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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2033414 times)
rav3n_pl
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June 18, 2013, 11:30:03 PM
 #5781

Found it:
https://github.com/forrestv/p2pool/issues/111

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June 19, 2013, 03:50:03 AM
 #5782

Well I've got about 8 different ip addresses constantly submitting invalid hash, but I made the changes suggested above and their impact seems to be a lot smaller. Why are peers constantly submitting invalid hashes? Are they intentionally trying to spam the pool.. Am I being paranoid?

edit: After making the changes recommended above I unbanned all ip's that I had restricted and at first I was bombarded with a bunch of ip's submitting invalid hashes, but now that all of the hex data wasn't being sent (?) and  their impact seems minimized. Now it's down to just 3 addresses doing it over and over. It may be premature but THX...

 
Krellan
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June 19, 2013, 06:13:55 PM
 #5783

I started seeing this several times the last few days, same ip address each time.

2013-06-17 07:34:41.231070 invalid hash for 222.77.182.12 'remember_tx' 248861 872ef55d d295582b


I also received that last night.  Same IP address.  Big dump of hex digits, filling several pages in my scrollback.  Haven't banned yet, but thinking about it.

Perhaps an unrelated question: I'm new to P2Pool, having just set it up successfully two nights ago, when my Erupter arrived.  I'm seeing a high percentage of orphaned shares: after just over 24 hours, I now have 7 shares, but 2 of them are orphaned.  Is this normal?  I also noticed that I have only 1 incoming connection, my other 6 connections are outgoing.  My network connection is fine, no slowdown, ports are open.  Shouldn't I be getting more connections, especially incoming?  The port is open, the router is happy, my bitcoind has been steady at the configured maximum of 40 for some time now.  Is P2Pool less aggressive at promoting connections than bitcoind, or are there simply fewer users of the network?  I'm thinking that if I could get better connectivity to more nodes, I'd have fewer orphaned shares.

Other than that, it seems to be working very well.  I love the idea of P2Pool, having each node self-sufficient when it comes to making mining decisions, while still building on shares earned by other nodes so it remains fair for all.

Josh

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zvs
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June 19, 2013, 09:19:04 PM
 #5784

I started seeing this several times the last few days, same ip address each time.

2013-06-17 07:34:41.231070 invalid hash for 222.77.182.12 'remember_tx' 248861 872ef55d d295582b


I also received that last night.  Same IP address.  Big dump of hex digits, filling several pages in my scrollback.  Haven't banned yet, but thinking about it.

Perhaps an unrelated question: I'm new to P2Pool, having just set it up successfully two nights ago, when my Erupter arrived.  I'm seeing a high percentage of orphaned shares: after just over 24 hours, I now have 7 shares, but 2 of them are orphaned.  Is this normal?  I also noticed that I have only 1 incoming connection, my other 6 connections are outgoing.  My network connection is fine, no slowdown, ports are open.  Shouldn't I be getting more connections, especially incoming?  The port is open, the router is happy, my bitcoind has been steady at the configured maximum of 40 for some time now.  Is P2Pool less aggressive at promoting connections than bitcoind, or are there simply fewer users of the network?  I'm thinking that if I could get better connectivity to more nodes, I'd have fewer orphaned shares.

Other than that, it seems to be working very well.  I love the idea of P2Pool, having each node self-sufficient when it comes to making mining decisions, while still building on shares earned by other nodes so it remains fair for all.

Josh

no, 2 orphans out of 7 isn't normal

1 incoming connection after two nights is a bit low.  i've been running a node off and on (on for the last 6 months or so) and only have 15 incoming connections after 30 hours, so it isn't *that* abnormal.  i probably appear in everyone's addr file, your ip wouldn't in most.  also, a lot of people keep their clients going for days at a time, so these nodes will rarely open new outgoing connections

there are few incoming connections is because the client defaults to only 6 outgoing.  bitcoind has a lot more users that increase their connection count, there are probably 20+ that have 500+ connections and some that may have more than 1000 if they've modified it to use epoll

use --p2pool-node feature to add more outgoing connections outside of the default 6.  it's better that way, anyway.  you can pick the fastest ones and if they're public, look at their graphs and see if they actually send out any data.  i have a relay in jacksonville, FL at 199.48.164.36 and primary is in nuremberg at 5.9.24.81, another person I know & help set his up is in the canadian OVH center @ 198.100.149.53.  none are capped on incoming connections

Dacentec, best deals for US dedicated servers. They regularly restock $20-$25 Opterons with 8-16GB RAM & 2x1-2TB HDD's (ofc, usually lots of other good stuff to choose from).  I did a Serverbear benchmark of one of my $20/mo Opteron (June last year), it's here.  Have had about a half dozen different servers with Dacentec, & none have failed to sustain at least 40MB/s (burst higher). My favorite is a 12-month rent-to-own ZT Systems 2XL5520 16GB 2x2TB SATA for $40/month (got lucky with the 'off-brand', haven't seen a RTO 2xL5520 for under $50/mo since -- at least for monthly contracts).  wholesaleinternet.com has some ancient 2-core intel CPUs @ $10/mo sometimes (I got an Intel Core 2 6300 @ 1.86GHz, with a 250GB HDD with 46000 hours on it, LOL. $20 @ Dacentec is much better, if you can grab one). joesdatacenter.com (same location as Wholesale Internet) also occasionally has specials (or if you don't want to wait, it has an AMD Opteron 170 @ $16/mo).
gyverlb
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June 19, 2013, 09:37:07 PM
 #5785

no, 2 orphans out of 7 isn't normal

Please zvs, study probabilities instead of reacting with your gut feelings. Statistically it's normal... If it were 20 out of 70 then it would probably not be normal.

@Krellan, with your hashrate you'll have to wait for a whole week to know if your P2Pool configuration is OK. With 2 out of 7 you are not on the good side but you only have to remove 1 orphan from your current result to already be on par with the rest of the network.

P2pool tuning guide
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zvs
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June 19, 2013, 09:55:49 PM
 #5786

no, 2 orphans out of 7 isn't normal

Please zvs, study probabilities instead of reacting with your gut feelings. Statistically it's normal... If it were 20 out of 70 then it would probably not be normal.

@Krellan, with your hashrate you'll have to wait for a whole week to know if your P2Pool configuration is OK. With 2 out of 7 you are not on the good side but you only have to remove 1 orphan from your current result to already be on par with the rest of the network.
As a new user of p2pool, he asked if it was normal to get 2 orphans out of 7 shares.

The answer is that it isn't normal, regardless of sample size

Dacentec, best deals for US dedicated servers. They regularly restock $20-$25 Opterons with 8-16GB RAM & 2x1-2TB HDD's (ofc, usually lots of other good stuff to choose from).  I did a Serverbear benchmark of one of my $20/mo Opteron (June last year), it's here.  Have had about a half dozen different servers with Dacentec, & none have failed to sustain at least 40MB/s (burst higher). My favorite is a 12-month rent-to-own ZT Systems 2XL5520 16GB 2x2TB SATA for $40/month (got lucky with the 'off-brand', haven't seen a RTO 2xL5520 for under $50/mo since -- at least for monthly contracts).  wholesaleinternet.com has some ancient 2-core intel CPUs @ $10/mo sometimes (I got an Intel Core 2 6300 @ 1.86GHz, with a 250GB HDD with 46000 hours on it, LOL. $20 @ Dacentec is much better, if you can grab one). joesdatacenter.com (same location as Wholesale Internet) also occasionally has specials (or if you don't want to wait, it has an AMD Opteron 170 @ $16/mo).
Krellan
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June 19, 2013, 10:02:10 PM
 #5787

Thanks, I'll let it continue to run untouched for a week (assuming good luck and no system crashes), before worrying about it more.  Good news, I'm now up to 10 shares, and still only 2 orphans.

Would increasing the number of outgoing connections help?  Thinking of setting it to 20 instead of 6.

Is it better to use hardcoded IP addresses on the command line, as suggested, or let the network discover more nodes over time?

Hopefully the only thing I'll have to worry about is how to afford the BTC to buy more ASIC's Smiley

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gyverlb
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June 19, 2013, 11:43:09 PM
 #5788

Thanks, I'll let it continue to run untouched for a week (assuming good luck and no system crashes), before worrying about it more.  Good news, I'm now up to 10 shares, and still only 2 orphans.

Would increasing the number of outgoing connections help?  Thinking of setting it to 20 instead of 6.

Only if you are sure that you have bandwidth to spare. Increasing the number of connections is more a safety net in case some of your peers start to misbehave in a way P2Pool doesn't correct for automatically.


Is it better to use hardcoded IP addresses on the command line, as suggested, or let the network discover more nodes over time?


If you use hardcoded IP addresses you'll have to check regularly that they are still up and the best one for you. Probably best to let the network find the best one for you automatically (if you let your node run a long time it will eventually find stable nodes to connect to).

I'm not sure how Erupter blades behave with P2Pool, please give us a quick report when your reach 25 total shares then 50 (the more you have the more we will know for sure how your setup behaves).

P2pool tuning guide
Trade BTC for €/$ at bitcoin.de (referral), it's cheaper and faster (acts as escrow and lets the buyers do bank transfers).
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wtogami
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June 20, 2013, 04:34:18 AM
 #5789

Important News: LTC p2pool users must upgrade Litecoin
August 15th hardfork deadline, plus reduced fee!

https://forum.litecoin.net/index.php/topic,4488.msg32417.html

If you appreciate my work please consider making a small donation.
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Subo1977
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June 20, 2013, 12:55:39 PM
 #5790

Are there any New's with BFL SC Asic on p2pool ?

my Jala's are just arrived and i want to put it on p2pool

I provide a 1000Mbit+ Torrent-Seedbox in FR and a 500Mbit Box in NL for orginal Blockchain Bootstrap.dat download. and also for Armoryclient Torrent

Tips are welcome:  15MuGdPSXU62fEFE9XbBZN3UvJMHBDVBoy
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June 20, 2013, 02:41:59 PM
 #5791

my p2pool back up with zero transactions now, due to 0.0001 fee being too small for someone to flood network with

Dacentec, best deals for US dedicated servers. They regularly restock $20-$25 Opterons with 8-16GB RAM & 2x1-2TB HDD's (ofc, usually lots of other good stuff to choose from).  I did a Serverbear benchmark of one of my $20/mo Opteron (June last year), it's here.  Have had about a half dozen different servers with Dacentec, & none have failed to sustain at least 40MB/s (burst higher). My favorite is a 12-month rent-to-own ZT Systems 2XL5520 16GB 2x2TB SATA for $40/month (got lucky with the 'off-brand', haven't seen a RTO 2xL5520 for under $50/mo since -- at least for monthly contracts).  wholesaleinternet.com has some ancient 2-core intel CPUs @ $10/mo sometimes (I got an Intel Core 2 6300 @ 1.86GHz, with a 250GB HDD with 46000 hours on it, LOL. $20 @ Dacentec is much better, if you can grab one). joesdatacenter.com (same location as Wholesale Internet) also occasionally has specials (or if you don't want to wait, it has an AMD Opteron 170 @ $16/mo).
gyverlb
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June 20, 2013, 04:15:06 PM
 #5792

Are there any New's with BFL SC Asic on p2pool ?

my Jala's are just arrived and i want to put it on p2pool

Short answer: don't waste your time, they can't mine efficiently on p2pool.
Long answer: see my guide.

P2pool tuning guide
Trade BTC for €/$ at bitcoin.de (referral), it's cheaper and faster (acts as escrow and lets the buyers do bank transfers).
Tip: 17bdPfKXXvr7zETKRkPG14dEjfgBt5k2dd
maqifrnswa
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June 20, 2013, 07:36:21 PM
 #5793

Are there any New's with BFL SC Asic on p2pool ?

my Jala's are just arrived and i want to put it on p2pool

Short answer: don't waste your time, they can't mine efficiently on p2pool.
Long answer: see my guide.

now that the firmware is open-sourced, i've been wondering if someone will tinker with it to enable custom nonce ranges. i won't have time for a while to even look at it...

it's sad because BFL stated it would work with p2pool
https://bitcointalk.org/index.php?topic=90658.msg998190#msg998190
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June 20, 2013, 07:41:27 PM
 #5794

Are there any New's with BFL SC Asic on p2pool ?

my Jala's are just arrived and i want to put it on p2pool

Short answer: don't waste your time, they can't mine efficiently on p2pool.
Long answer: see my guide.

now that the firmware is open-sourced, i've been wondering if someone will tinker with it to enable custom nonce ranges. i won't have time for a while to even look at it...

it's sad because BFL stated it would work with p2pool
https://bitcointalk.org/index.php?topic=90658.msg998190#msg998190

haha, i lol'ed @

I dont use P2Fool because the payout over a month or so was so far below what even deepbit would of made me with PPS it was laughable sickening.

Dacentec, best deals for US dedicated servers. They regularly restock $20-$25 Opterons with 8-16GB RAM & 2x1-2TB HDD's (ofc, usually lots of other good stuff to choose from).  I did a Serverbear benchmark of one of my $20/mo Opteron (June last year), it's here.  Have had about a half dozen different servers with Dacentec, & none have failed to sustain at least 40MB/s (burst higher). My favorite is a 12-month rent-to-own ZT Systems 2XL5520 16GB 2x2TB SATA for $40/month (got lucky with the 'off-brand', haven't seen a RTO 2xL5520 for under $50/mo since -- at least for monthly contracts).  wholesaleinternet.com has some ancient 2-core intel CPUs @ $10/mo sometimes (I got an Intel Core 2 6300 @ 1.86GHz, with a 250GB HDD with 46000 hours on it, LOL. $20 @ Dacentec is much better, if you can grab one). joesdatacenter.com (same location as Wholesale Internet) also occasionally has specials (or if you don't want to wait, it has an AMD Opteron 170 @ $16/mo).
daemondazz
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June 21, 2013, 02:03:37 AM
 #5795

Important News: LTC p2pool users must upgrade Litecoin
August 15th hardfork deadline, plus reduced fee!

https://forum.litecoin.net/index.php/topic,4488.msg32417.html

Node at cryptominer.org:9327 (202.191.108.46/2403:4200:403:10::50) has been upgraded.

Computers, Amateur Radio, Electronics, Aviation - 1dazzrAbMqNu6cUwh2dtYckNygG7jKs8S
maqifrnswa
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June 21, 2013, 02:10:44 AM
 #5796

haha, i lol'ed @

I dont use P2Fool because the payout over a month or so was so far below what even deepbit would of made me with PPS it was laughable sickening.

?? This has been one of the luckier weeks and months in a while:
Pool Luck(?) (7 days, 30 days, 90 days): 139.2%96.8%106.6%

i'd love to see what deepbit is paying out these days! It's all luck, but p2pool has had some good variance for a while.
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June 21, 2013, 09:20:05 AM
 #5797

haha, i lol'ed @

I dont use P2Fool because the payout over a month or so was so far below what even deepbit would of made me with PPS it was laughable sickening.

?? This has been one of the luckier weeks and months in a while:
Pool Luck(?) (7 days, 30 days, 90 days): 139.2%96.8%106.6%

i'd love to see what deepbit is paying out these days! It's all luck, but p2pool has had some good variance for a while.

that was someone's post on the quoted link (https://bitcointalk.org/index.php?topic=90658.msg998190#msg998190)  from june 2012

Dacentec, best deals for US dedicated servers. They regularly restock $20-$25 Opterons with 8-16GB RAM & 2x1-2TB HDD's (ofc, usually lots of other good stuff to choose from).  I did a Serverbear benchmark of one of my $20/mo Opteron (June last year), it's here.  Have had about a half dozen different servers with Dacentec, & none have failed to sustain at least 40MB/s (burst higher). My favorite is a 12-month rent-to-own ZT Systems 2XL5520 16GB 2x2TB SATA for $40/month (got lucky with the 'off-brand', haven't seen a RTO 2xL5520 for under $50/mo since -- at least for monthly contracts).  wholesaleinternet.com has some ancient 2-core intel CPUs @ $10/mo sometimes (I got an Intel Core 2 6300 @ 1.86GHz, with a 250GB HDD with 46000 hours on it, LOL. $20 @ Dacentec is much better, if you can grab one). joesdatacenter.com (same location as Wholesale Internet) also occasionally has specials (or if you don't want to wait, it has an AMD Opteron 170 @ $16/mo).
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June 21, 2013, 09:40:21 AM
 #5798

Bfl lied. I've made the most money with p2pool.

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maqifrnswa
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June 21, 2013, 03:54:21 PM
 #5799

that was someone's post on the quoted link (https://bitcointalk.org/index.php?topic=90658.msg998190#msg998190)  from june 2012

oh yeah ha - you know what payout really sucks? solo mining. i've been doing that for years and it doesn't payout. It's obvious my bitcoind must be broken.


EDIT: On BFL's forums, some users are reporting > 100% efficiency with 5.5 GH/s miners. I thought reports here were that they don't work?
https://forums.butterflylabs.com/jalapeno-single-sc-support/3367-reducing-20%25-hash-rate-penalty-using-bfl-hardware-p2pool.html#post42224
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June 22, 2013, 12:21:08 AM
 #5800

Maybe higher difficulty would help?

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