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Author Topic: [1050 TH] BitMinter.com [1% PPLNS,Pays TxFees +MergedMining,Stratum,GBT,vardiff]  (Read 775647 times)
DrHaribo
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October 30, 2012, 07:09:53 AM
 #2021

Last night namecoind locked up again. This caused us to lose a few namecoin blocks and the payment processor got stuck trying to run namecoin payments so it also didn't do bitcoin payments for a while. Bitcoins went out again as soon as I got namecoind restarted. Looks like we had this issue for about 3 hours. Sorry for the delay.

The idea of ignoring txn's sorta seemed a big point in there to me ...

So when using Stratum how often do you request new work to make sure new transactions get included quickly? Or is it the server's responsibility to push out work with a new merkletree when it has new transactions?

just switched over the minirigs about 20 mins ago.. looks ok so far.

I moved over 77Gh/s to port 9000. Hope this helps test things out.

sweet!

been running nice for 7+ hours

Thanks, much appreciated, guys. Smiley

So far everything seems to be running smoothly. Difficulty seems to be selected appropriately and mining credited correctly, hashrate reported in completed shifts including both main and test port. Many will have a hashrate between two difficulties and it will jump up and down a bit, but that's not really a problem.

One thought to prevent a huge difficulty for a big mining operation on a single worker account: if the max difficulty the server will give out is the one that is appropriate for a 1.5 TH/s rig then adding multiple such rigs will not affect the difficulty. That should solve it for the 1.5+ TH/s miners at least.

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eleuthria
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October 30, 2012, 07:30:55 AM
 #2022

The idea of ignoring txn's sorta seemed a big point in there to me ...

So when using Stratum how often do you request new work to make sure new transactions get included quickly? Or is it the server's responsibility to push out work with a new merkletree when it has new transactions?

Stratum work is entirely push based.  There is no requesting of work.  BTC Guild pushes new work every 30 seconds.  I believe Slush is using the same interval.  It's slightly more frequent because new blocks bring a new work push.  I'm not sure if slush's implementation resets his 30 second timer after a new block.  In the case of BTC Guild, the timer does not reset after a new block.

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October 30, 2012, 03:22:43 PM
 #2023

Stratum work is entirely push based.  There is no requesting of work.  BTC Guild pushes new work every 30 seconds.  I believe Slush is using the same interval.  It's slightly more frequent because new blocks bring a new work push.  I'm not sure if slush's implementation resets his 30 second timer after a new block.  In the case of BTC Guild, the timer does not reset after a new block.

Thanks, useful info. I'll probably just copy that behavior.

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October 30, 2012, 07:08:46 PM
 #2024

I havent read the last 5 pages, so sorry if this is a repost....I came upon this video.....around the 2:50 mark....http://www.youtube.com/watch?v=K7hVMHVf4p0
Ive also restart some miners....24 blocks, nice....house is getting cold...
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October 30, 2012, 11:00:03 PM
 #2025

Can I get an explanation of block 205766 ?

Why does it only contain 32 transactions and is only 9.25kb?

The memory pool of bitcoind has been in the 4000 to 5000 range constantly.
In the last 16 hours, the lowest it has been is 4376 outstanding transactions.

If you look at the block that was orphaned by your block, it had 619 transactions in it and was 304.27kb

Edit: N.B. block 205765 before it was almost 30 minutes before it.

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October 31, 2012, 12:21:02 AM
 #2026

Can I get an explanation of block 205766 ?

Why does it only contain 32 transactions and is only 9.25kb?

The memory pool of bitcoind has been in the 4000 to 5000 range constantly.
In the last 16 hours, the lowest it has been is 4376 outstanding transactions.

If you look at the block that was orphaned by your block, it had 619 transactions in it and was 304.27kb

Edit: N.B. block 205765 before it was almost 30 minutes before it.
Now I don't know, but if this is the result of the GBT implementation, it's a worrying sign... considering GBT was meant to improve bitcoin, the potential for pools using it in a way that makes transaction propagation even less likely than before is precisely what I've been complaining about with pooled mining GBT implementations.

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eleuthria
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October 31, 2012, 02:45:34 AM
 #2027

Can I get an explanation of block 205766 ?

Why does it only contain 32 transactions and is only 9.25kb?

The memory pool of bitcoind has been in the 4000 to 5000 range constantly.
In the last 16 hours, the lowest it has been is 4376 outstanding transactions.

If you look at the block that was orphaned by your block, it had 619 transactions in it and was 304.27kb

Edit: N.B. block 205765 before it was almost 30 minutes before it.

Low transaction blocks could be the result of a bitcoind crash/restart.

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kano
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October 31, 2012, 05:33:40 AM
 #2028

Can I get an explanation of block 205766 ?

Why does it only contain 32 transactions and is only 9.25kb?

The memory pool of bitcoind has been in the 4000 to 5000 range constantly.
In the last 16 hours, the lowest it has been is 4376 outstanding transactions.

If you look at the block that was orphaned by your block, it had 619 transactions in it and was 304.27kb

Edit: N.B. block 205765 before it was almost 30 minutes before it.

Low transaction blocks could be the result of a bitcoind crash/restart.
10 out of 15 blocks ... were like this one.

Since midnight rollover:
Code:
Block   Pool     txn  kb
205802 BitMinter 634 228.62
205800 BitMinter  15   5.15
205796 BitMinter 126  61.31152344
205794 BitMinter  89  25.74804688
205771 BitMinter 311 204.54296875
1 very small in there again.

Pool: https://kano.is BTC: 1KanoiBupPiZfkwqB7rfLXAzPnoTshAVmb
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DrHaribo
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October 31, 2012, 06:08:58 AM
 #2029

Not sure why you come here demanding an explanation from me when BitMinter has the biggest block currently on the frontpage of blockchain.info. Height 205802 with 634 transactions. Maybe you are trolling again?

BitMinter is still including all transactions suggested for the block by bitcoind. We don't have any limit on the number of free transactions as I understand some other pools have. Although the pool was losing all donations for a while due to the frequency of orphans, I never put in any limits despite the possibility that it would have sped up block propagation and reduced the orphan rate.

50BTC just had a block with 34 transactions. Why 34 and not 4000-5000? For an explanation of that you can read the bitcoin sourcode.

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DrHaribo
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October 31, 2012, 06:14:04 AM
 #2030

Namecoind locked up against last night. Sorry for slow payments again. Sad

I will set up an automated system to kill and restart it when it stops working, later today.

Some pools are considering removing namecoins. It starts to look tempting the way namecoind crashes every day and the namecoin developers not really doing anything anymore.

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wizkid057
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October 31, 2012, 06:28:40 AM
 #2031

Not sure why you come here demanding an explanation from me when BitMinter has the biggest block currently on the frontpage of blockchain.info. Height 205802 with 634 transactions. Maybe you are trolling again?

Pretty sure its trolling/FUD trying to make GBT look bad for some reason... I thought it was kinda funny myself.

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October 31, 2012, 07:17:44 AM
 #2032

We don't have any limit on the number of free transactions as I understand some other pools have. Although the pool was losing all donations for a while due to the frequency of orphans, I never put in any limits despite the possibility that it would have sped up block propagation and reduced the orphan rate.
Glad to hear that, thanks. I wish all pools would do the same.

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kano
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October 31, 2012, 08:02:37 AM
 #2033

Not sure why you come here demanding an explanation from me when BitMinter has the biggest block currently on the frontpage of blockchain.info. Height 205802 with 634 transactions. Maybe you are trolling again?

Pretty sure its trolling/FUD trying to make GBT look bad for some reason... I thought it was kinda funny myself.
So ... DrHaribo's answer is: he's not in control of the block sizes, it's bitcoind's GBT that is deciding it for him, and it's regularly making small blocks when the bitcoin network constantly has a very large number of outstanding transactions (>4000)
Not a couple - 2/3rds of BitMinter's blocks:
Code:
Block     size txns
205771 209,454 311
205767 188,756 499
205766   9,468  32
205729  30,740  55
205724  37,399  58
205706  11,169  27
205699   9,720  28
205689   8,609  28
205683 102,113 245
205671  27,961  20
205670  59,118  69
205668  46,083 114
205667   4,791  15
205656 105,743 194
205654  71,232 188
205643  10,739  23
205631   4,551  13
205627  16,381  38

6 blocks (1/3) in there you could consider large (>100 txn),
6 blocks (1/3) are very small (~10k or less and few txns)

Is this basically saying that GBT doesn't adhere to the fee structure in bitcoind?

Is GBT's aim to have every bitcoind on the BTC network constantly running large (>4000) txn memorypools?

And pools OP are gonna say that it's got nothing to do with them coz they don't control their pools?

Hmm ........

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DrHaribo
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October 31, 2012, 10:14:15 AM
 #2034

Bitcoin now has many outstanding transactions.

You can blame it on BitMinter, or SatoshiDice or GBT or whatever.. it won't make any sense though. People are now starting to actually send a few transactions and it's not going as smoothly as we would like. That's a problem we have to solve (together).

I don't think this is any one person's fault. I am certainly not going to accept the full responsibility for transactions processing more slowly now than last year.

I would also not recommend pools to stop using bitcoind to filter out transactions. If you include one bitcoind doesn't like then your block will be rejected and you'll be losing a lot of coins.

And pools OP are gonna say that it's got nothing to do with them coz they don't control their pools?

Noone said that, that I know of anyway.

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kano
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October 31, 2012, 12:05:05 PM
 #2035

Well, if it wasn't obvious (it wasn't for me until my last post), my post should be in the GBT thread - it's not really about pools (though it has taken my carry-on about this to realise where the problem is - but also annoying that the problem has been ignored by GBT proponents), it's about GBT itself, however, people choosing to use it and not even realising it may not be the holy grail of decentralisation that it's proponents are saying in their attempt to force everyone to use it. Yes force is correct - they even got rid of the previous option getmemorypool and made it necessary to call getblocktemplate for anything but getwork, through there are clearly issues with getblocktemplate ...

It was a 'there one day gone the next' issue with getmemorypool - that I brought up in the 0.7.0 release thread back when it came out - but that got swept under the carpet also.

Anyway I guess I should go re-post a lot of this in the GBT thread and stir up some trouble see if I can get a reasonable response there ...

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October 31, 2012, 06:29:53 PM
 #2036

Good news, a new version of BtcMon is now available in the app store, now with BitMinter support.

BtcMon is an iphone/ipod/ipad app that lets you monitor mining pool workers and exchanges. Click the link above for more info.

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Fefox
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October 31, 2012, 06:57:49 PM
 #2037

Good news, a new version of BtcMon is now available in the app store, now with BitMinter support.

BtcMon is an iphone/ipod/ipad app that lets you monitor mining pool workers and exchanges. Click the link above for more info.


Been waiting for that update!   working good here  Grin
Turbor
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October 31, 2012, 07:00:24 PM
 #2038

Yeah it's a lovely app Cheesy

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October 31, 2012, 07:02:38 PM
 #2039

Now if I only could use it in a phone not made by the devil itself.

Bitcoin trinkets now on my online store: btc trinkets.com <- Bitcoin Tiepins, cufflinks, lapel pins, keychains, card holders and challenge coins.
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October 31, 2012, 07:50:33 PM
 #2040

Now if I only could use it in a phone not made by the devil itself.
Agreed...Android FTW!
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