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Author Topic: [1050 TH] BitMinter.com [1% PPLNS,Pays TxFees +MergedMining,Stratum,GBT,vardiff]  (Read 833213 times)
DrHaribo
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December 04, 2012, 05:42:51 PM
 #2201

Last block mined has 0 TX in. Something might be wrong.

Just some miners still on ancient cgminer versions. Those blocks are already rare and will be rarer as more people upgrade their miners. I send a message to upgrade whenever those miners get a reject, but I guess most miners aren't watching their logs that much.

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lenny_
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December 04, 2012, 11:25:52 PM
 #2202

Last block mined has 0 TX in. Something might be wrong.

Just some miners still on ancient cgminer versions. Those blocks are already rare and will be rarer as more people upgrade their miners. I send a message to upgrade whenever those miners get a reject, but I guess most miners aren't watching their logs that much.


Can you explain it, please? What is so wrong with old versions?
Code:
BTC block at height 210874
Minted by: dynasty
That's mean dynasty have old, obsolete cgminer version and that's why we generated empty, useless block?

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DrHaribo
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December 05, 2012, 06:40:55 AM
 #2203

Can you explain it, please? What is so wrong with old versions?

Old cgminer/bfgminer have a bug that suddenly make them request work from the server over and over as fast as they can. This amounts to a DDoS attack which can be quite heavy for the server. Giving those miners work that is as cheap as possible to produce is one of the many changes I made to keep things running smoothly even with those miners sometimes going nuts.

That's mean dynasty have old, obsolete cgminer version and that's why we generated empty, useless block?

Maybe. Long poll is also feeding miners empty blocks, so that could also be the reason. But those are not allowed to rollntime, so we are talking a very small amount of work. The chance to produce a block from this is very low.

Why use empty blocks for long poll? Because you can produce this work already before the block change. This way all miners are informed of the block change very quickly, which results in less rejected work.

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mdude77
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December 05, 2012, 12:01:57 PM
 #2204

Maybe. Long poll is also feeding miners empty blocks, so that could also be the reason. But those are not allowed to rollntime, so we are talking a very small amount of work. The chance to produce a block from this is very low.

Why use empty blocks for long poll? Because you can produce this work already before the block change. This way all miners are informed of the block change very quickly, which results in less rejected work.

I was thinking, why aren't pool operators announcing LP is being retired and force ppl to upgrade?  Even GBT is better than LP.

M

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December 05, 2012, 01:39:02 PM
 #2205

I was thinking, why aren't pool operators announcing LP is being retired and force ppl to upgrade?  Even GBT is better than LP.

The protocol is getwork. Both GBT and getwork use long polling (LP) to detect block changes. With getwork the server has to generate work for the miners, while with GBT or Stratum the miners generate their own work. Long polling is much faster for getwork miners if you can generate the work beforehand, which is possible with empty blocks. With a few tricks like that, plus var diff and rollntime, getwork is still useable, even for ASICs. I'm not saying it's the best choice, though. Wink

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kano
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December 05, 2012, 08:35:24 PM
 #2206

I was thinking, why aren't pool operators announcing LP is being retired and force ppl to upgrade?  Even GBT is better than LP.

The protocol is getwork. Both GBT and getwork use long polling (LP) to detect block changes. With getwork the server has to generate work for the miners, while with GBT or Stratum the miners generate their own work. Long polling is much faster for getwork miners if you can generate the work beforehand, which is possible with empty blocks. With a few tricks like that, plus var diff and rollntime, getwork is still useable, even for ASICs. I'm not saying it's the best choice, though. Wink

Actually, unless every pool that has been using LP since the beginning has been unable to support LP without sending out empty blocks, there is no excuse.

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DrHaribo
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December 06, 2012, 08:11:10 AM
 #2207

Actually, unless every pool that has been using LP since the beginning has been unable to support LP without sending out empty blocks, there is no excuse.

Faster long poll means less rejected work and fewer stale/orphan blocks, that's why.

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AfricanHunter
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December 06, 2012, 08:32:45 AM
 #2208

The Approximate Mint speed in btc/day is still wrong for me. Do I need to download a newer version?

Also;

When do you anticipate being able to define other pools through the gui (as secondary or primary pools)?
When the different protocols (Stratum, GBT, etc) come online for prod, will you be able to choose in the gui as well as alter difficulty?
When do you anticipate these items being rolled out (if at all)?

Thanks

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DrHaribo
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December 06, 2012, 09:47:34 AM
 #2209

The Approximate Mint speed in btc/day is still wrong for me. Do I need to download a newer version?

The fix is only in a beta version so far. One user has reported a performance drop, so this hasn't been released as a stable version yet. There are some changes to reduce CPU usage for FPGA mining, so I want to be sure I didn't break something.

Perhaps you can help test it: https://bitcointalk.org/index.php?topic=31163.msg1378210#msg1378210

When do you anticipate being able to define other pools through the gui (as secondary or primary pools)?
When the different protocols (Stratum, GBT, etc) come online for prod, will you be able to choose in the gui as well as alter difficulty?
When do you anticipate these items being rolled out (if at all)?

Multi server and pool support will be coming. Most likely both GBT and Stratum too, which will be choosable in the GUI.

I may make it possible to alter difficulty, perhaps setting it on the website. Haven't decided on this yet.

I can't really say when things will be rolled out. As always, I will do my best to get the most important things out as quickly as possible.

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meowmeowbrowncow
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December 06, 2012, 12:28:45 PM
 #2210




pool dropped out for a couple of minutes.

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c4n10
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December 06, 2012, 07:37:00 PM
 #2211

Receiving unusual error when trying to connect to BitMinter:

Code:
JSON stratum auth failed: <unknown reason>

cgminer works fine at all the other pools I use it at though. Any ideas?
lenny_
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December 06, 2012, 09:45:48 PM
 #2212

Short question: is var diff enabled on default port, for GetWork miners?

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philipma1957
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December 07, 2012, 12:44:10 AM
 #2213

A quick  5  day luck break down  dec 2,3,4,5,6     61 blocks      we should do  about 11-12 a day .   so 61 in 5 days  is high normal .


0 stales  and 0 orphans   for 61 blocks we should get 1 stale and 1.5 orphans  so the last 5 days have been a little better then normal.

I would like a lucky 5 day streak maybe 80 blocks with 0 and 0.  but grinding it out just above normal is okay. I will do this in 5 more days.

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AfricanHunter
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December 07, 2012, 02:14:41 AM
 #2214

The Approximate Mint speed in btc/day is still wrong for me. Do I need to download a newer version?

The fix is only in a beta version so far. One user has reported a performance drop, so this hasn't been released as a stable version yet. There are some changes to reduce CPU usage for FPGA mining, so I want to be sure I didn't break something.

Perhaps you can help test it: https://bitcointalk.org/index.php?topic=31163.msg1378210#msg1378210

When do you anticipate being able to define other pools through the gui (as secondary or primary pools)?
When the different protocols (Stratum, GBT, etc) come online for prod, will you be able to choose in the gui as well as alter difficulty?
When do you anticipate these items being rolled out (if at all)?

Multi server and pool support will be coming. Most likely both GBT and Stratum too, which will be choosable in the GUI.

I may make it possible to alter difficulty, perhaps setting it on the website. Haven't decided on this yet.

I can't really say when things will be rolled out. As always, I will do my best to get the most important things out as quickly as possible.


Thanks and sure, will switch 1 bfl single to beta now.

Thinking about doing business with johnniewalkerhttps://bitcointalk.org/index.php?action=profile;u=72227?
First read this thread https://bitcointalk.org/index.php?topic=131841.0

Also, Join the National Rifle Association to protect 2nd Amendment Rights http://membership.nrahq.org/default.asp?campaignid=XR020022
AfricanHunter
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December 07, 2012, 02:31:11 AM
 #2215

The Approximate Mint speed in btc/day is still wrong for me. Do I need to download a newer version?

The fix is only in a beta version so far. One user has reported a performance drop, so this hasn't been released as a stable version yet. There are some changes to reduce CPU usage for FPGA mining, so I want to be sure I didn't break something.

Perhaps you can help test it: https://bitcointalk.org/index.php?topic=31163.msg1378210#msg1378210

When do you anticipate being able to define other pools through the gui (as secondary or primary pools)?
When the different protocols (Stratum, GBT, etc) come online for prod, will you be able to choose in the gui as well as alter difficulty?
When do you anticipate these items being rolled out (if at all)?

Multi server and pool support will be coming. Most likely both GBT and Stratum too, which will be choosable in the GUI.

I may make it possible to alter difficulty, perhaps setting it on the website. Haven't decided on this yet.

I can't really say when things will be rolled out. As always, I will do my best to get the most important things out as quickly as possible.


Thanks and sure, will switch 1 bfl single to beta now.

Hasnt been running long but looks like from 70-95MH/s slower. CPU is the same as before, roughly 14%

Let me know if you need to know what worker I am on.

eta: added a 7970 and it performed as normal

Edit #2: I switched back to the prod version and speeds look ok within the Client UI but the Stats webpage shows my ghps at 0. I currently have 3 fpga singles running in geographically dispersed locations (all usa)

Thinking about doing business with johnniewalkerhttps://bitcointalk.org/index.php?action=profile;u=72227?
First read this thread https://bitcointalk.org/index.php?topic=131841.0

Also, Join the National Rifle Association to protect 2nd Amendment Rights http://membership.nrahq.org/default.asp?campaignid=XR020022
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December 07, 2012, 02:59:25 AM
 #2216

The slightly higher rejects with stratum+cgminer on this pool should now be addressed in cgminer 2.9.7. If not, we need to examine why.

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AfricanHunter
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December 07, 2012, 05:32:58 AM
 #2217

And now we are down. mining offline

Thinking about doing business with johnniewalkerhttps://bitcointalk.org/index.php?action=profile;u=72227?
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LazyOtto
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December 07, 2012, 05:39:08 AM
 #2218

And now we are down. mining offline
Yep. Viva la backup pool.
juhakall
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December 07, 2012, 06:12:01 AM
 #2219

Even though cgminer 2.9.7 indeed has very minimal rejects on BitMinter, should the vardiff code still be adjusted to avoid constantly changing difficulty? Have slightly different threshold levels for increasing/decreasing the difficulty, or use a longer time period for averaging shares per minute. I'm not sure if I correctly understood the information on cgminer's thread, but it seemed to indicate that changing difficulty has the potential for some lost work because of latency.

I see that my hashrate estimate has a lot more swings when mining on stratum. With higher difficulty shares, the averaging period should obviously be longer to get a meaningful estimate.

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December 07, 2012, 07:05:07 AM
 #2220

And now we are down. mining offline
Yep. Viva la backup pool.

Doc,
Pool is still dead for me..It happened an hour ago.When pool was dead  I garbed latest cgminer 2.9.6 and something is wrong. From the other hand i see that some folks are mining...

Please help the Led Boy aka Bicknellski to make us a nice Christmas led tree and pay WASP membership fee here:
https://bitcointalk.org/index.php?topic=643999.msg7191563#msg7191563
And remember Bicknellski is not collecting money from community;D
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