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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2567592 times)
spiccioli
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February 26, 2013, 09:00:03 PM
 #4541

Bo One here who Discuss about the l word?

It's pretty obvious something is wrong. normal variance should not be so cyclical.

http://p2pool.info/luck/

To be honest even this "something is broken" issue is very cyclical ... Wink

That said:

- memory consumption seems to happen less when using stratum (I've been using it for two days now and memory is stable around 400 Mb)
- upload traffic and "peers sent a transaction already known" should be addressed, if possible.

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mdude77
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February 27, 2013, 01:11:01 AM
 #4542

Bo One here who Discuss about the l word?

It's pretty obvious something is wrong. normal variance should not be so cyclical.

http://p2pool.info/luck/

To be honest even this "something is broken" issue is very cyclical ... Wink

Very true.  It's still the worst cycle I've ever seen.  I said that before and organ proved it's been worse.  I've wonder if there still have been worse days.

M

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February 27, 2013, 05:25:09 AM
 #4543

Just cant wait for 10x 1h blocks that are commin Tongue

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February 27, 2013, 06:38:26 AM
 #4544

Bo One here who Discuss about the l word?

It's pretty obvious something is wrong. normal variance should not be so cyclical.

http://p2pool.info/luck/

I now agree w/ people that something is wrong, but I don't think it's the cyclical nature of the luck, it's the gradual downturn...

stratum is much slower than longpolling, when not mining to localhost

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February 27, 2013, 06:46:47 AM
 #4545

Bo One here who Discuss about the l word?

It's pretty obvious something is wrong. normal variance should not be so cyclical.

http://p2pool.info/luck/

I now agree w/ people that something is wrong, but I don't think it's the cyclical nature of the luck, it's the gradual downturn...

stratum is much slower than longpolling, when not mining to localhost

Stratum is not inherently slower than longpolling.  In a proper implementation the notification times between long polling and between Stratum are identical (or faster on Stratum since the remote server does less work and requires less burst bandwidth to forward them).

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February 28, 2013, 04:10:22 AM
 #4546

Pool is dying now.. Lost 1/4 of the hashrate. Perhaps it'll come back if there's a good day. Although that would take a 4-7 block streak to bring luck just up to 100%PPS levels for 90 days.
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February 28, 2013, 04:13:29 AM
 #4547

Pool is dying now.. Lost 1/4 of the hashrate. Perhaps it'll come back if there's a good day. Although that would take a 4-7 block streak to bring luck just up to 100%PPS levels for 90 days.

I think it's strange that bad luck streaks at non-PPS pools freak miners out less than bad luck at p2Pool - a pool where a pool op cannot maliciously cause bad luck (lookin' at you, Bitclockers 2011 - early 2012).

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tiberiandusk
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February 28, 2013, 04:19:01 AM
 #4548

I switched back to Eclipse for a while. I was getting too many stales because my getblock latency is so high. Seems to be the internet here and there's nothing I can do about it.

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February 28, 2013, 04:36:18 AM
 #4549

Pool is dying now.. Lost 1/4 of the hashrate. Perhaps it'll come back if there's a good day. Although that would take a 4-7 block streak to bring luck just up to 100%PPS levels for 90 days.

I think it's strange that bad luck streaks at non-PPS pools freak miners out less than bad luck at p2Pool - a pool where a pool op cannot maliciously cause bad luck (lookin' at you, Bitclockers 2011 - early 2012).

I was under the understanding that hashrate has nothing to do with luck.
Successfully finding coins fluctuates and could be said to vary based on luck but hashrate is constant for a given hardware barring bugs.
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February 28, 2013, 04:46:26 AM
 #4550

Pool is dying now.. Lost 1/4 of the hashrate. Perhaps it'll come back if there's a good day. Although that would take a 4-7 block streak to bring luck just up to 100%PPS levels for 90 days.

I think it's strange that bad luck streaks at non-PPS pools freak miners out less than bad luck at p2Pool - a pool where a pool op cannot maliciously cause bad luck (lookin' at you, Bitclockers 2011 - early 2012).

I was under the understanding that hashrate has nothing to do with luck.
Successfully finding coins fluctuates and could be said to vary based on luck but hashrate is constant for a given hardware barring bugs.
He is saying that because of the luck, miners are leaving the pool, not that the luck is lowering the hash rate.

I think its also likely that GPU miners are going offline in general and ASIC miners are not pointing at p2pool because of the initial reports of problems with stratum.

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February 28, 2013, 04:51:30 AM
 #4551

Pool is dying now.. Lost 1/4 of the hashrate. Perhaps it'll come back if there's a good day. Although that would take a 4-7 block streak to bring luck just up to 100%PPS levels for 90 days.

I think it's strange that bad luck streaks at non-PPS pools freak miners out less than bad luck at p2Pool - a pool where a pool op cannot maliciously cause bad luck (lookin' at you, Bitclockers 2011 - early 2012).

I was under the understanding that hashrate has nothing to do with luck.
Successfully finding coins fluctuates and could be said to vary based on luck but hashrate is constant for a given hardware barring bugs.
He is saying that because of the luck, miners are leaving the pool, not that the luck is lowering the hash rate.

I think its also likely that GPU miners are going offline in general and ASIC miners are not pointing at p2pool because of the initial reports of problems with stratum.
Thanks, I misunderstood.
I mixed up this thread and another I have open about a recently reported bug with tanking hashrates that happens on certain miner configurations (for all pools)
organofcorti
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February 28, 2013, 06:00:26 AM
 #4552

Just finished a multivariate Augemented Dickey Fuller test on the p2Pool data shares per round data since Novemeber last year, to find if a trend has actually occurred.

p value for trend occurring: 0.96
p value for drift occurring: 0.99
p value for no trend or drift in data: 0.019

So (and check this out, kano Wink) there has been no trend in the data since Novemeber last year.

Why does it look like there has been some kind of cyclical trend? This is probably due to the method used to illustrate "luck". Any interpretation is likely to vary from actuality in some way, and I recommend you don't use luck charts in general for any important decision about mining.

I'll try to post boxplots and smoothing spline results later.

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rav3n_pl
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February 28, 2013, 07:40:33 AM
 #4553

Looks like new chapter on NPW about P2Pool is comming Smiley

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organofcorti
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February 28, 2013, 09:00:57 AM
 #4554

As a follow up to my last post, here's a better way of judging luck:



the boxplots show the median, quartiles and outliers. The median (the line through the middle of the box) should be ln(2). As you can see, there is significant variation - but not a great deal more variation recently than in previous times.

Looks like new chapter on NPW about P2Pool is comming Smiley

I'm flat out like a lizard drinking atm so if I can make some time for it, sure. But I get a feeling that everytime theres a new p2Pool miner, or new data, someone's going to question whether there's some new problem with the luck. Responding to the same sort of issues every few months is a bit disheartening. It's a Sisyphean task.



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kano
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February 28, 2013, 10:05:10 AM
 #4555

Just finished a multivariate Augemented Dickey Fuller test on the p2Pool data shares per round data since Novemeber last year, to find if a trend has actually occurred.

p value for trend occurring: 0.96
p value for drift occurring: 0.99
p value for no trend or drift in data: 0.019

So (and check this out, kano Wink) there has been no trend in the data since Novemeber last year.

Why does it look like there has been some kind of cyclical trend? This is probably due to the method used to illustrate "luck". Any interpretation is likely to vary from actuality in some way, and I recommend you don't use luck charts in general for any important decision about mining.

I'll try to post boxplots and smoothing spline results later.

Ah well - it just looked like it - but I guess, as we all know, maths often proves something isn't how it looks Cheesy

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organofcorti
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February 28, 2013, 10:19:36 AM
 #4556

Ah well - it just looked like it - but I guess, as we all know, maths often proves something isn't how it looks Cheesy

I know. Everytime I learn something new in probability and statistics I start with an intuitition of what it's about and how it works. I'm almost always wrong.


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btharper
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February 28, 2013, 06:00:18 PM
 #4557

As a follow up to my last post, here's a better way of judging luck:



the boxplots show the median, quartiles and outliers. The median (the line through the middle of the box) should be ln(2). As you can see, there is significant variation - but not a great deal more variation recently than in previous times.

Looks like new chapter on NPW about P2Pool is comming Smiley

I'm flat out like a lizard drinking atm so if I can make some time for it, sure. But I get a feeling that everytime theres a new p2Pool miner, or new data, someone's going to question whether there's some new problem with the luck. Responding to the same sort of issues every few months is a bit disheartening. It's a Sisyphean task.



Any way to get a more in-depth statistical analysis automated enough to host it somewhere like p2pool.info?
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February 28, 2013, 11:14:33 PM
 #4558

I know it's bad luck and all, but there has been 5 blocks found in the past week (should have been 11-14).
organofcorti
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February 28, 2013, 11:32:47 PM
 #4559

Any way to get a more in-depth statistical analysis automated enough to host it somewhere like p2pool.info?

It's possible to automate it. Don't know if p2Pool.info could host it though.

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March 01, 2013, 03:59:59 AM
 #4560

i've officially made a run for the hillz

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