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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2591584 times)
mdude77
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April 29, 2013, 09:27:14 AM
 #5121

So I tried the current version of p2pool on a single 5.7GHz Jalapeño with cgminer connecting via stratum. This works out to about 80 diff1 shares per minute. It "works" in a sense of the word, without causing any weird errors or duplicating work that happen with the Avalon but there are huge lags between share submission and responses from p2pool after a while. Watching the CPU usage, I see a spike to 100% of one core whenever a block of transactions comes in and that coincides with the lag to respond to share submission, leading to more stale rejects if that occurs at the wrong time. The CPU in question is a 12 thread 3.4GHz CPU so it is clearly not underpowered. I suspect what happens on the Avalon is simply a grossly exaggerated form of this leading to misbehaviour.

the same thing happens with GPUs while using cgminer (not a cgminer problem, but stratum I would think)

i think i commented on that some months ago

minerd picks up the new work much quicker, and it is better to use phoenix for p2pool, or not use stratum
Yes using getwork with the jalapeño is actually better than using stratum, which is counter-intuitive and adds weight to the argument that there is a problem with p2pool's stratum implementation. Having said that, if forrestv can get one as a donation from BFL, that will benefit everyone because I'm sure there will be incentive on his part to investigate and develop further. Many people have approached me about rewriting p2pool from scratch in c, and as much fun as that sounds, I seriously don't have the time to support another project of this magnitude and would rather see the original author continue it.

You know, funny you should say that.  I was considering doing the same thing ... rewriting in C.  It would be quite a project indeed.

M

I mine at Kano's Pool because it pays the best and is completely transparent!  Come join me!
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forrestv (OP)
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April 29, 2013, 07:38:46 PM
 #5122

P2Pool release 11.4 commit hash: 0cb07df5623645bc1082f87d3380f6d085a609be

Windows binary: http://u.forre.st/u/jlowtmzq/p2pool_win32_11.4.zip
Windows binary signature: http://u.forre.st/u/flasczol/p2pool_win32_11.4.zip.sig
Source zipball: https://github.com/forrestv/p2pool/zipball/11.4
Source tarball: https://github.com/forrestv/p2pool/tarball/11.4

Changes:
* Fixed a few more potential memory leaks
* Memory usage graph now works in Windows, thanks to David Kassa

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gyverlb
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April 29, 2013, 07:46:44 PM
 #5123

forrestv: you may want to update the subject of the thread, the pool seems to stabilize at more than 650GH/s now.

P2pool tuning guide
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forrestv (OP)
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April 29, 2013, 07:49:59 PM
 #5124

forrestv: you may want to update the subject of the thread, the pool seems to stabilize at more than 650GH/s now.
Good point. Used 700GH/s, as it is now Smiley

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April 30, 2013, 12:49:35 AM
 #5125

Some kind of DOS attack?

Got three "GOT INCOMPLETE BLOCK FROM PEER" messages and then p2pool stopped. Peer IP is 192.203.228.65

Now just got another one.

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mdude77
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April 30, 2013, 12:54:12 AM
 #5126

Some kind of DOS attack?

Got three "GOT INCOMPLETE BLOCK FROM PEER" messages and then p2pool stopped. Peer IP is 192.203.228.65

Now just got another one.

Mine's been acting funny the last 24 hours too.  I should be between .25 and .30 per block, been below .20 the last 5.

M

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forrestv (OP)
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April 30, 2013, 12:55:12 AM
 #5127

Some kind of DOS attack?

Got three "GOT INCOMPLETE BLOCK FROM PEER" messages and then p2pool stopped. Peer IP is 192.203.228.65

Now just got another one.

What do you mean by "p2pool stopped"?

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April 30, 2013, 01:11:48 AM
 #5128

Some kind of DOS attack?

Got three "GOT INCOMPLETE BLOCK FROM PEER" messages and then p2pool stopped. Peer IP is 192.203.228.65

Now just got another one.

Is this you by any chance?

2013-04-29 16:39:08.307039 Incoming connection to peer 74.100.64.248:56708 established. p2pool version: 1100 '11.2'
2013-04-29 16:39:08.472251 Sending 1 shares to 74.100.64.248:56708
2013-04-29 16:39:08.474522 Lost peer 74.100.64.248:56708 - Connection was closed cleanly.
2013-04-29 16:39:08.475089 > in handle_share_hashes:
2013-04-29 16:39:08.475163 > Traceback (most recent call last):
2013-04-29 16:39:08.475245 > Failure: twisted.internet.error.ConnectionDone: Connection was closed cleanly.

That particular peer is having a lot of trouble:

$ grep 'Lost peer' log | awk '{print $5}' | sed -e 's/:.*//' | sort | uniq -c | sort -nr
 168 74.100.64.248
   5 123.159.6.63
   2 216.153.20.29
.. nothing else more than one..

The #2 on the list is doing things like this:

2013-04-29 08:50:54.110763 Connection timed out, disconnecting from 123.159.6.63:54137
2013-04-29 08:50:54.111417 Lost peer 123.159.6.63:54137 -
2013-04-29 08:50:54.111508     Connection was aborted locally, using
2013-04-29 08:50:54.111569     L{twisted.internet.interfaces.ITCPTransport.abortConnection}.

Are either of those two yours?

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April 30, 2013, 02:07:29 AM
 #5129

Some kind of DOS attack?

Got three "GOT INCOMPLETE BLOCK FROM PEER" messages and then p2pool stopped. Peer IP is 192.203.228.65

Now just got another one.

Is this you by any chance?

2013-04-29 16:39:08.307039 Incoming connection to peer 74.100.64.248:56708 established. p2pool version: 1100 '11.2'
2013-04-29 16:39:08.472251 Sending 1 shares to 74.100.64.248:56708
2013-04-29 16:39:08.474522 Lost peer 74.100.64.248:56708 - Connection was closed cleanly.
2013-04-29 16:39:08.475089 > in handle_share_hashes:
2013-04-29 16:39:08.475163 > Traceback (most recent call last):
2013-04-29 16:39:08.475245 > Failure: twisted.internet.error.ConnectionDone: Connection was closed cleanly.

That particular peer is having a lot of trouble:

$ grep 'Lost peer' log | awk '{print $5}' | sed -e 's/:.*//' | sort | uniq -c | sort -nr
 168 74.100.64.248
   5 123.159.6.63
   2 216.153.20.29
.. nothing else more than one..

The #2 on the list is doing things like this:

2013-04-29 08:50:54.110763 Connection timed out, disconnecting from 123.159.6.63:54137
2013-04-29 08:50:54.111417 Lost peer 123.159.6.63:54137 -
2013-04-29 08:50:54.111508     Connection was aborted locally, using
2013-04-29 08:50:54.111569     L{twisted.internet.interfaces.ITCPTransport.abortConnection}.

Are either of those two yours?


No. But see PM.

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Richy_T
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April 30, 2013, 02:11:48 AM
 #5130

Some kind of DOS attack?

Got three "GOT INCOMPLETE BLOCK FROM PEER" messages and then p2pool stopped. Peer IP is 192.203.228.65

Now just got another one.

What do you mean by "p2pool stopped"?

Miner got disconnected, p2pool not doing anything apparently though since a fourth message came up, it looks like it was not completely dead. I did a simple restart of the process and things seem fine so far. I guess I waited about 5 minutes before restarting it (did not have to reboot).

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Mogumodz
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April 30, 2013, 02:45:30 AM
 #5131

Anyone see any problem running and updating 11.4 along side my working 11.3 node while it verifies all the shares?

I seem to recall this being asked a few pages back but can't seem to find it so might have dreamt it.

The output says it can't bind to the p2p port or worker port so my current mining, website stats, graphs etc are unaffected but it's verifying shares so thought could this work?



Just wanted to know If this is ok before I assume anything.

Bitcoin OTC rating GPG ID: 3E7974A1 P2Pool statistics: p2pool.info
bitpop
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April 30, 2013, 02:49:06 AM
 #5132

Yes that's exactly the procedure in the readme if I remember correctly.

Mogumodz
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April 30, 2013, 02:49:20 AM
 #5133

Yes that's exactly the procedure in the readme if I remember correctly.

Thanks

Bitcoin OTC rating GPG ID: 3E7974A1 P2Pool statistics: p2pool.info
daemondazz
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April 30, 2013, 03:37:49 AM
 #5134

Yes, it will keep attempting to bind to the ports, so once it's completed stop the old one then it should be able to.

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April 30, 2013, 05:02:57 AM
 #5135

P2Pool release 11.4 commit hash: 0cb07df5623645bc1082f87d3380f6d085a609be

Windows binary: http://u.forre.st/u/jlowtmzq/p2pool_win32_11.4.zip
Windows binary signature: http://u.forre.st/u/flasczol/p2pool_win32_11.4.zip.sig
Source zipball: https://github.com/forrestv/p2pool/zipball/11.4
Source tarball: https://github.com/forrestv/p2pool/tarball/11.4

Changes:
* Fixed a few more potential memory leaks
* Memory usage graph now works in Windows, thanks to David Kassa

When on git?

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X[[]]X
rav3n_pl
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April 30, 2013, 06:28:12 AM
 #5136

It IS on git, 11.4 is only number ;]

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April 30, 2013, 10:13:08 AM
 #5137

Hello everybody,

Yesterday I switched from my attempt of doing some solo mining to adding my small hashrate to p2pool Smiley

But im seeing something strange, CGMiner is saying that is submitting shares and them being accepted but in my stats in p2pool still says 0 Sad

Any suggestion of what can it be?

Im running windows, feel free to ask whatever other information you may need Smiley

Best regards!
mdude77
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April 30, 2013, 10:14:42 AM
 #5138

Hello everybody,

Yesterday I switched from my attempt of doing some solo mining to adding my small hashrate to p2pool Smiley

But im seeing something strange, CGMiner is saying that is submitting shares and them being accepted but in my stats in p2pool still says 0 Sad

Any suggestion of what can it be?

Im running windows, feel free to ask whatever other information you may need Smiley

Best regards!

Shares submitted by cgminer aren't necessarily shares accepted by p2pool.  What type of hashrate do you have?  Difficulty is pretty high.

M

I mine at Kano's Pool because it pays the best and is completely transparent!  Come join me!
bitpop
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April 30, 2013, 10:20:10 AM
 #5139

There are shares that only measure speed

bitpop
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April 30, 2013, 10:20:36 AM
 #5140

And how the hell were you solo mining?

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