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Question: What type of pool payouts do you prefer?
Bitcoins - 3210 (80.4%)
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Total Voters: 3989

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Author Topic: [150+ PH] SlushPool (slushpool.com); World's First Mining Pool  (Read 4322232 times)
arashiyama
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December 18, 2013, 04:09:23 PM
 #13741

Wonder if Slush will  offer pool members TREZOR discounts.
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Sir Alan
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December 18, 2013, 05:04:42 PM
 #13742

Wonder if Slush will  offer pool members TREZOR discounts.
It would have to be a big discount; the exchange rate is at present more than four times what it was when the Trezor was first advertised, making it a very expensive gadget indeed.  I would be surprised if anybody would wish to buy, however good it is.

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KNK
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December 18, 2013, 06:18:02 PM
 #13743

One and half hours past noon (UTC) and we have still only two blocks today...
It was so close, to celebrate the 3-rd year with 3 rounds, but there is still time to make a record for the daily luck ... the lowest I saw by now was 46% or 43% [/sick humor]

Happy Birthday to the pool, I wish you (and to all of us pool members) to grow in number of rounds per day, members and hashrate, never being DoS-ed and pool servers never crash!

BTC tips: 1KNK1akhpethhtcyhKTF2d3PWTQDUWUzHE
alxAcid
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December 18, 2013, 07:22:46 PM
 #13744

Four blocks found in an hour and a half.

gg pool  Cool

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EasyQuest
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December 18, 2013, 07:36:21 PM
 #13745

Four blocks found in an hour and a half.

gg pool  Cool

One of them is an orphan...... no rewards coming from that block.

http://blockchain.info/block/000000000000000203a44d84c90d2f1e31b10d03fa1493d3f42c53ce219835a9?site=slush

Block: 275684
InfiniteGrim
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December 18, 2013, 07:57:07 PM
 #13746

If it was orphaned, why did I just get BTC from it??? Will they take that back?
Sir Alan
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December 18, 2013, 08:32:33 PM
 #13747

If it was orphaned, why did I just get BTC from it??? Will they take that back?
You haven't got confirmed BTC from it.  It will be deducted from the total as soon as it is flagged as Invalid.

Rather galling, considering that our result was timed first (by one second).

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Melb
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December 19, 2013, 12:45:41 AM
 #13748

If it was orphaned, why did I just get BTC from it??? Will they take that back?
Rather galling, considering that our result was timed first (by one second).

Shouldn't that make it our block?
eleuthria
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December 19, 2013, 01:29:23 AM
 #13749

If it was orphaned, why did I just get BTC from it??? Will they take that back?
You haven't got confirmed BTC from it.  It will be deducted from the total as soon as it is flagged as Invalid.

Rather galling, considering that our result was timed first (by one second).

You can send ghash.io your thanks on that one.  Their connectivity with the majority of nodes/pools is downright malicious in how bad it is.

RIP BTC Guild, April 2011 - June 2015
organofcorti
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December 19, 2013, 01:55:13 AM
 #13750

If it was orphaned, why did I just get BTC from it??? Will they take that back?
You haven't got confirmed BTC from it.  It will be deducted from the total as soon as it is flagged as Invalid.

Rather galling, considering that our result was timed first (by one second).

You can send ghash.io your thanks on that one.  Their connectivity with the majority of nodes/pools is downright malicious in how bad it is.

How can ghash.io negatively influence another pool's orphan rate? I can see how being well connected can reduce their own orphan rate, but how can they increase someone else's orphan rate? 


Bitcoin network and pool analysis 12QxPHEuxDrs7mCyGSx1iVSozTwtquDB3r
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eleuthria
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December 19, 2013, 03:20:39 AM
 #13751

If it was orphaned, why did I just get BTC from it??? Will they take that back?
You haven't got confirmed BTC from it.  It will be deducted from the total as soon as it is flagged as Invalid.

Rather galling, considering that our result was timed first (by one second).

You can send ghash.io your thanks on that one.  Their connectivity with the majority of nodes/pools is downright malicious in how bad it is.

How can ghash.io negatively influence another pool's orphan rate? I can see how being well connected can reduce their own orphan rate, but how can they increase someone else's orphan rate? 



Most pools are in at least decent datacenters, which happens to mean they have low latencies with the other pools since they're both close to backbone bandwidth providers.  This reduces overall network orphan rate because the average time between block notifications between the majority of the network hash rate is significantly lower than what it would be between people just running on random local ISPs.  At the same time, GHash.io has abysmal latency and/or absolutely no peers setup between pools, or they're purposely ignoring competing blocks sometimes based on the sheer number of orphan races they compete in.  This is based on admittedly more casual observation rather than deep analysis, but I know other pool ops have been seeing more losing orphan races than usual as a result of ghash.io.

RIP BTC Guild, April 2011 - June 2015
kendog77
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December 19, 2013, 03:38:22 AM
 #13752

If it was orphaned, why did I just get BTC from it??? Will they take that back?
You haven't got confirmed BTC from it.  It will be deducted from the total as soon as it is flagged as Invalid.

Rather galling, considering that our result was timed first (by one second).

You can send ghash.io your thanks on that one.  Their connectivity with the majority of nodes/pools is downright malicious in how bad it is.

How can ghash.io negatively influence another pool's orphan rate? I can see how being well connected can reduce their own orphan rate, but how can they increase someone else's orphan rate? 



Most pools are in at least decent datacenters, which happens to mean they have low latencies with the other pools since they're both close to backbone bandwidth providers.  This reduces overall network orphan rate because the average time between block notifications between the majority of the network hash rate is significantly lower than what it would be between people just running on random local ISPs.  At the same time, GHash.io has abysmal latency and/or absolutely no peers setup between pools, or they're purposely ignoring competing blocks sometimes based on the sheer number of orphan races they compete in.  This is based on admittedly more casual observation rather than deep analysis, but I know other pool ops have been seeing more losing orphan races than usual as a result of ghash.io.

Hopefully ghash.io is not testing out the selfish mining strategy...
eleuthria
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December 19, 2013, 05:39:33 AM
 #13753

Hopefully ghash.io is not testing out the selfish mining strategy...

I'm more inclined to say incompetence over malice.  I honestly think they don't have the slightest clue what they're doing when it comes to setting up a pool and bitcoind node, as demonstrated by their almost daily outages of either their public pool or private mining side (or both).

RIP BTC Guild, April 2011 - June 2015
organofcorti
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December 19, 2013, 06:18:23 AM
 #13754

How can ghash.io negatively influence another pool's orphan rate? I can see how being well connected can reduce their own orphan rate, but how can they increase someone else's orphan rate? 



Most pools are in at least decent datacenters, which happens to mean they have low latencies with the other pools since they're both close to backbone bandwidth providers.  This reduces overall network orphan rate because the average time between block notifications between the majority of the network hash rate is significantly lower than what it would be between people just running on random local ISPs.  At the same time, GHash.io has abysmal latency and/or absolutely no peers setup between pools, or they're purposely ignoring competing blocks sometimes based on the sheer number of orphan races they compete in.  This is based on admittedly more casual observation rather than deep analysis, but I know other pool ops have been seeing more losing orphan races than usual as a result of ghash.io.

So you mean that GHash.IO are could be causing more orphan races than usual, rather than winning more orphan races than usual? Or both?

Am I right in assuming that this is only an issue because they have such a large chunk of the pie?

Bitcoin network and pool analysis 12QxPHEuxDrs7mCyGSx1iVSozTwtquDB3r
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eleuthria
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December 19, 2013, 06:24:40 AM
 #13755

How can ghash.io negatively influence another pool's orphan rate? I can see how being well connected can reduce their own orphan rate, but how can they increase someone else's orphan rate? 



Most pools are in at least decent datacenters, which happens to mean they have low latencies with the other pools since they're both close to backbone bandwidth providers.  This reduces overall network orphan rate because the average time between block notifications between the majority of the network hash rate is significantly lower than what it would be between people just running on random local ISPs.  At the same time, GHash.io has abysmal latency and/or absolutely no peers setup between pools, or they're purposely ignoring competing blocks sometimes based on the sheer number of orphan races they compete in.  This is based on admittedly more casual observation rather than deep analysis, but I know other pool ops have been seeing more losing orphan races than usual as a result of ghash.io.

So you mean that GHash.IO are could be causing more orphan races than usual, rather than winning more orphan races than usual? Or both?

Am I right in assuming that this is only an issue because they have such a large chunk of the pie?

I'll do an exact count later.  They are not winning more orphan races than usual given their hash rate.  But for the most part, the seem to more often than not lose an orphan race to anybody else if they didn't solve the next block themselves (because rarely is their block the first seen by the rest of the network when they're in a race), and they definitely are participating in an unusually large number of orphan races for being ~30% of the network.

RIP BTC Guild, April 2011 - June 2015
gourmet
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December 19, 2013, 08:04:33 AM
 #13756

If it was orphaned, why did I just get BTC from it??? Will they take that back?
You haven't got confirmed BTC from it.  It will be deducted from the total as soon as it is flagged as Invalid.

Rather galling, considering that our result was timed first (by one second).

Both block Timestamp and Time received on Blockchain.info is one second earlier for us...
It's a bit strange that somebody can influence the validity of our block later... It looks like a "xx % attack" (not literally, of course, but it works that way, even when xx < 50 %). When somebody ignores a block and builds on a newer one, that is his one... With enough power, it can make some gain.
KNK
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December 19, 2013, 08:44:29 AM
 #13757

And another one - 275792
This time ours is 15 sec earlier, but GHash.IO found two in a row in less than a minute.

BTC tips: 1KNK1akhpethhtcyhKTF2d3PWTQDUWUzHE
KNK
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December 19, 2013, 09:20:02 AM
 #13758

Hopefully ghash.io is not testing out the selfish mining strategy...

I'm more inclined to say incompetence over malice.  I honestly think they don't have the slightest clue what they're doing when it comes to setting up a pool and bitcoind node, as demonstrated by their almost daily outages of either their public pool or private mining side (or both).
On my opinion the problem is that most of their hashing power is in locations with low cost electricity and space, which is usually in locations with bad connectivity (at the end of the world and a bit further). Because of that each datacenter is working on it's own mostly, with just few outside connections to synchronize with the network.

So you mean that GHash.IO are could be causing more orphan races than usual, rather than winning more orphan races than usual? Or both?

Am I right in assuming that this is only an issue because they have such a large chunk of the pie?
I think it's both (causing and winning), because of large chunk separated from badly connected to the network.

It was similar when ASICminer had a big chunk in a single location with good connectivity - GHash.IO have it in few with bad connectivity, so the problem appeared a bit earlier.

There should be no single entity with much power (no more than 25%), but there is also another reason causing the big number of orphans - the rate is 9.63 blocks per hour, which is also 30+% over the normal rate for the network. Once it drops below 20% the things will normalize.

BTC tips: 1KNK1akhpethhtcyhKTF2d3PWTQDUWUzHE
organofcorti
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December 19, 2013, 10:32:16 AM
 #13759

So you mean that GHash.IO are could be causing more orphan races than usual, rather than winning more orphan races than usual? Or both?

Am I right in assuming that this is only an issue because they have such a large chunk of the pie?
I think it's both (causing and winning), because of large chunk separated from badly connected to the network.

It was similar when ASICminer had a big chunk in a single location with good connectivity - GHash.IO have it in few with bad connectivity, so the problem appeared a bit earlier.

There should be no single entity with much power (no more than 25%), but there is also another reason causing the big number of orphans - the rate is 9.63 blocks per hour, which is also 30+% over the normal rate for the network. Once it drops below 20% the things will normalize.


I'm not quite following you there - BTCGuild has had well over 30% of the hashrate at times and has not caused similar issues.

Bitcoin network and pool analysis 12QxPHEuxDrs7mCyGSx1iVSozTwtquDB3r
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phrozenspite
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December 19, 2013, 12:10:41 PM
 #13760

hey slush or another admin can you check the helpdesk for the site?

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