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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2033280 times)
Schleicher
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June 12, 2012, 02:48:12 PM
 #2621

When I start p2pool after being offline for some hours this happens:
Code:
2012-06-12 16:32:10.392000  Pool: 208GH/s Stale rate: 11.8% Expected time to block: 9.0 hours
2012-06-12 16:32:17.471000 Processing 612 shares from 206.248.171.198:9333...
2012-06-12 16:34:58.680000 Requesting parent share 5a9ac730 from 62.108.39.166:9333
2012-06-12 16:34:58.681000 ... done processing 612 shares. New: 612 Have: 25480/~17280
2012-06-12 16:34:58.683000 > ---> LOST CONTACT WITH BITCOIND for 3.0 minutes! Check that it isn't frozen or dead! <---
2012-06-12 16:34:58.703000 P2Pool: 25475 shares in chain (25480 verified/25480 total) Peers: 10 (0 incoming)
2012-06-12 16:34:58.703000  Local: 0H/s in last 0.0 seconds Local dead on arrival: ??? Expected time to share: ???
2012-06-12 16:34:58.704000  Shares: 0 (0 orphan, 0 dead) Stale rate: ??? Efficiency: ??? Current payout: 0.0000 BTC
2012-06-12 16:34:58.704000  Pool: 188GH/s Stale rate: 7.7% Expected time to block: 10.0 hours
2012-06-12 16:35:12.073000 Connection timed out, disconnecting from 62.108.39.166:9333
2012-06-12 16:35:12.074000 Connection timed out, disconnecting from 87.206.34.133:9333
2012-06-12 16:35:12.074000 Connection timed out, disconnecting from 76.119.13.176:9333
2012-06-12 16:35:12.075000 Connection timed out, disconnecting from 79.28.38.221:9333
2012-06-12 16:35:12.075000 Connection timed out, disconnecting from 71.198.5.187:9333
2012-06-12 16:35:12.075000 Connection timed out, disconnecting from 79.119.221.68:9333
2012-06-12 16:35:12.076000 Connection timed out, disconnecting from 79.120.39.174:9333
2012-06-12 16:35:12.077000 Connection timed out, disconnecting from 82.197.205.237:9333
2012-06-12 16:35:12.129000 Connection timed out, disconnecting from 46.223.36.219:9333
2012-06-12 16:35:12.130000 Connection timed out, disconnecting from 206.248.171.198:9333
After a while it's fixing itself.
Why is it having connection problems when it's processing the shares?
The bitcoin client doesn't seem to be affected, it's running just fine.

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rav3n_pl
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June 12, 2012, 03:02:34 PM
 #2622

Code:
> ---> LOST CONTACT WITH BITCOIND for 3.0 minutes! Check that it isn't frozen or dead! <---
2012-06-12 16:35:12.073000 Connection timed out, disconnecting from xxxxx
This indicates one of 2 things:
- your pc has no CPU power to keep bitcoind + p2pool + something else to run properly
- your internet connection is lagging badly

1Rav3nkMayCijuhzcYemMiPYsvcaiwHni  Bitcoin stuff on my OneDrive
My RPC CoinControl for any coin https://bitcointalk.org/index.php?topic=929954
My SatoshDice bot https://bitcointalk.org/index.php?topic=897685
Diapolo
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June 12, 2012, 03:06:05 PM
 #2623

Code:
> ---> LOST CONTACT WITH BITCOIND for 3.0 minutes! Check that it isn't frozen or dead! <---
2012-06-12 16:35:12.073000 Connection timed out, disconnecting from xxxxx
This indicates one of 2 things:
- your pc has no CPU power to keep bitcoind + p2pool + something else to run properly
- your internet connection is lagging badly

Or that bitcoind has crashed / was closed / is busy ^^.

Dia

Liked my former work for Bitcoin Core? Drop me a donation via:
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bitcoin:1PwnvixzVAKnAqp8LCV8iuv7ohzX2pbn5x?label=Diapolo
Schleicher
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June 12, 2012, 03:14:14 PM
 #2624

This indicates one of 2 things:
- your pc has no CPU power to keep bitcoind + p2pool + something else to run properly
- your internet connection is lagging badly
Or that bitcoind has crashed / was closed / is busy ^^.

Dia
Athlon 64 X2 6000+
Windows 7 64bit
No problems with bitcoind. When p2pool lost the connections there were still dozens of connections in the bitcoin client.

Bitcoin donations: 1H2BHSyuwLP9vqt2p3bK9G3mDJsAi7qChw
Fiyasko
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June 12, 2012, 04:54:54 PM
 #2625

*confetti toss* I love P2Pool and all.... But it's just such a pain in the ass... having atleast three windows Always open x.x.....

http://bitcoin-otc.com/viewratingdetail.php?nick=DingoRabiit&sign=ANY&type=RECV <-My Ratings
https://bitcointalk.org/index.php?topic=857670.0 GAWminers and associated things are not to be trusted, Especially the "mineral" exchange
ChanceCoats123
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June 12, 2012, 05:23:46 PM
 #2626

I would get those errors before I realized that I was using the AMD drivers that have the cgminer 100% cpu usage bug. I just manually set bitcoin-qt and p2pool for core 0, and then cgminer for core 1 and it fixed all my problems. My stales went way down as well.
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June 12, 2012, 05:35:04 PM
 #2627

How would a Slow-DoS attack affect p2pool if a percentage of nodes were attacked? If all nodes were attacked?
http://www.guerilla-ciso.com/archives/2049
http://blog.spiderlabs.com/2012/01/modsecurity-advanced-topic-of-the-week-mitigation-of-slow-read-denial-of-service-attack.html

For Bitcoin to be a true global currency the value of BTC needs always to rise.
If BTC became the global currency & money supply = 100 Trillion then ⊅1.00 BTC = $4,761,904.76.
P2Pool Server List | How To's and Guides Mega List |  1EndfedSryGUZK9sPrdvxHntYzv2EBexGA
Soros Shorts
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June 12, 2012, 05:56:20 PM
 #2628

Slow-DOS will lock up the p2pool and bitcoind processes, effectively paralyzing them. However, because this type of attack usually doesn't kill the network connection miners (sharing the same IP address) are free to failover to a public p2pool node or even a regular pool.
rav3n_pl
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June 12, 2012, 06:27:46 PM
 #2629

*confetti toss* I love P2Pool and all.... But it's just such a pain in the ass... having atleast three windows Always open x.x.....

I made simple .net launcher for bitcoind, namecoind and p2pool. All windows invisible. You can close launcher after it all fires up.
To stop all tings need use bictoind stop, namecoind stop and kill p2pool via task manager.
If you are interested...
You will have only take care of miner window or use gui miner Tongue https://bitcointalk.org/?topic=3878.0

1Rav3nkMayCijuhzcYemMiPYsvcaiwHni  Bitcoin stuff on my OneDrive
My RPC CoinControl for any coin https://bitcointalk.org/index.php?topic=929954
My SatoshDice bot https://bitcointalk.org/index.php?topic=897685
Aseras
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June 12, 2012, 07:52:22 PM
 #2630

I'm on several >100% PPS pools.

On which pools are you on?

whoever is paying the most of course.
check_status
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June 12, 2012, 09:36:04 PM
 #2631

What is the record for 'Time since last block'?

For Bitcoin to be a true global currency the value of BTC needs always to rise.
If BTC became the global currency & money supply = 100 Trillion then ⊅1.00 BTC = $4,761,904.76.
P2Pool Server List | How To's and Guides Mega List |  1EndfedSryGUZK9sPrdvxHntYzv2EBexGA
JayCoin
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June 12, 2012, 09:42:54 PM
 #2632

This is the longest block since 164142 which was 4 months ago.

The longest block was 67 days 6 months ago.

all according to p2pool.info

Hello There!
rav3n_pl
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June 12, 2012, 10:20:44 PM
 #2633

67 days on 200GH/s Huh No wonder our luck stats are low...

1Rav3nkMayCijuhzcYemMiPYsvcaiwHni  Bitcoin stuff on my OneDrive
My RPC CoinControl for any coin https://bitcointalk.org/index.php?topic=929954
My SatoshDice bot https://bitcointalk.org/index.php?topic=897685
Tittiez
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June 12, 2012, 10:22:59 PM
 #2634

67 days on 200GH/s Huh No wonder our luck stats are low...

No, that's back when almost nobody used P2Pool. Hashrate was 1-10GH on and off.
ancow
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June 12, 2012, 11:23:36 PM
 #2635

67 days on 200GH/s Huh No wonder our luck stats are low...

Read again, properly: it say 67 days ago!

BTC: 1GAHTMdBN4Yw3PU66sAmUBKSXy2qaq2SF4
rav3n_pl
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June 12, 2012, 11:53:09 PM
 #2636

lol, my english sux badly tonight Tongue
So worst case since 2 months...
Let it roll, I hope it will turn back Smiley
24hrs of pps mining give me bit over 0.07 BTC
If we will back on "proper" track I`ll stick like glue to P2pool forever Smiley

My 0.5% node is open if someone need quick ping in europe:
http://91.235.254.37:9332
Just put address as user name, anything as password and allow to P2pool make it magic Cheesy
I`m keeping my machine up almost 24/7.

1Rav3nkMayCijuhzcYemMiPYsvcaiwHni  Bitcoin stuff on my OneDrive
My RPC CoinControl for any coin https://bitcointalk.org/index.php?topic=929954
My SatoshDice bot https://bitcointalk.org/index.php?topic=897685
check_status
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June 13, 2012, 01:31:24 AM
 #2637

Hi rav3n_pl, I've added your pool to the public P2pool Server List.

For Bitcoin to be a true global currency the value of BTC needs always to rise.
If BTC became the global currency & money supply = 100 Trillion then ⊅1.00 BTC = $4,761,904.76.
P2Pool Server List | How To's and Guides Mega List |  1EndfedSryGUZK9sPrdvxHntYzv2EBexGA
rav3n_pl
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June 13, 2012, 09:21:26 AM
 #2638

Thanks  check_status Smiley

About current stats:
- how it is possible that 10% (about 20 nodes) is still using old/bugged version of pool?
- maybe we should change doa/stale policy to kill only doa and count stale (orphaned) to payout? If I understand correctly even if share is consider orphaned in pool and it is a block it is send/reported to bicoind. So why should we NOT pay miners for this? I see it is about 11% oprhaned and about 2,5% doa.

1Rav3nkMayCijuhzcYemMiPYsvcaiwHni  Bitcoin stuff on my OneDrive
My RPC CoinControl for any coin https://bitcointalk.org/index.php?topic=929954
My SatoshDice bot https://bitcointalk.org/index.php?topic=897685
Aseras
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June 13, 2012, 03:58:16 PM
 #2639

look like this is the new longest block in "recent history"
Red Emerald
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June 13, 2012, 05:58:50 PM
 #2640

look like this is the new longest block in "recent history"
The pool's hash rate is also the lowest it has been in "recent history"

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