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Author Topic: [1050 TH] BitMinter.com [1% PPLNS,Pays TxFees +MergedMining,Stratum,GBT,vardiff]  (Read 775874 times)
davidspitzer
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April 11, 2013, 07:33:04 AM
 #2781

Bitminter seems down

yep for me also - Dr. H I love your pool but a backup pool function is really really needed. (oh and full asic support soon) I wonder whats up?

its seems back up can anyone confirm

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DrHaribo
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April 11, 2013, 07:34:05 AM
 #2782

Sorry for downtime. We are back up.

bitcoind 0.8.1 seems to have a memory leak, it sometimes expands to several gigabytes of memory usage.

I'll see what I can do to prevent this in the future.

And yeah, backup pool support is at the top of the list, right after ASIC support for the miner.

▶▶▶ Bitminter.com - Your trusted mining pool since 2011.
davidspitzer
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April 11, 2013, 07:36:47 AM
 #2783

Sorry for downtime. We are back up.

bitcoind 0.8.1 seems to have a memory leak, it sometimes expands to several gigabytes of memory usage.

I'll see what I can do to prevent this in the future.

And yeah, backup pool support is at the top of the list, right after ASIC support for the miner.


thanks - your a superstar

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Zalfrin
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April 11, 2013, 02:14:22 PM
 #2784

Can you tell me a little more, or point me to information, about how the NMC merge mining is set up on your pool? I'm trying to do a comparison of profitability mining here versus other pools, but I haven't come across what the expected PPS is for NMC. I looked at my account history and based on number of NMC shares submitted and my NMC wallet, I get ~0.0001358 NMC/share, but that's averaging over a long period of time and I'm sure difficultly is probably higher now than it was in my average. That NMC/share value looks quite high compared to, say, bitparking pool which explicitly lists their PPS rates.

Maybe this is a silly question, but any insight you can provide would be appreciated.

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DrHaribo
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April 11, 2013, 02:26:08 PM
 #2785

Can you tell me a little more, or point me to information, about how the NMC merge mining is set up on your pool? I'm trying to do a comparison of profitability mining here versus other pools, but I haven't come across what the expected PPS is for NMC. I looked at my account history and based on number of NMC shares submitted and my NMC wallet, I get ~0.0001358 NMC/share, but that's averaging over a long period of time and I'm sure difficultly is probably higher now than it was in my average. That NMC/share value looks quite high compared to, say, bitparking pool which explicitly lists their PPS rates.

NMC merged mining is done for all protocols (Stratum, GBT, getwork). It uses the same shift data as BTC for payments. This may be a tiny tiny bit unfair because some users have high reject ratios on NMC work. But the effect of this is tiny and it makes things simpler.

NMC PPS can be easily calculated the same way as BTC PPS.

PPS = (1 / Difficulty) x NewCoinsPerBlock + TransactionFees

In the case of NMC: PPS = 50 / 1495881 + transaction fees

While transaction fees now are 1% to 2% for Bitcoin, I believe they are pretty insignificant for Namecoin and you may want to make things simpler by ignoring them.

You know, it'd be really nice if I could manually bump up the difficulty for my workers.  Yes they are only GPUs, but they are quite capable of handling diff 2 or 3, which would reduce my (and your) network through put.

I have this and some other nice improvements almost ready. But I'm working on 10 different things at the moment. Hopefully things will calm down a bit soon and some new features will be finished.

▶▶▶ Bitminter.com - Your trusted mining pool since 2011.
boozer
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April 11, 2013, 10:30:04 PM
 #2786

Doc, you want to buy me one of the 1TH/s SC's?   Tongue  If so I'll let you test it on your site Tongue

If only I got such great offers every day Cheesy


It only stands for a short while... so take it while you can!  Grin

Doc, I really hope you got my 1TH/s mini-rig before they sold out  Tongue
mdude77
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April 12, 2013, 01:37:22 AM
 #2787

Something awry?  My miners are happily mining away, but webpage and API shows 0 hash rate for all of them.

M

EDIT: and now it's back...

MMinerMonitor author, monitor/auto/schedule reboots/alerts/remote/MobileMiner for Ants and Spondoolies! Latest (5.2). MPoolMonitor author, monitor stats/workers for most pools, global BTC stats (current/nxt diff/USD val/hashrate/calc)! Latest (v4.2) 
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DrHaribo
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April 12, 2013, 02:43:39 AM
 #2788

We had some minutes of downtime just now. Something not quite stable on this server. It's up again.

Will work on improving this situation tomorrow.

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mdude77
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April 12, 2013, 10:38:01 AM
 #2789

You know, it'd be really nice if I could manually bump up the difficulty for my workers.  Yes they are only GPUs, but they are quite capable of handling diff 2 or 3, which would reduce my (and your) network through put.

M

Or instead of being able to control it, lower the threshhold so someone with 3+ 7970s (~1.8gh) gets difficulty 2.

M

MMinerMonitor author, monitor/auto/schedule reboots/alerts/remote/MobileMiner for Ants and Spondoolies! Latest (5.2). MPoolMonitor author, monitor stats/workers for most pools, global BTC stats (current/nxt diff/USD val/hashrate/calc)! Latest (v4.2) 
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farfie
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April 12, 2013, 05:12:26 PM
 #2790

Sorry for downtime. We are back up.

bitcoind 0.8.1 seems to have a memory leak, it sometimes expands to several gigabytes of memory usage.

I'll see what I can do to prevent this in the future.

And yeah, backup pool support is at the top of the list, right after ASIC support for the miner.


This isn't really related to the pool, but since you mentioned bugs, my friend and I have noticed another bug about 0.8.1 (or perhaps an extension of the one you already mentioned) that it also causes massive lag when running. It introduces jitter and cuts my speeds down by about 50% give or take it seems, and we verified it many times by letting it run, and turning it off to instantly watch our internet become 100% better instantly.

We were wondering if anyone else has noticed this, or could try it and see? It actually took awhile for us to notice what was causing it, but we were pretty sure something was up (before we knew it was the bitcoin client). The problem was that it's not really a stable lag, and looking back I have no idea how often it would be. Definitely enough to make us angry very often.

We both run Windows 7. Thanks for any input.

Farfie
WhitePhantom
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April 12, 2013, 06:05:36 PM
 #2791

Sorry for downtime. We are back up.

bitcoind 0.8.1 seems to have a memory leak, it sometimes expands to several gigabytes of memory usage.

I'll see what I can do to prevent this in the future.

And yeah, backup pool support is at the top of the list, right after ASIC support for the miner.


This isn't really related to the pool, but since you mentioned bugs, my friend and I have noticed another bug about 0.8.1 (or perhaps an extension of the one you already mentioned) that it also causes massive lag when running. It introduces jitter and cuts my speeds down by about 50% give or take it seems, and we verified it many times by letting it run, and turning it off to instantly watch our internet become 100% better instantly.

We were wondering if anyone else has noticed this, or could try it and see? It actually took awhile for us to notice what was causing it, but we were pretty sure something was up (before we knew it was the bitcoin client). The problem was that it's not really a stable lag, and looking back I have no idea how often it would be. Definitely enough to make us angry very often.

We both run Windows 7. Thanks for any input.

Farfie

I don't know if this is related to what you're talking about, but figured I'd chime in.  For a few weeks now, my Internet connection has had horrible latency (up to 500ms) on and off when mining with two mini-rigs.  This does not occur if I stop mining.  I restart my network equipment and it's fixed for a while, but the issue comes back in short order.
boozer
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April 12, 2013, 06:24:07 PM
 #2792



I don't know if this is related to what you're talking about, but figured I'd chime in.  For a few weeks now, my Internet connection has had horrible latency (up to 500ms) on and off when mining with two mini-rigs.  This does not occur if I stop mining.  I restart my network equipment and it's fixed for a while, but the issue comes back in short order.

Thats weird.  Can you send the rigs to me and I'll see if it happens here?  Its probably the best way to isolate the problem Tongue
farfie
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April 12, 2013, 07:38:46 PM
 #2793

Sorry for downtime. We are back up.

bitcoind 0.8.1 seems to have a memory leak, it sometimes expands to several gigabytes of memory usage.

I'll see what I can do to prevent this in the future.

And yeah, backup pool support is at the top of the list, right after ASIC support for the miner.


This isn't really related to the pool, but since you mentioned bugs, my friend and I have noticed another bug about 0.8.1 (or perhaps an extension of the one you already mentioned) that it also causes massive lag when running. It introduces jitter and cuts my speeds down by about 50% give or take it seems, and we verified it many times by letting it run, and turning it off to instantly watch our internet become 100% better instantly.

We were wondering if anyone else has noticed this, or could try it and see? It actually took awhile for us to notice what was causing it, but we were pretty sure something was up (before we knew it was the bitcoin client). The problem was that it's not really a stable lag, and looking back I have no idea how often it would be. Definitely enough to make us angry very often.

We both run Windows 7. Thanks for any input.

Farfie

I don't know if this is related to what you're talking about, but figured I'd chime in.  For a few weeks now, my Internet connection has had horrible latency (up to 500ms) on and off when mining with two mini-rigs.  This does not occur if I stop mining.  I restart my network equipment and it's fixed for a while, but the issue comes back in short order.

Right, this seems pretty dead on. Try turning off your bitcoind (if you're on 0.8.1 anyway, which by your post I'm assuming that's your problem) when the lag seems pretty bad to see if it goes away like we did. We also realized that this started happening about the same time we upgraded to 0.8.1. Only thing is that your lag stops when you stop mining? I also have two mini-rigs, but my lag goes away if I simply turn off bitcoind. My buddy also only has a few singles, and had lag just as bad as mine, which was fixed by also turning his bitcoind off. Try it out.
lumberjack
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April 12, 2013, 11:07:41 PM
 #2794

What I've noticed about 0.8.1 (and 0.8) when analyzing traffic with jnettop (was the quickest thing I had handy) is that a peer can ask for blocks and bitcoind will happily send them as fast as it possibly can. If that peer asks for a large range (500 at a time) bitcoind will happily saturate your entire uplink to deliver those block requests.

I've seen single peers pulling 250KB/sec through my DSL uplink, absolutely destroying anything else I'm trying to do. Restarting bitcoind disconnects that peer and they move onto another peer, which is why it seems stable again for a while after restarting. Eventually you get another greedy peer and the cycle repeats.

There is no built in throttling. You'll have to manually figure out a way to do QoS/throttling so it doesn't kill your link.


19iyXxefXKKUyZgw3KLGRvpFcP8HDWt8UD
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April 12, 2013, 11:20:32 PM
 #2795

What I've noticed about 0.8.1 (and 0.Cool when analyzing traffic with jnettop (was the quickest thing I had handy) is that a peer can ask for blocks and bitcoind will happily send them as fast as it possibly can. If that peer asks for a large range (500 at a time) bitcoind will happily saturate your entire uplink to deliver those block requests.

I've seen single peers pulling 250KB/sec through my DSL uplink, absolutely destroying anything else I'm trying to do. Restarting bitcoind disconnects that peer and they move onto another peer, which is why it seems stable again for a while after restarting. Eventually you get another greedy peer and the cycle repeats.

There is no built in throttling. You'll have to manually figure out a way to do QoS/throttling so it doesn't kill your link.
This behavior was in 0.7.x as well. See my post here: https://bitcointalk.org/index.php?topic=141802.0.

My observations are consistent with yours, which is why I tend NOT to run the client  unless I need to move coins. Too often it ends up connecting to a peer that saturates my upload bandwidth and brings internet access to a standstill.

If you have a decent router, it should be possible to configure its QOS to limit bitcoind bandwidth. I have no need to run the client full-time, so I haven't bothered to take this step.

BTC: 1DJVUnLuPA2bERTkyeir8bKn1eSoRCrYvx
NMC: NFcfHSBBnq622pAr1Xoh9KtnBPA5CUn6id
archangel95
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April 13, 2013, 03:24:33 AM
 #2796

What I've noticed about 0.8.1 (and 0.Cool when analyzing traffic with jnettop (was the quickest thing I had handy) is that a peer can ask for blocks and bitcoind will happily send them as fast as it possibly can. If that peer asks for a large range (500 at a time) bitcoind will happily saturate your entire uplink to deliver those block requests.

I've seen single peers pulling 250KB/sec through my DSL uplink, absolutely destroying anything else I'm trying to do. Restarting bitcoind disconnects that peer and they move onto another peer, which is why it seems stable again for a while after restarting. Eventually you get another greedy peer and the cycle repeats.

There is no built in throttling. You'll have to manually figure out a way to do QoS/throttling so it doesn't kill your link.



Nice Catch.  I figured out what my problems were last night thanks to you.
mdude77
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April 13, 2013, 01:05:22 PM
 #2797

I got the stratum proxy up and running, and have all my miners running through it.  That got me up to 2 difficulty, sometimes switching to 4. 

Then I realized the proxy just acts as passthru, since I have to have all the miners use the same credentials.  That means I could probably take the proxy out of the middle and just have all my miners use the same credentials.  Any downside to that, aside from not seeing individual miner stats?

M

MMinerMonitor author, monitor/auto/schedule reboots/alerts/remote/MobileMiner for Ants and Spondoolies! Latest (5.2). MPoolMonitor author, monitor stats/workers for most pools, global BTC stats (current/nxt diff/USD val/hashrate/calc)! Latest (v4.2) 
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DrHaribo
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April 13, 2013, 02:19:31 PM
 #2798

Then I realized the proxy just acts as passthru, since I have to have all the miners use the same credentials.  That means I could probably take the proxy out of the middle and just have all my miners use the same credentials.  Any downside to that, aside from not seeing individual miner stats?

The proxy is a little more efficient as it runs only 1 Stratum connection to the server instead of multiple ones. At least I think so, I haven't tested it myself yet.

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DrHaribo
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April 14, 2013, 08:45:05 PM
 #2799

New Android app that got BitMinter support: Miner Status

It's been added to the "tools" -> "third party apps" menu on the website.

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DrHaribo
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April 14, 2013, 09:21:50 PM
 #2800

Lately some users tried to use RPCminer. This is an old miner that doesn't work with modern pools and is no longer maintained so we can't expect bugs to be fixed. Some details about the problem here: https://github.com/slush0/stratum-mining-proxy/issues/9

If you must use this old miner then connect through Slush's stratum mining proxy: https://github.com/slush0/stratum-mining-proxy/

It will "trick" RPCminer into working.

Edit: from what I understand you need to use the --old-target option with the stratum mining proxy to make this work.

▶▶▶ Bitminter.com - Your trusted mining pool since 2011.
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