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Author Topic: [1050 TH] BitMinter.com [1% PPLNS,Pays TxFees +MergedMining,Stratum,GBT,vardiff]  (Read 775649 times)
Shermo
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September 23, 2012, 07:13:58 PM
 #1741

Really bad luck today on the block front... looking like we may only have 4 blocks done today!
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DrHaribo
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September 23, 2012, 09:03:05 PM
 #1742

Also, how difficult would it be to implement a time zone selection for users? It is probably just me, but I like looking at the timestamps for shifts and when blocks were created and converting time zones kind of drives me nuts.

Yeah, it's on my list, but there's quite a few more important things above it.

Really bad luck today on the block front... looking like we may only have 4 blocks done today!

Two huge blocks on the same day isn't fun Sad

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September 24, 2012, 04:49:14 AM
 #1743

are there any plans on getting products from http://fpgamining.com/products to be compatible with your java miner on windows? I'll be picking up a few to mine with and would like to use that miner.


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September 24, 2012, 05:25:46 AM
 #1744

are there any plans on getting products from http://fpgamining.com/products to be compatible with your java miner on windows? I'll be picking up a few to mine with and would like to use that miner.

I have some other things I must do first, and soon ASICs will arrive. Do those FPGAs still make sense in an ASIC world?

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hahahafr
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September 24, 2012, 05:18:41 PM
 #1745

When you implement the Stratum protocol, please don't let the port 80 down. I'm quite sure that with three simple iptables rules you can support all three mining protocols (getwork, Stratum, and GBT). I could provide my help if needed.

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September 24, 2012, 06:05:30 PM
 #1746

When you implement the Stratum protocol, please don't let the port 80 down. I'm quite sure that with three simple iptables rules you can support all three mining protocols (getwork, Stratum, and GBT). I could provide my help if needed.

Stratum isn't HTTP so it may be more trouble than it's worth to get it running on the same port with HTTP stuff. GBT and getwork is much easier to run through a webserver.

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September 24, 2012, 07:18:24 PM
 #1747

New mining backend is up with rollntime for everyone (again). We even got a block a moment after I started it. Must be a good sign. Cheesy

If you are running on port 9000 you can move back to 8332 now. Thanks a lot for the help with testing! I will shut down 9000 soon, just giving people a chance to change their setup. Testing on 9000 will probably be back when I have a version with variable difficulty.

By the way, I also noticed there's a new cgminer 2.7.6 out. If you are on cgminer it should be worth a quick upgrade.

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September 24, 2012, 07:43:41 PM
 #1748

I got a suggestion from PsychoticBoy to change the N in PPLNS from 2x difficulty to 4x difficulty. That would be to double the size of the shifts. Please speak up if you have an opinion on it.

Currently 10 shifts take about 5 hours. Doubling shift size would mean 10 shifts take 10 hours at the current pool hashrate. This would mean it takes longer before a proof of work is fully paid, but also that the variance for a proof of work goes down. 24/7 miners shouldn't notice much, but those who don't mine 24/7 should experience reduced variance.

In other news the testing on port 9000 helped uncover a bottleneck that has now been fixed. A big thanks to all who are mining there to help with testing. The test is still running. I'll try and finish up what will hopefully be the next production version of the mining backend, let it run on the test port for a bit, then bring it over on the regular port.


My hashrate votes no on this, simply because I cannot see the benefit, where as taking a quick look at my hashrate during the last 10 shifts now shows me quite accurateley when something is wrong with one of my four workers.

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September 24, 2012, 08:52:57 PM
 #1749

Stale ratio went from <0.4% to <0.8% Undecided
Looking forward the next block to see if DrHaribo really fixed the bug Grin

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September 24, 2012, 09:27:05 PM
 #1750

My hashrate votes no on this

1 pro, 1 contra and 1 neutral. Not a lot of interest for this. Perhaps the last increase to N=2x diff was enough?

Stale ratio went from <0.4% to <0.8% Undecided
Looking forward the next block to see if DrHaribo really fixed the bug Grin

The bug is fixed but there are still users with buggy miners and my protection against that isn't very successful. When a miner starts attacking the pool with thousands of requests per second the protection doesn't kick in quickly enough. It's actually not an easy problem to solve without blocking out large proxies and other large mining operations. It's hard to tell them apart from a buggy miner if you only have a second to do it.

I'm now thinking about putting buggy versions of cgminer and bfgminer automatically on the slow response list together with cpu miners. Placing them there all the time, not only when they misbehave. I have asked people to upgrade a long time ago both here and on twitter. I think this solution is more fair than letting the buggy miners cause slow response for other users. cgminer 2.7.6 is out and working great. Just upgrade. You don't still use internet explorer 6 do you? Shocked

The first few block changes after I put in the new version were awful. Thousands upon thousands of useless requests for several seconds. Then we had something like 10 block changes that were perfectly smooth. And before I wrote this we again had a couple block changes where the pool was effectively DDoSed by its own miners. Cheesy It's kind of funny when you think about it. Wink

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Shermo
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September 24, 2012, 09:34:41 PM
 #1751

TBH I'm not sure how the difficulty change would affect me, I only hash at about 350mh/s 24/7 and my girlfriends PC about 300mh/s approx 4 hours a day when she leaves her PC on...
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September 24, 2012, 09:42:23 PM
 #1752

Just wanted to say "Hi!" to everyone, so:
Hi everyone!

I'm mining with BitMinter (pool & client) for about a week now. Just adding my little 160 MH/s with a spare GTX 570, so I'm probably losing money, but that's 24/7. Awesome! Cheesy

Cheers,
~drekk~

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hahahafr
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September 24, 2012, 11:03:04 PM
 #1753

1.6% now Shocked
Personally I use cgminer 2.7.5 and went from <0.3% before last update to >1.3% now.
I don't know, something is obviously wrong.

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September 24, 2012, 11:14:40 PM
 #1754

1.6% now Shocked
Personally I use cgminer 2.7.5 and went from <0.3% before last update to >1.3% now.
I don't know, something is obviously wrong.
1st- upgrade to cgminer 2.7.6
2nd-You need to allow for at least 24 hours of mining to make a determination on rates (many factors affect the numbers including time of day, connection quality, etc.)
3rd-The real number is the effective hash rate shown in the pool stats (in some cases adjusting settings can correct this, look for a default .cgminer.conf and adjust your queue downward, larger queue = more stales on the LP (block change) notification from the pool)
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September 24, 2012, 11:23:16 PM
 #1755

TBH I'm not sure how the difficulty change would affect me, I only hash at about 350mh/s 24/7 and my girlfriends PC about 300mh/s approx 4 hours a day when she leaves her PC on...

You would get lower variance for the 4 hours a day machine. That means more even payments for the work it does, instead of low pay one day and high pay another day. So that might be a plus. But it will also take some hours longer to get paid after it did the 4 hours of work. I don't know if that makes a difference for you.

Hi everyone!

I'm mining with BitMinter (pool & client) for about a week now. Just adding my little 160 MH/s with a spare GTX 570, so I'm probably losing money, but that's 24/7. Awesome! Cheesy

Hi and welcome to the pool! Smiley Nvidia isn't the best for mining. But yeah, bitcoin is pretty awesome, so it can be fun to mine a bit even if the equipment isn't the most efficient. Smiley

1.6% now Shocked
Personally I use cgminer 2.7.5 and went from <0.3% before last update to >1.3% now.
I don't know, something is obviously wrong.

The two restarts caused a few rejects, but I think most were because of the "ddos bug".

The second restart a short while ago was to get in a new version that automatically puts all requests from cgminer and bfgminer with lower version number than 2.7 on the slow queue. The "slow queue" is contained to 1 cpu core on the server. This should prevent those using old outdated miners from causing problems for users with more recent miners like you have. I'm hoping we'll see much less rejected work in the next round.

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hahahafr
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September 24, 2012, 11:30:31 PM
 #1756

For those experiencing high stale rate like me, a restart of the miners seems to do the trick.

The second restart a short while ago was to get in a new version that automatically puts all requests from cgminer and bfgminer with lower version number than 2.7 on the slow queue. The "slow queue" is contained to 1 cpu core on the server. This should prevent those using old outdated miners from causing problems for users with more recent miners like you have. I'm hoping we'll see much less rejected work in the next round.
Can you provide either the whitelist or blacklist (of the miners and versions) you use?
Edit: nevermind, I just reread your post Roll Eyes

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September 24, 2012, 11:35:08 PM
 #1757

I got a suggestion from PsychoticBoy to change the N in PPLNS from 2x difficulty to 4x difficulty. That would be to double the size of the shifts. Please speak up if you have an opinion on it.

Currently 10 shifts take about 5 hours. Doubling shift size would mean 10 shifts take 10 hours at the current pool hashrate. This would mean it takes longer before a proof of work is fully paid, but also that the variance for a proof of work goes down. 24/7 miners shouldn't notice much, but those who don't mine 24/7 should experience reduced variance.

In other news the testing on port 9000 helped uncover a bottleneck that has now been fixed. A big thanks to all who are mining there to help with testing. The test is still running. I'll try and finish up what will hopefully be the next production version of the mining backend, let it run on the test port for a bit, then bring it over on the regular port.


I'm favorable to this change! The higher the share difficulty the better.

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September 25, 2012, 12:54:11 AM
 #1758

Request: If/When you'll be looking at implementing the Stratum protocol, please consider making it reachable on your server through one of these ports:

1288
1863
5050
5100
5190
5560
6665
6666
6667
6668
6669
6891
6892
6893
6894
6895
6896
6897
6898
6899
6900
6901
8443

This time it's really just a matter of two more lines in the iptables configuration! Grin
Example:

Code:
--iptables -A INPUT -i eth0 -p tcp --destination-port 5050 -j ACCEPT
--iptables -A PREROUTING -t nat -i eth0 -p tcp --destination-port 5050 -j REDIRECT --to-ports <stratum_listen_port>

Thank you!

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September 25, 2012, 06:49:09 AM
 #1759

Doc,
Long pool is OK. However tonight my cgminer crashed. It was offline for about 5 hours or so. I started it a couple of hours ago but my payments are still very low.  I mean that guys having equal hash rate get paid 3-4xmore. However on each new block my payment increases. I guess it should back to normal after few blocks. What i am asking you if i shall be worried that something is wrong from my side or that is normal due to algorithm used when payments are calculated. For instance if i fire cgminer right now - and say i never mined here before. Mine from beginning to the end of new block did i get paid same amount like a person who has same hash rate like me (Accepted shares) but he was mining for a week without any interruption?
Thank You

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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September 25, 2012, 07:19:49 AM
 #1760

Doc,
Long pool is OK. However tonight my cgminer crashed. It was offline for about 5 hours or so. I started it a couple of hours ago but my payments are still very low.  I mean that guys having equal hash rate get paid 3-4xmore. However on each new block my payment increases. I guess it should back to normal after few blocks. What i am asking you if i shall be worried that something is wrong from my side or that is normal due to algorithm used when payments are calculated. For instance if i fire cgminer right now - and say i never mined here before. Mine from beginning to the end of new block did i get paid same amount like a person who has same hash rate like me (Accepted shares) but he was mining for a week without any interruption?
Thank You
BitMinter uses PPLNS (pay per last N shares) for its payout method. This means that you're paid for the shares that you submit within the time period specified by N as long as a block is found within that time period. In the case of BitMinter, you're paid for the shares that you submit in the last 10 shifts, found here.

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