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Author Topic: [1050 TH] BitMinter.com [1% PPLNS,Pays TxFees +MergedMining,Stratum,GBT,vardiff]  (Read 835584 times)
juhakall
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December 02, 2012, 11:08:00 PM
Last edit: December 03, 2012, 12:46:05 AM by juhakall
 #2161

Thanks for testing, guys! Just restarted with some tweaks to var diff and logging, and fixed the stats issue.

Testing continues. Let me know if you have any issues at all on the test port. So far things are running very well and I'm considering setting this up on the main port very soon.

I forgot to mention the new version also has some decent reduction in CPU usage. It will be interesting to see the effect all these changes will have on CPU usage and reject rates.


Running good here.  One thing I'm seeing is the server can't seem to decide what difficulty to give.  Largest miner is ~2.6GH/s.  At startup, it's on difficulty 2.  Then it switches to 1.  Then it switches back to 2.  Right now it's on one.

I'm also confused why cgminer is submitting shares that are under difficulty.

M

It's changing between 2 and 4 for me. Reject rate is ~1.5% ~1.9%.

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December 02, 2012, 11:33:53 PM
 #2162

Worth revisiting the stratum vardiff discussion and conclusions over the next 4 pages of forum starting here:
https://bitcointalk.org/index.php?topic=28402.msg1357099#msg1357099

Developer/maintainer for cgminer, ckpool/ckproxy, and the -ck kernel
2% Fee Solo mining at solo.ckpool.org
-ck
juhakall
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December 03, 2012, 01:43:14 AM
 #2163

Rewards page isn't working correctly anymore, it seems to assume a 50 BTC block reward for the expected average.

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December 03, 2012, 10:00:32 AM
 #2164

Thanks for testing, guys! Just restarted with some tweaks to var diff and logging, and fixed the stats issue.

Testing continues. Let me know if you have any issues at all on the test port. So far things are running very well and I'm considering setting this up on the main port very soon.

I forgot to mention the new version also has some decent reduction in CPU usage. It will be interesting to see the effect all these changes will have on CPU usage and reject rates.

Please add stratum to the main port.  I miss the statistics. Sad

M

I mine at Kano's Pool because it pays the best and is completely transparent!  Come join me!
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December 03, 2012, 07:31:14 PM
 #2165

Running good here.  One thing I'm seeing is the server can't seem to decide what difficulty to give.  Largest miner is ~2.6GH/s.  At startup, it's on difficulty 2.  Then it switches to 1.  Then it switches back to 2.  Right now it's on one.
It's changing between 2 and 4 for me. Reject rate is ~1.5% ~1.9%.

Yes, some users will be on the boundary between two difficulties. This currently gives a lot of rejects in cgminer. But they do no harm and they will disappear in a later cgminer version when it starts using the new stratum way of handling difficulty.

Stratum was recently changed to better handle changing difficulty. We'll have to expect it can take some time before everyone have changed their implementations.

Rewards page isn't working correctly anymore, it seems to assume a 50 BTC block reward for the expected average.

Oops, will look into this.

Please add stratum to the main port.  I miss the statistics. Sad

Coming right up.

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December 03, 2012, 08:36:41 PM
 #2166


Stratum on the main port looks good so far with cgminer 2.9.5,

In case anyone is wondering why cgminer is still showing LP you have to restart it before it detects the stratum

Congrats on the upgrade Doc!
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December 03, 2012, 08:48:42 PM
 #2167

All the new changes are now live on the regular ports. Testport has shut down for now.

Variable difficulty ("var diff") settings: minimum 1, maximum 16, and default at 2 when your hashrate is unknown. The maximum will be increased when ASICs come out. The server will adjust your difficulty aiming for 20 submitted proofs of work per minute.

Port 8332 has getwork with difficulty 1 for now. This means you can still use leases from hashpower.com - var diff will be activated for getwork once hashpower supports var diff.

Port 8332 also has GBT with var diff.

Port 3333 and 5050 has Stratum with var diff. New work pushed at 30 second intervals.

If you want to use GBT or Stratum you may want to update your miner config and/or restart bfgminer/cgminer/poclbm to get it running with a new protocol.

BitMinter client will get support for other protocols later. It runs getwork with rollntime now and will use var diff once activated on the server.

Let me know if you have any questions or experience any problems.

Congrats on the upgrade Doc!

Thanks! That was a lot of work and many changes that just went live. Good to finally finish all that and see it running smoothly (knock on wood).

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December 03, 2012, 08:50:49 PM
 #2168

Please add stratum to the main port.  I miss the statistics. Sad
Coming right up.

Woohoo!  Stats again!

M

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December 03, 2012, 09:25:01 PM
 #2169

Sorry for the web server barely being able to move. There's a DDoS attack in progress. Sad

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December 03, 2012, 09:31:40 PM
 #2170

Doc,
Are you restarting pool? A lot of rejects and 503 open id login error?

PS: I just saw your post..Is DoS affecting mining or just web is attacked?

Please help the Led Boy aka Bicknellski to make us a nice Christmas led tree and pay WASP membership fee here:
https://bitcointalk.org/index.php?topic=643999.msg7191563#msg7191563
And remember Bicknellski is not collecting money from community;D
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December 03, 2012, 09:51:39 PM
 #2171

Seems a change on the server is causing miners to sometimes run crazy. Working on it.

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mdude77
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December 03, 2012, 10:02:58 PM
 #2172

Is merged mining still occurring with stratum?

I know other pools have dropped namecoin with stratum (btcguild and ozcoin for example).

M

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December 03, 2012, 11:10:51 PM
Last edit: December 04, 2012, 12:37:08 AM by DrHaribo
 #2173

Apologies for the bumpy ride.

Technical mumblings: There was an issue with longpoll (both getwork and gbt) because of a race condition. Seems it never triggered before I switched to a different java virtual machine. And of course it never triggered during testing, even with that JVM. Have to love those bugs that only occur in production.

I believe that issue should now be resolved.

Bad news is, I didn't know bfgminer requires mining.get_transactions to be implemented. Edit: it doesn't, actually.

So bfgminer is still acting up. But any miners running getwork or gbt should be fine again.

Working on the bfgminer issue.

Is merged mining still occurring with stratum?

Yes, merged mining happens whether you use stratum, gbt or getwork.

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mdude77
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December 03, 2012, 11:14:16 PM
 #2174

Is merged mining still occurring with stratum?

Yes, merged mining happens whether you use stratum, gbt or getwork.


Great!  Gives you an edge over other pools.

M

I mine at Kano's Pool because it pays the best and is completely transparent!  Come join me!
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December 03, 2012, 11:47:15 PM
 #2175

Looks like bfgminer isn't working with bitminter anymore.
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December 04, 2012, 12:09:53 AM
 #2176

BFGminer also not working on my RPi + 2 BFL singles :-/

1KHxCRniFNmS7ChiPqaewmokuCABk2PRQn
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December 04, 2012, 12:25:47 AM
 #2177

Issue with bfgminer fixed as well.

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hashking
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December 04, 2012, 12:38:17 AM
 #2178

Looks like bfgminer now is working onstratum.  I see less shares acceptedon  my console but the hashrate on bitminter looks right.  Is this the way its supposed to work. 
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December 04, 2012, 12:44:08 AM
 #2179

Looks like bfgminer now is working onstratum.  I see less shares acceptedon  my console but the hashrate on bitminter looks right.  Is this the way its supposed to work. 

Yeah, that's because of variable difficulty. When it says "Accepted f7564e7c Diff 16/4 GPU 0" that means this proof of work would be good enough when mining even at difficulty 16, but you are currently mining at difficulty 4. On the server this will count the same as 4 difficulty 1 proofs of work. So you will see the accepted count on the server go up by 4.

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December 04, 2012, 12:44:27 AM
 #2180

Sorry for the web server barely being able to move. There's a DDoS attack in progress. Sad


Have you considered something like CloudFlare to help protect the front end? It won't do anything for the mining ports, but it might help defend the website.

Just a thought. I mention CloudFlare specifically because it's free. $$
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