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Author Topic: [CLOSED] BTC Guild - Pays TxFees+NMC, Stratum, VarDiff, Private Servers  (Read 841429 times)
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slush
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October 19, 2012, 09:28:51 AM
 #1141

Cool, I figured it had to be something beefy to handle the load. I didn't think you would be running that in Python.  Wink

Not so funny. My current Python implementation is able to handle Bitcoin network hashrate on two CPU cores :-P. And as a bonus, it don't segfault at all Wink.

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eleuthria
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October 19, 2012, 09:31:41 AM
 #1142

Cool, I figured it had to be something beefy to handle the load. I didn't think you would be running that in Python.  Wink

Not so funny. My current Python implementation is able to handle Bitcoin network hashrate on two CPU cores :-P. And as a bonus, it don't segfault at all Wink.

Python isn't immune to crashing ;p  And with 600 concurrent users CPU usage never breaks above 3% of one core at peak.  Peak being when it's parsing a getmemorypool output with a large # of transactions, and spitting the work out.

I've been running Stratum for over a month now on the main servers with no crash, and even beta didn't crash after the first week, just restarts to add/speed up features.  I'm pretty surprised it happened now, but hopefully it will happen again and I can backtrace the exact cause and implement a fix shortly after.

R.I.P. BTC Guild, 2011 - 2015.
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eleuthria
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October 20, 2012, 03:09:30 AM
 #1143

I just wanted to give everybody a small update on what new things will be heading to BTC Guild soon.  The Stratum pool is being run in a debugger right now, so the next time it crashes (first one took over a month to happen) the bug that caused it can be swiftly patched.

After the crash bug has been found, I will be working on a special log file that is updated whenever the Stratum pool updates its transactions and sends out new work.  The goal of the update is that at any time, a miner will be able to inspect the full list of all transactions that are a part of the block being created.  As of this time I don't know if the page will be able to provide full details like you would see on blockchain.info (inputs/outputs) or just the transaction hash + raw transaction data.

R.I.P. BTC Guild, 2011 - 2015.
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October 20, 2012, 06:15:02 AM
 #1144

Thanks for all your work!  Guys like you and slush keep the dream alive!

naelr

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eleuthria
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October 24, 2012, 11:42:54 PM
 #1145

The Stratum pool finally crashed again, and I've found the piece of code that caused it.  I'll be working on a fix tonight and hopefully deploy it tomorrow.  Downtime wasn't long, and the pool is back up and running while I work on the fix.


EDIT/UPDATE:  I've restarted the primary stratum server again, with a fix deployed for the crash.  It's going to run in debug mode for the next month, but that shouldn't affect user performance in any way.

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eleuthria
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October 27, 2012, 11:26:03 PM
 #1146

There were 2 unplanned restarts on Stratum today, to do final cleanup on the previous crash bug.  Sorry for the inconvenience, but I wanted to get these fixes out ASAP since I've been pretty sick the last few days and wasn't sure how fast I'd be able to restart the servers if they crashed in the middle of the night.

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eleuthria
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October 29, 2012, 12:57:03 PM
 #1147

The Stratum information page (Stratum Protocol under 'Help and Support) has been updated to be less verbose.  It now talks less about internals of Stratum and more about the general concepts.  Information on how to utilize Stratum is now split into 3 sections: Native Support, Windows Proxy, Python Proxy.

Users who have not recently utilized the Stratum pools will see a link at the top of the page about switching to the new protocol.

R.I.P. BTC Guild, 2011 - 2015.
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eleuthria
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November 03, 2012, 03:27:50 AM
 #1148

The Stratum server will be having a planned reboot on Sunday (November 4th) at noon (Pacific time).  The restart is expected to last approximately 5 seconds.  This should be the last restart prior to the reward being halved at the end of November.

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eleuthria
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November 04, 2012, 06:30:52 AM
 #1149

It's that time of year again in the US.  Daylight Savings Time appears to be providing very funky numbers for Hall of Fame speed estimations/pool speed estimation.  It should return to normal after 2 hours.

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organofcorti
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November 04, 2012, 06:33:21 AM
 #1150

It's that time of year again in the US.  Daylight Savings Time appears to be providing very funky numbers for Hall of Fame speed estimations/pool speed estimation.  It should return to normal after 2 hours.

I was wondering about that 9Thps pool speed Wink

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eleuthria
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November 04, 2012, 06:36:14 AM
 #1151

It's that time of year again in the US.  Daylight Savings Time appears to be providing very funky numbers for Hall of Fame speed estimations/pool speed estimation.  It should return to normal after 2 hours.

I was wondering about that 9Thps pool speed Wink

You weren't the only one wondering!  Saw a couple blocks hit on blockchain.info, thought maybe luck was finally going to turn positive after the 2 month long slump, and saw 9 TH/s!  Then I knew something was wrong because it was saying 8.5 TH/s of it was on the getwork pool ;p.

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November 06, 2012, 02:37:50 AM
 #1152

ok i guess i should just ask this here. I am currently using bamt latest version .5 i think i am woundering if i have to do any updating to it to be able to mine on the pool i pointed my quad miner twords the pool earlyer and it seemed i only mined lightcoins so any help would be much apperciated.

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eleuthria
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November 06, 2012, 02:54:01 AM
 #1153

ok i guess i should just ask this here. I am currently using bamt latest version .5 i think i am woundering if i have to do any updating to it to be able to mine on the pool i pointed my quad miner twords the pool earlyer and it seemed i only mined lightcoins so any help would be much apperciated.

You wouldn't be able to mine litecoins with BTC Guild...sounds like you weren't pointing it here?  You shouldn't have to do anything special to point an FPGA at the pool (I run my Ztex miners with cgminer).

R.I.P. BTC Guild, 2011 - 2015.
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dmcurser
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November 06, 2012, 02:56:33 AM
 #1154

i didnt mean lite i ment name coins
if i look at my user stats it shows accepted share on the name coin side not on the btc side
im a point just my quad miner there in a min i was just asking if the software in bamt needs to be updated or if it was ok to use with your pool
i belive for the miner im using bfgminer progrtam



hmm nvm edit seems to be showing now
but still wanting to know if bamt software is up to date enough lol

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eleuthria
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November 06, 2012, 08:58:47 PM
 #1155

Payouts will be disabled for about 10 minutes after the 1 PM (PST) automatic payout is processed.  I need to replace the wallet.dat which has become so heavily fragmented that roughly 5 payouts per day have been timing out waiting for bitcoind to respond with the txid.  The payments always go through, but it's requiring me to make daily checks to catch any payments missing a txid (and unfreeze the account it affected).

After payouts are restarted, the pool servers will have rolling restarts.  Stratum based servers should only be down for about 2 seconds, getwork pools may take 1-2 minutes.

UPDATE (1:23 PM PST): Servers were all restarted.  The new payout wallet is being refilled with coins from the old wallet.  Automatic payouts will process at 2 PM.  Manual payouts will be re-enabled once the old wallet has been emptied into the new wallet (approx 30 minutes).

UPDATE (1:50 PM PST): Manual payouts are enabled again.  Will be doing some work to make the next switch a bit easier.

R.I.P. BTC Guild, 2011 - 2015.
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iCEBREAKER
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November 07, 2012, 12:01:25 AM
 #1156

I need to replace the wallet.dat which has become so heavily fragmented that roughly 5 payouts per day have been timing out waiting for bitcoind to respond with the txid.  

What about putting wallet.dat on its own partition, for faster/less defrag?

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eleuthria
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November 07, 2012, 12:20:09 AM
 #1157

I need to replace the wallet.dat which has become so heavily fragmented that roughly 5 payouts per day have been timing out waiting for bitcoind to respond with the txid.  

What about putting wallet.dat on its own partition, for faster/less defrag?

It's not hard drive fragmentation.  The wallet continually gets cluttered up by new addresses for change, as well as all the transactions.  It takes a few months, but eventually it becomes unusable.  Not a problem for everyday users, big problem for pools where there are constant payouts.  I could clean it up a little by patching it to always send change back to the original address, but that is only a bandaid in my experience.  The problem will still eventually happen.

R.I.P. BTC Guild, 2011 - 2015.
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eleuthria
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November 08, 2012, 02:01:53 AM
 #1158

I've started a poll regarding Merged Mining (Namecoins).  As I stated recently in slush's thread, the namecoin project feels like it's abandonware.  Very little work has been done since merged mining was released last year, usage is not picking up, and the value of NMC continues to become a smaller and smaller percentage of income.  I'm likely going to drop NMC merged mining and stick purely to BTC unless there is a demand for it to remain available.  In that case, I may setup a special getwork-only enabled server for people who want to continue mining NMC.

R.I.P. BTC Guild, 2011 - 2015.
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dmcurser
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November 08, 2012, 04:47:12 AM
 #1159

just wondering would there be any interest or ability to merge mine light coin?

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eleuthria
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November 08, 2012, 06:00:57 AM
 #1160

just wondering would there be any interest or ability to merge mine light coin?

Litecoin can't be merge mined.  Different algorithm for hashing.

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