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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2033555 times)
newbuntu
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October 25, 2014, 09:39:44 AM
 #10901

@ Ki773r: PatMan is correct. I done some testing of these settings some time ago & posted the results:

I've ordered from batch 1, batch 4 and batch 5.  Even in batch 5 the issues remain, although I did get "lucky" as one of my batch 5 units actually hashes at 504GH/s stable.

I also have one of those lucky ones at 505Gh/s from B1 - it's the most stable one out the lot!!

Following up from this, I've been experimenting a little more with my settings & here's a screen of the results:



(click for larger)

This is 4 x S3's running at various clock speeds. Looking at the graph, I was running --queue 1 up until ~3am (yup, I'm a night time fiddler Cheesy) before changing the setting to --queue 0 & letting them run for the same amount of time. It can clearly be seen that after changing the setting to --queue 0, the DOA rate dropped & smoothed out - this was also confirmed by my nodes info page. Average hash rate was slightly higher as a result, so I'll be keeping all my S3's running with the --queue 0 setting from now on. I'm not saying that this will work for everyone, but it's definitely good for my setup & worth giving a try if you're experiencing a higher than expected DOA rate.
The dip in hash rate at the end of the graph was due to a reboot after updating Xubuntu.

Smoke'em if ya got'em  Cool

Edit: It's also worth mentioning that my reject rate was at ~4% with --queue 1 - and ~2% with the 0 setting. This is running on a local node.

You are quite knowledgeable of p2pool, but to suggest that someone "doesn't know anything about what he is doing" when they clearly do, belittles you & your "legendary" status. Seems you owe him an apology  Wink
Since setting --queue 0 my DOA has dropped to 2.6% and my stale rate is only 1 over the last 16 shares, this is much better than I was getting before making the change.
If there are any other helpful tweaks I'd be happy to consider them for my miners.

Also, and to re-ask, anyone know precisely what the "bad peer ban" refers to? - is it a malicious activity or just a miner having a blonde moment?
Cheers.
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October 25, 2014, 10:51:57 AM
 #10902

It's just a bad (blonde  Cheesy) node, nothing malicious. It shouldn't happen too often, but if you're getting a flood of them from the same IP you can block it with IPtables in Ubuntu  Wink

"When one person is deluded it is called insanity - when many people are deluded it is called religion" - Robert M. Pirsig.  I don't want your coins, I want change.
Amazon UK BTC payment service - https://bitcointalk.org/index.php?topic=301229.0 - with FREE delivery!
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October 25, 2014, 10:54:55 AM
 #10903

@ Ki773r: PatMan is correct. I done some testing of these settings some time ago & posted the results:

I've ordered from batch 1, batch 4 and batch 5.  Even in batch 5 the issues remain, although I did get "lucky" as one of my batch 5 units actually hashes at 504GH/s stable.

I also have one of those lucky ones at 505Gh/s from B1 - it's the most stable one out the lot!!

Following up from this, I've been experimenting a little more with my settings & here's a screen of the results:



(click for larger)

This is 4 x S3's running at various clock speeds. Looking at the graph, I was running --queue 1 up until ~3am (yup, I'm a night time fiddler Cheesy) before changing the setting to --queue 0 & letting them run for the same amount of time. It can clearly be seen that after changing the setting to --queue 0, the DOA rate dropped & smoothed out - this was also confirmed by my nodes info page. Average hash rate was slightly higher as a result, so I'll be keeping all my S3's running with the --queue 0 setting from now on. I'm not saying that this will work for everyone, but it's definitely good for my setup & worth giving a try if you're experiencing a higher than expected DOA rate.
The dip in hash rate at the end of the graph was due to a reboot after updating Xubuntu.

Smoke'em if ya got'em  Cool

Edit: It's also worth mentioning that my reject rate was at ~4% with --queue 1 - and ~2% with the 0 setting. This is running on a local node.

You are quite knowledgeable of p2pool, but to suggest that someone "doesn't know anything about what he is doing" when they clearly do, belittles you & your "legendary" status. Seems you owe him an apology  Wink
Since setting --queue 0 my DOA has dropped to 2.6% and my stale rate is only 1 over the last 16 shares, this is much better than I was getting before making the change.

Cheers.

Glad it worked for you!  Wink

-- Smiley  Thank you for smoking  Smiley --  If you paid VAT to dogie for items you should read this thread:  https://bitcointalk.org/index.php?topic=1018906.0
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October 25, 2014, 01:34:07 PM
 #10904

If you have polled upstream and the recommended value for queue is 1, why use 0.
its a fix for a problem years ago. everyone who still uses/recommends it dosnt know anything about what hes doing Wink
i revoke my statement above. seems there is still crappy HW out that needs this setting.

[GPG Public Key]  [Devcoin Builds]  [BBQCoin Builds]  [Multichain Blockexplorer]  [Multichain Blockexplorer - PoS Coins]  [Ufasoft Miner Linux Builds]
BTC/DVC/TRC/FRC: 1K1773RbXRZVRQSSXe9N6N2MUFERvrdu6y ANC/XPM AK1773RTmRKtvbKBCrUu95UQg5iegrqyeA NMC: NK1773Rzv8b4ugmCgX789PbjewA9fL9Dy1 LTC: LKi773RBuPepQH8E6Zb1ponoCvgbU7hHmd EMC: EK1773RxUes1HX1YAGMZ1xVYBBRUCqfDoF BQC: bK1773R1APJz4yTgRkmdKQhjhiMyQpJgfN
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October 25, 2014, 02:03:39 PM
 #10905

If you have polled upstream and the recommended value for queue is 1, why use 0.
its a fix for a problem years ago. everyone who still uses/recommends it dosnt know anything about what hes doing Wink
i revoke my statement above. seems there is still crappy HW out that needs this setting.

Was that an apology?  Cheesy

If it was, I accept it  Wink

"When one person is deluded it is called insanity - when many people are deluded it is called religion" - Robert M. Pirsig.  I don't want your coins, I want change.
Amazon UK BTC payment service - https://bitcointalk.org/index.php?topic=301229.0 - with FREE delivery!
http://www.ae911truth.org/ - http://rethink911.org/ - http://rememberbuilding7.org/
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October 25, 2014, 05:22:52 PM
 #10906

If you have polled upstream and the recommended value for queue is 1, why use 0.
its a fix for a problem years ago. everyone who still uses/recommends it dosnt know anything about what hes doing Wink
i revoke my statement above. seems there is still crappy HW out that needs this setting.
I'm using S3s. I may experiment with other queue settings to see if there's a noticeable change / difference.
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October 25, 2014, 07:46:58 PM
 #10907

If you have polled upstream and the recommended value for queue is 1, why use 0.
its a fix for a problem years ago. everyone who still uses/recommends it dosnt know anything about what hes doing Wink
i revoke my statement above. seems there is still crappy HW out that needs this setting.
I'm using S3s. I may experiment with other queue settings to see if there's a noticeable change / difference.
mainly devices with really poor CPU power struggle with the queue (under 100% load), thats why disabling it decreases stales.

[GPG Public Key]  [Devcoin Builds]  [BBQCoin Builds]  [Multichain Blockexplorer]  [Multichain Blockexplorer - PoS Coins]  [Ufasoft Miner Linux Builds]
BTC/DVC/TRC/FRC: 1K1773RbXRZVRQSSXe9N6N2MUFERvrdu6y ANC/XPM AK1773RTmRKtvbKBCrUu95UQg5iegrqyeA NMC: NK1773Rzv8b4ugmCgX789PbjewA9fL9Dy1 LTC: LKi773RBuPepQH8E6Zb1ponoCvgbU7hHmd EMC: EK1773RxUes1HX1YAGMZ1xVYBBRUCqfDoF BQC: bK1773R1APJz4yTgRkmdKQhjhiMyQpJgfN
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October 25, 2014, 09:27:44 PM
 #10908

If you have polled upstream and the recommended value for queue is 1, why use 0.
its a fix for a problem years ago. everyone who still uses/recommends it dosnt know anything about what hes doing Wink
i revoke my statement above. seems there is still crappy HW out that needs this setting.
I'm using S3s. I may experiment with other queue settings to see if there's a noticeable change / difference.
mainly devices with really poor CPU power struggle with the queue (under 100% load), thats why disabling it decreases stales.
That makes a lot of sense, thank you for the explanation.
Cheers.
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October 25, 2014, 10:24:03 PM
 #10909

Every once in a while I see a line that says "bad peer banned ... "
can someone please elaborate on what this actually is?
Is this actually someone attempting something nefarious?
Is this a permanent ban for this peer?
Is there a ban list I can manually edit?
Cheers.

EDIT:
I do have firewalls enabled for each device and at each level of the network.

Looking at the code, I believe the list of bad peers is generated in memory so there is no file store of the bad peers.  A peer is added to the list when they submit invalid shares to your node.  Looking at my logs I get a few of these and since they are not from the same IP I do not see them as "nefarious".  Perhaps they could be due to intent or by mistake but since that IP is banned immediately I don't see it as pertinent.

Find the pool with the best payout!
nodes.p2pool.co
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October 25, 2014, 11:36:39 PM
 #10910

Every once in a while I see a line that says "bad peer banned ... "
can someone please elaborate on what this actually is?
Is this actually someone attempting something nefarious?
Is this a permanent ban for this peer?
Is there a ban list I can manually edit?
Cheers.

EDIT:
I do have firewalls enabled for each device and at each level of the network.

Looking at the code, I believe the list of bad peers is generated in memory so there is no file store of the bad peers.  A peer is added to the list when they submit invalid shares to your node.  Looking at my logs I get a few of these and since they are not from the same IP I do not see them as "nefarious".  Perhaps they could be due to intent or by mistake but since that IP is banned immediately I don't see it as pertinent.
Thanks for the input.
It's painful, but i'm sitting watching the terminal window non-stop, any address which is flagged as bad peer banned then I add to my list and block the address and address block in my modem, ufw and router.
I also see other errors crop up and a peer drop and i copy the address into a text file, if i get the same peer more than once then I block that IP as well.
Overkill? perhaps. But I'd rather be safe than sorry.
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October 25, 2014, 11:51:58 PM
 #10911

You got the bug bad......... Cheesy

"When one person is deluded it is called insanity - when many people are deluded it is called religion" - Robert M. Pirsig.  I don't want your coins, I want change.
Amazon UK BTC payment service - https://bitcointalk.org/index.php?topic=301229.0 - with FREE delivery!
http://www.ae911truth.org/ - http://rethink911.org/ - http://rememberbuilding7.org/
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October 26, 2014, 12:13:48 AM
 #10912

You got the bug bad......... Cheesy
Yep, just finished putting together a dual hex-core xeon server so I can free up my desktop and have something new to sit and stare at - can't wait.
Speaking of that - I wonder how many users it can support?
Is 12GB mem enough for a multi merged server like this?
Already learning lots, having loads of fun.
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October 26, 2014, 12:22:39 AM
 #10913

12GB should be enough, I'm using 16GB merge mining 8 coins & it's a bit overkill tbh. Mining is also how I learned to use Xubuntu - it's an excellent & fun way to do it eh?  Smiley

"When one person is deluded it is called insanity - when many people are deluded it is called religion" - Robert M. Pirsig.  I don't want your coins, I want change.
Amazon UK BTC payment service - https://bitcointalk.org/index.php?topic=301229.0 - with FREE delivery!
http://www.ae911truth.org/ - http://rethink911.org/ - http://rememberbuilding7.org/
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October 26, 2014, 12:52:18 AM
 #10914

12GB should be enough, I'm using 16GB merge mining 8 coins & it's a bit overkill tbh. Mining is also how I learned to use Xubuntu - it's an excellent & fun way to do it eh?  Smiley
It's a great learning curve.
I put Ubuntu Server on it, but I'm struggling with the strict text interface, so I broke down and put ubuntu-desktop on for now - until I am more confident.
I'm just doing install after install of everything from the raid0 setup, bare minimum server install, updates and everything needed for the p2pool server and merge coins.
Get used to it, get comfortable, break it, fix it, break it, fix it, rinse and repeat. I'll be ready to go live with it, perhaps, in a day or so.
Any and all advice welcome.
Cheers.
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October 26, 2014, 01:31:55 AM
 #10915

12GB should be enough, I'm using 16GB merge mining 8 coins & it's a bit overkill tbh. Mining is also how I learned to use Xubuntu - it's an excellent & fun way to do it eh?  Smiley
It's a great learning curve.
I put Ubuntu Server on it, but I'm struggling with the strict text interface, so I broke down and put ubuntu-desktop on for now - until I am more confident.
I'm just doing install after install of everything from the raid0 setup, bare minimum server install, updates and everything needed for the p2pool server and merge coins.
Get used to it, get comfortable, break it, fix it, break it, fix it, rinse and repeat. I'll be ready to go live with it, perhaps, in a day or so.
Any and all advice welcome.
Cheers.

Check out webmin.  Makes managing a text based linux server _so_ much easier.

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) 
Buyer beware of Bitmain hardware and services.
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October 26, 2014, 02:25:59 AM
 #10916

I'm having a really strange problem with p2pool and I can't figure it out. Something related to it is killing my ethernet connection, seemingly when I refresh the statistics page randomly.

I asked for help on ubuntu forums, since I think it was a ubuntu problem but now I strongly suspect the issue lies with p2pool.

Here is what I posted on ubuntu forums with all the details: http://ubuntuforums.org/showthread.php?t=2249933

Can a linux/p2pool guru give me a hand? I'm pulling my hair out over here and I've tried everything I can think of / find on google. I'm a linux noob.
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October 26, 2014, 02:59:18 AM
 #10917

I'm having a really strange problem with p2pool and I can't figure it out. Something related to it is killing my ethernet connection, seemingly when I refresh the statistics page randomly.

I asked for help on ubuntu forums, since I think it was a ubuntu problem but now I strongly suspect the issue lies with p2pool.

Here is what I posted on ubuntu forums with all the details: http://ubuntuforums.org/showthread.php?t=2249933

Can a linux/p2pool guru give me a hand? I'm pulling my hair out over here and I've tried everything I can think of / find on google. I'm a linux noob.

I was having the exact same thing happen to me a few months ago, on two different machines, about 2 weeks apart.

The first time it happened was when I started running with two nics to two different neworks, everytime I restarted the computer both connections start, and they seem to fight over who's in control, (even though they're going out to different networks - probably my lack of knowledge and not setting things up correctly), but, if I turned off one and then restarted the other it would be fine and the connection would no longer drop out. For this machine I never solved it, but the band-aid solution of not using the 2nd connection was adequate.

The second instance was a stand-alone nic in a basic 14.04 desktop environment, the connection kept dropping out, I did some updates and restarted the machine and it stopped happening. I don't know what the actual cure was, but double checking that you have all updates and restarting may provide relief.

Unfortunately, this doesn't give you any hard data. But, you're not alone, I did a quick google and a lot of people have had similar happenings, one was solved by uninstalling amule, one was solved by removing the nic and installing a new compatible one.

Cheers.
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October 26, 2014, 03:11:29 AM
 #10918

I'm having a really strange problem with p2pool and I can't figure it out. Something related to it is killing my ethernet connection, seemingly when I refresh the statistics page randomly.

I asked for help on ubuntu forums, since I think it was a ubuntu problem but now I strongly suspect the issue lies with p2pool.

Here is what I posted on ubuntu forums with all the details: http://ubuntuforums.org/showthread.php?t=2249933

Can a linux/p2pool guru give me a hand? I'm pulling my hair out over here and I've tried everything I can think of / find on google. I'm a linux noob.

I was having the exact same thing happen to me a few months ago, on two different machines, about 2 weeks apart.

The first time it happened was when I started running with two nics to two different neworks, everytime I restarted the computer both connections start, and they seem to fight over who's in control, (even though they're going out to different networks - probably my lack of knowledge and not setting things up correctly), but, if I turned off one and then restarted the other it would be fine and the connection would no longer drop out. For this machine I never solved it, but the band-aid solution of not using the 2nd connection was adequate.

The second instance was a stand-alone nic in a basic 14.04 desktop environment, the connection kept dropping out, I did some updates and restarted the machine and it stopped happening. I don't know what the actual cure was, but double checking that you have all updates and restarting may provide relief.

Unfortunately, this doesn't give you any hard data. But, you're not alone, I did a quick google and a lot of people have had similar happenings, one was solved by uninstalling amule, one was solved by removing the nic and installing a new compatible one.

Cheers.

Glad you got it worked out in the end. I can't believe that in 2014 an operating system still can't set up a NIC properly. So far I've tried a board with dual NICs, both realtek. Both had the same issue. Now I'm using a different motherboard with a single Intel NIC (82579V) and it's still happening.

I've installed all available updates, updated the kernel to the latest available, and installed the latest Intel drivers from sourceforge. Rebooted countless times. I don;t know what to try next.. Whenever it messes up it can be fixed by simply clicking the network icon at the top right of the screen and clicking on "Wired connection 1".
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October 26, 2014, 03:24:12 AM
 #10919

Glad you got it worked out in the end. I can't believe that in 2014 an operating system still can't set up a NIC properly. So far I've tried a board with dual NICs, both realtek. Both had the same issue. Now I'm using a different motherboard with a single Intel NIC (82579V) and it's still happening.

I've installed all available updates, updated the kernel to the latest available, and installed the latest Intel drivers from sourceforge. Rebooted countless times. I don;t know what to try next.. Whenever it messes up it can be fixed by simply clicking the network icon at the top right of the screen and clicking on "Wired connection 1".
I wonder if there's some sort of power management / sleep setting interfering with the connection(s). Perhaps a BIOS setting controlling a timer or something within Ubuntu that's putting the NIC to sleep.

Anyone else have a theory?

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October 26, 2014, 09:54:00 AM
 #10920

Ubuntu sucks big hairy goat balls.  Go for Debian - it's the OS Ubuntu used to be before they broke it.
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