or 4?

Unfortunately I can't do that until I can completely phase out getwork, which is not an option just yet.
Oh? Vardiff works with getwork also.
Or is it an issue with some other miner programs don't support it?

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eleuthria
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March 18, 2013, 01:04:37 AM
 #1943

Time to set a minimum difficulty? ... 2, or 4?

Unfortunately I can't do that until I can completely phase out getwork, which is not an option just yet.
Oh? Vardiff works with getwork also.
Or is it an issue with some other miner programs don't support it?

My getwork code is extremely old and unsupported (PoolServerJ).  I'm not risking changing difficulty in that only to find out it will let diff-1 shares pass through under certain circumstances.  Getwork will be killed off soon enough as it is.

R.I.P. BTC Guild, 2011 - 2015.
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eleuthria
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March 18, 2013, 05:18:09 AM
 #1944

The scheduled database maintenance is under way.  This shouldn't be very visible, I was able to make a few tweaks that vastly sped up the site performance.  Most of what is going on now is testing some new queries in order to summarize PPLNS raw data once per minute, to avoid the need to delete 6m+ rows from a table that is have new rows inserted into every few seconds.

The expected result is there should be no noticeable slowdown when a shift is closed going forward.  What will happen is shifts will no longer be a sharp cutoff at <X> shares, but a slightly fuzzy number.  Instead of 6,000,000 shares, it might be 6,005,412, and the next one might be 6,012,983.  A slight variance in shares per shift.  However, the calculations for rewards already allow for shifts to be different sizes, and it weights the distribution of the block reward appropriately so that 'N' is the total shares in the last 10 shifts, and each one of those shares is paid equally when a block is distributed among them.


Small Update:  Sorry the website got so slow at times for the last few days.  I noticed it early this week but due to a cold I was afraid to start doing too much work.  I already lost a lot of my BTC from working while too tired, didn't want to lose share information because I made a mistake with SQL queries while sick.

R.I.P. BTC Guild, 2011 - 2015.
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eleuthria
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March 18, 2013, 06:00:03 AM
 #1945

Maintenance completed early!  So far everything looks to be running extremely quickly behind the scenes, and in my spam clicking of different links, it is just as fast for the end user.  I have not been able to observe any significant slowdowns while scripts are running to send idle emails, auto payouts, etc.

R.I.P. BTC Guild, 2011 - 2015.
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March 18, 2013, 02:56:25 PM
 #1946

Not sure if it's related, or just bad luck, but the PPLNS stats show no blocks found in the last 2-3 hours.

edit: In fact, no blocks found in the last 2-3 hours at all - something down?

edit 2: Ah, a new one showed up - guess it's just really bad luck! nevermind Smiley

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March 18, 2013, 04:21:41 PM
 #1947

Time to set a minimum difficulty? ... 2, or 4?

Unfortunately I can't do that until I can completely phase out getwork, which is not an option just yet.
Oh? Vardiff works with getwork also.
Or is it an issue with some other miner programs don't support it?

My getwork code is extremely old and unsupported (PoolServerJ).  I'm not risking changing difficulty in that only to find out it will let diff-1 shares pass through under certain circumstances.  Getwork will be killed off soon enough as it is.
Is this a threat to GPU miners? What will basically happen when Getwork is killed off? Will we simply just all aim to Stratum directly?

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March 18, 2013, 04:49:25 PM
 #1948

Time to set a minimum difficulty? ... 2, or 4?

Unfortunately I can't do that until I can completely phase out getwork, which is not an option just yet.
Oh? Vardiff works with getwork also.
Or is it an issue with some other miner programs don't support it?

My getwork code is extremely old and unsupported (PoolServerJ).  I'm not risking changing difficulty in that only to find out it will let diff-1 shares pass through under certain circumstances.  Getwork will be killed off soon enough as it is.
Is this a threat to GPU miners? What will basically happen when Getwork is killed off? Will we simply just all aim to Stratum directly?

I shouldn't have made it sound like it's happening any day now.  Getwork will be killed off once Stratum represents an overwhelming majority of the pool.  With the ever increasing amount of ASICs on the pool, that probably will be in the next few months.  It won't happen overnight.

When it does happen, the getwork pool will be replaced by an X-Stratum redirect that does not serve any actual work, so it won't break anybody's miners if they still point at 8332 to get redirected to Stratum.

R.I.P. BTC Guild, 2011 - 2015.
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eleuthria
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March 18, 2013, 06:54:54 PM
 #1949

0.8.1 has been deployed on one of the servers that was no longer active in DNS, smooth transition.  I'm preparing to copy the source, compile, and sync the 0.8 client blockchain on all servers over the next few hours, which will be followed by rolling restarts as each Stratum server being quickly restarted in order to move to the newer bitcoind.

R.I.P. BTC Guild, 2011 - 2015.
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eleuthria
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March 18, 2013, 09:10:38 PM
 #1950

Rolling restarts have finished.  Stratum servers are now running 0.8.1 bitcoind.  Getwork will be updated later this evening.


Please note that the network is nearing a planned transition to Version 2 blocks.  Last July the plan was put forward, and once 95% of the last 1,000 blocks are V2, the network will no longer accept V1 blocks.  At this time, BTC Guild's getwork servers cannot generate V2 blocks.  I will be taking time this week to see if there's any way I can push the change into PoolServerJ to keep getwork alive for the transition.  If I cannot, eventually the getwork servers will be forced to be taken offline because they will not be able to generate valid blocks.

R.I.P. BTC Guild, 2011 - 2015.
BTC Guild Forum Thread
keystroke
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March 19, 2013, 05:47:42 AM
 #1951

Rolling restarts have finished.  Stratum servers are now running 0.8.1 bitcoind.  Getwork will be updated later this evening.


Please note that the network is nearing a planned transition to Version 2 blocks.  Last July the plan was put forward, and once 95% of the last 1,000 blocks are V2, the network will no longer accept V1 blocks.  At this time, BTC Guild's getwork servers cannot generate V2 blocks.  I will be taking time this week to see if there's any way I can push the change into PoolServerJ to keep getwork alive for the transition.  If I cannot, eventually the getwork servers will be forced to be taken offline because they will not be able to generate valid blocks.

What % of the last 1000 blocks are V2? When is it estimated V2 will go into full effect?

Edit: Answer, http://blockorigin.pfoe.be/top.php

It looks like if you push that code it will be enough to possibly push the network over to having a supermajority on V2. (I am assuming, perhaps incorrectly, that the V1 / V2 blocks generated by the pool are getwork/Stratum.)

"The difference between a castle and a prison is only a question of who holds the keys."
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March 19, 2013, 05:26:06 PM
 #1952

Wow, what a crazy 24 hours.  Price breaks $50, and BTC Guild goes up another 2 TH/s almost.  I'm going to wait 24 hours to see if this speed settles in (current 24h estimate is 1.6 TH/s lower than current speed), at which point I'm going to work out a plan to break some speed away from BTC Guild.  Nobody wants a pool to get too close to 51% again.

R.I.P. BTC Guild, 2011 - 2015.
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March 19, 2013, 05:50:46 PM
 #1953

eleuthria

sorry to be dense, how do we small timers go about implementing stratum on GUIMiner?

This is not some pseudoeconomic post-modern Libertarian cult, it's an un-led, crowd-sourced mega startup organized around mutual self-interest where problems, whether of the theoretical or purely practical variety, are treated as temporary and, ultimately, solvable.
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March 19, 2013, 05:56:06 PM
 #1954

eleuthria

sorry to be dense, how do we small timers go about implementing stratum on GUIMiner?

I noticed that in the changelog for GUI Miner he mentions support.
https://bitcointalk.org/?topic=3878.0
Quote
Changelog:
20121203
- Update poclbm with bugfix for issue #54

20121118
- Update poclbm to latest miner including Stratum support.
So I would just make sure you are using poclbm as your kernel and you should be good to go.
eleuthria
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March 19, 2013, 06:05:02 PM
 #1955

As BitMinerN8 said, GUIMiner does support stratum with the poclbm kernel (which is the default).

BTC Guild's support page actually has a download to a modified GUIMiner distribution which is designed for BTC Guild use [it cleans out the massive server list and puts in CORRECT servers/descriptions for BTC Guild].  The download on the support page is Stratum enabled.

R.I.P. BTC Guild, 2011 - 2015.
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jojo69
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March 19, 2013, 06:06:22 PM
 #1956

poclbm

so new OpenCL miner right?  I think mine are phoenix now

This is not some pseudoeconomic post-modern Libertarian cult, it's an un-led, crowd-sourced mega startup organized around mutual self-interest where problems, whether of the theoretical or purely practical variety, are treated as temporary and, ultimately, solvable.
Censorship of e-gold was easy. Censorship of Bitcoin will be… entertaining.
eleuthria
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March 19, 2013, 06:13:51 PM
 #1957

poclbm

so new OpenCL miner right?  I think mine are phoenix now

Correct, New OpenCL Miner should be what you're looking for.

R.I.P. BTC Guild, 2011 - 2015.
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March 19, 2013, 06:39:55 PM
 #1958

Wow, what a crazy 24 hours.  Price breaks $50, and BTC Guild goes up another 2 TH/s almost.  I'm going to wait 24 hours to see if this speed settles in (current 24h estimate is 1.6 TH/s lower than current speed), at which point I'm going to work out a plan to break some speed away from BTC Guild.  Nobody wants a pool to get too close to 51% again.

Just turn off getwork.

Ok, I'm kidding.  Ok, half kidding.  Smiley


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eleuthria
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March 19, 2013, 06:41:10 PM
 #1959

Wow, what a crazy 24 hours.  Price breaks $50, and BTC Guild goes up another 2 TH/s almost.  I'm going to wait 24 hours to see if this speed settles in (current 24h estimate is 1.6 TH/s lower than current speed), at which point I'm going to work out a plan to break some speed away from BTC Guild.  Nobody wants a pool to get too close to 51% again.

Just turn off getwork.

Ok, I'm kidding.  Ok, half kidding.  Smiley



That option is actually one I'm considering, since getwork is going to break when v2 hits supermajority anyways.  Updating the getwork pool server coinbasing to generate v2 blocks provded to be a much bigger task than expected, and I'm not sure if it's going to happen at this point.

I'm avoiding being too hasty, because I have a feeling this is a temporary situation.  It appears that right now, BTC Guild has become the "go to" pool for users in China.  Not quite sure how that happened.  As a result, BTC Guild is getting a significant percentage of the currently shipped Avalon users.  As those units hit overseas customers more, it's quite likely that this burst in speed will be leveled out by other pools receiving "their share" of the first generation of ASIC miners.

R.I.P. BTC Guild, 2011 - 2015.
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BitMinerN8
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March 19, 2013, 06:45:46 PM
 #1960

Wow, what a crazy 24 hours.  Price breaks $50, and BTC Guild goes up another 2 TH/s almost.  I'm going to wait 24 hours to see if this speed settles in (current 24h estimate is 1.6 TH/s lower than current speed), at which point I'm going to work out a plan to break some speed away from BTC Guild.  Nobody wants a pool to get too close to 51% again.

Just turn off getwork.

Ok, I'm kidding.  Ok, half kidding.  Smiley



That option is actually one I'm considering, since getwork is going to break when v2 hits supermajority anyways.  Updating the getwork pool server coinbasing to generate v2 blocks provded to be a much bigger task than expected, and I'm not sure if it's going to happen at this point.

Well, killing the getwork pool server(s) would help with your possible 51% issue too right? I guess until those that finally, because they would be forced to, embrace Stratum.  Grin
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