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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2031838 times)
zvs
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February 16, 2013, 05:01:06 AM
 #4521

oh, i noticed

-rw-rw-r-- 1  10003163 Feb 15 18:30 shares.12

so it started a new share file  at 6:30, but looks like that started around 5:00-5:30

err, well, on second look, i do see a little notch around 5'ish where i lost an incoming peer and gained another

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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February 16, 2013, 03:21:16 PM
 #4522

yes, we definately need fallback nodes. so in case 1 bitcoind goes down, p2pool goes to the next, same if its lagging.
could you do this forrestv?

My post has nothing to do with the actual p2pool software (that forrestv develops).  I'm talking about the p2pool.info website that monitors the blockchain looking for blocks found by the p2pool software. 

Currently, it doesn't have fallback support.  While it is theoretically possible to add it, I'd rather just find a bitcoin instance to talk to that is in theory available 24/7 (baring unplanned downtime) vs something that comes and goes regularly.  If I can't find a 24/7 bitcoin to talk to, I'll suck it up and either keep running my own out of my house, or I'll do the work to point p2pool.info at blockchain.info.
yea, saw that later too, sry!

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February 18, 2013, 07:50:53 PM
 #4523

i'm finding my orphan rate is still really high in the master branch. it appears the share chain keeps getting "stuck" since there are many unverified shares when I restart p2pool. i also find there are many reports of block stales in the logs. i thought upgrading bitcoind to 0.8rc1, deleting the share and peer files would help, but it has not. for me p2pool has effectively been totally broken for any serious mining since upgrading to sharechain v10. my twisted module is v12 and I'm still seeing the memory leak as well.

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February 20, 2013, 01:34:58 AM
 #4524

KC has asked me to post this on his behalf as he has yet to be white-listed. I haven't had a chance to investigate or even speculate if the same issue is affecting me, but perhaps this info will be useful to others in the meantime.

Quote from: KC_Atlanta
Hi Rouge Star,
I'm new to the forum and still in the newbies sandbox, so I can't post this, but wanted to share with you in hopes it helps. If it does, please repost to the forum as it may be a while before I can get the information up there myself. I'd spent some time looking to see if this had already been covered but found nothing related.

In a nutshell, I'd spent 4 days trying to figure out why my stale /orphan and rejected rates were abnormally high and had been troubleshooting as a network issue. My ISP forces me to do some extra work to set up NAT, so I'd double checked my NAT and FW rules verify that port 9333 was forwarding correctly and was sure it was.
From the machine I run P2Pool on, I fired up wireshark and filtered on tcp 9333 to make sure it was working asynchronously when I noticed a problem with numerous packets returning invalid IP and TCP checksums.
You may already know, most new NIC's by default will perform TCP, IP and UDP checksum calculations on board and I've run into issues with this especially with NAT where a firewall will drop the packet due to the invalid checksum. I disabled all of the "offload checksum" features on the NIC, and have had a huge improvement overnight with only 1 Stale, 2 orphans and <1% rejected in the last 12 hours.

Best of luck,
-KC

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February 20, 2013, 01:37:12 AM
 #4525

I turned off port forwarding to solve my reject problem.

But I'm not using p2pool atm.  I switched when stratum support came out and things went south.  So far I haven't regretted that decision...

M

KC has asked me to post this on his behalf as he has yet to be white-listed. I haven't had a chance to investigate or even speculate if the same issue is affecting me, but perhaps this info will be useful to others in the meantime.

Quote from: KC_Atlanta
Hi Rouge Star,
I'm new to the forum and still in the newbies sandbox, so I can't post this, but wanted to share with you in hopes it helps. If it does, please repost to the forum as it may be a while before I can get the information up there myself. I'd spent some time looking to see if this had already been covered but found nothing related.

In a nutshell, I'd spent 4 days trying to figure out why my stale /orphan and rejected rates were abnormally high and had been troubleshooting as a network issue. My ISP forces me to do some extra work to set up NAT, so I'd double checked my NAT and FW rules verify that port 9333 was forwarding correctly and was sure it was.
From the machine I run P2Pool on, I fired up wireshark and filtered on tcp 9333 to make sure it was working asynchronously when I noticed a problem with numerous packets returning invalid IP and TCP checksums.
You may already know, most new NIC's by default will perform TCP, IP and UDP checksum calculations on board and I've run into issues with this especially with NAT where a firewall will drop the packet due to the invalid checksum. I disabled all of the "offload checksum" features on the NIC, and have had a huge improvement overnight with only 1 Stale, 2 orphans and <1% rejected in the last 12 hours.

Best of luck,
-KC

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Subo1977
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February 20, 2013, 05:34:49 AM
 #4526

Does p2pool needs this Funktion from bitcoind 0.8?
"
This release no longer maintains a full index of historical transaction ids
by default, so looking up an arbitrary transaction using the getrawtransaction
RPC call will not work. If you need that functionality, you must run once
with -txindex=1 -reindex=1 to rebuild block-chain indices (see below for more
details)." ?

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February 20, 2013, 08:16:50 PM
 #4527

I turned off port forwarding to solve my reject problem.

But I'm not using p2pool atm.  I switched when stratum support came out and things went south.  So far I haven't regretted that decision...

M

KC has asked me to post this on his behalf as he has yet to be white-listed. I haven't had a chance to investigate or even speculate if the same issue is affecting me, but perhaps this info will be useful to others in the meantime.

Quote from: KC_Atlanta
Hi Rouge Star,
I'm new to the forum and still in the newbies sandbox, so I can't post this, but wanted to share with you in hopes it helps. If it does, please repost to the forum as it may be a while before I can get the information up there myself. I'd spent some time looking to see if this had already been covered but found nothing related.

In a nutshell, I'd spent 4 days trying to figure out why my stale /orphan and rejected rates were abnormally high and had been troubleshooting as a network issue. My ISP forces me to do some extra work to set up NAT, so I'd double checked my NAT and FW rules verify that port 9333 was forwarding correctly and was sure it was.
From the machine I run P2Pool on, I fired up wireshark and filtered on tcp 9333 to make sure it was working asynchronously when I noticed a problem with numerous packets returning invalid IP and TCP checksums.
You may already know, most new NIC's by default will perform TCP, IP and UDP checksum calculations on board and I've run into issues with this especially with NAT where a firewall will drop the packet due to the invalid checksum. I disabled all of the "offload checksum" features on the NIC, and have had a huge improvement overnight with only 1 Stale, 2 orphans and <1% rejected in the last 12 hours.

Best of luck,
-KC

Ditto.

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February 21, 2013, 12:59:58 AM
 #4528

How do I make p2pool work for both bitcoin and litecoin simultanously?
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February 21, 2013, 01:37:59 AM
 #4529

How do I make p2pool work for both bitcoin and litecoin simultanously?
You would need to run two instances. One to handle BTC, one to handle LTC. Each one needs it's own config file as well, and that's where you tell it which currency it should pay attention to.
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February 21, 2013, 06:30:51 AM
 #4530

How do I make p2pool work for both bitcoin and litecoin simultanously?
RTFM? It is described in readme....

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February 21, 2013, 06:44:09 AM
 #4531

Thank you
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February 23, 2013, 12:50:48 AM
 #4532

KC has asked me to post this on his behalf as he has yet to be white-listed. I haven't had a chance to investigate or even speculate if the same issue is affecting me, but perhaps this info will be useful to others in the meantime.

Quote from: KC_Atlanta
Hi Rouge Star,
I'm new to the forum and still in the newbies sandbox, so I can't post this, but wanted to share with you in hopes it helps. If it does, please repost to the forum as it may be a while before I can get the information up there myself. I'd spent some time looking to see if this had already been covered but found nothing related.

In a nutshell, I'd spent 4 days trying to figure out why my stale /orphan and rejected rates were abnormally high and had been troubleshooting as a network issue. My ISP forces me to do some extra work to set up NAT, so I'd double checked my NAT and FW rules verify that port 9333 was forwarding correctly and was sure it was.
From the machine I run P2Pool on, I fired up wireshark and filtered on tcp 9333 to make sure it was working asynchronously when I noticed a problem with numerous packets returning invalid IP and TCP checksums.
You may already know, most new NIC's by default will perform TCP, IP and UDP checksum calculations on board and I've run into issues with this especially with NAT where a firewall will drop the packet due to the invalid checksum. I disabled all of the "offload checksum" features on the NIC, and have had a huge improvement overnight with only 1 Stale, 2 orphans and <1% rejected in the last 12 hours.

Best of luck,
-KC

not because of any firewall, but I do this on all my systems as well (w/ netsh in windows and ethtool in linux)...   unless I'm missing something here, the offloading is only beneficial if your CPU is overworked... otherwise it's faster to just not do any offloading (don't need to offload if your CPU is at 99% idle?).  I disable RSS, chimney, and netdma in Windows as well...  Leave DCA on unless I'm having CPU issues (then it goes off and some of the others come on, like NetDMA and offloading)

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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February 25, 2013, 03:19:17 PM
 #4533

There's definitely something going on in the background. After 5-7 days my latency goes way up and it slows everything down and I start getting much more dead/orphans. By 9 days p2pool goes almost all dead work. A reboot/restart fixes it all. Instantly. I'd suggest just putting in a switch or script that makes p2pool restart ever 24-36 hours as a temporary "fix/workaround"
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February 25, 2013, 03:20:26 PM
 #4534

How do I make p2pool work for both bitcoin and litecoin simultanously?

change a port in the conf. both try to use 9332.
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February 25, 2013, 03:38:15 PM
 #4535

How do I make p2pool work for both bitcoin and litecoin simultanously?

change a port in the conf. both try to use 9332.

thanks
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February 25, 2013, 03:59:41 PM
 #4536

There's definitely something going on in the background. After 5-7 days my latency goes way up and it slows everything down and I start getting much more dead/orphans. By 9 days p2pool goes almost all dead work. A reboot/restart fixes it all. Instantly. I'd suggest just putting in a switch or script that makes p2pool restart ever 24-36 hours as a temporary "fix/workaround"

+1

My Memory gets blown up... and my income goes down....

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February 25, 2013, 04:50:15 PM
 #4537

Aseras/Subo1977: Are you using P2Pool 11.2 (the current newest version)? It fixed a memory leak that caused similar problems.

1J1zegkNSbwX4smvTdoHSanUfwvXFeuV23
Subo1977
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February 25, 2013, 05:00:13 PM
 #4538

Aseras/Subo1977: Are you using P2Pool 11.2 (the current newest version)? It fixed a memory leak that caused similar problems.

Yes actual  p2pool and bitcoind from git

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

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February 25, 2013, 08:28:08 PM
 #4539

Aseras/Subo1977: Are you using P2Pool 11.2 (the current newest version)? It fixed a memory leak that caused similar problems.

Yes 11.2 and .7.2
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February 25, 2013, 08:51:43 PM
 #4540

Aseras/Subo1977: Are you using P2Pool 11.2 (the current newest version)? It fixed a memory leak that caused similar problems.
Perhaps issue a warning if twisted.version < 11.1? Because that could explain it...
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