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No payout for Jan 10-11 2016, and only one payout on 12th. #294

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9cat opened this issue Jan 14, 2016 · 4 comments

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commented Jan 14, 2016

There is no payout for Jan 10-11 2016, and only one payout on 12th.

I checked the first 5 LTC miner on p2pool, and they are the same issue.

here is an example :
http://ltc.blockr.io/address/info/LeD2fnnDJYZuyt8zgDsZ2oBGmuVcxGKCLd
http://ltc.blockr.io/address/info/LYJgT8qWXc9Ny9R4znTWX8Jb9KB9tNvjzn

Any wrong with P2Pool itself?
or could reference any issue about it.

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commented Jan 14, 2016

I "reported" to ForrestV analysis I did of FTC p2pool. We were able to show, Global pool rates and shares 'appeared' to be as programmed. I can run that on Litecoin p2pool, it might give indications of problems (we suspected a separate pool attaching with accumulated "low difficulty shares").

Otherwise, shares and blocks are pure chance and sometimes they should be scarce even if p2pool is significant to the 'Total' LTC mining pool.

The script records Global Pool Rate against Share Difficulty. I've pointed it at p2pool, http://ltcpool.cryptal.net:9327/static/ I'll do a quick run at 2.5 min intervals ...

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commented Jan 14, 2016

Currently LTC Total hash is 1500 GHash/sec whilst the p2pool global hash rate is about 12 GHash/sec. so (1500/12)*(2.5/60) = 5.2 Hours on average between p2pool blocks, "expected".

So far the hash v. p2pool share difficulty looks OK, see attached. The share difficulty changes with hash, but takes into account 'stratum', or building up a minimum number and difficulty of shares.

The chart shows 24 hours of LTC p2pool difficulty against global p2pool hash rate (1 E10 = 10 GHash/s). The difficulty calculation looks to be reacting sensibly. The only noticeable artefact is the p2pool difficulty does show a 10% increase which may indicate a maximum hash variation of similar magnitude during the 24 hour period.

Note : that the "stratum", or time the miners has been attached, effects the Global Hash rate. Previous monitoring (FTC) showed a 20% hash rate drop on the p2pool site, but Hash rate still shows up in the Global p2pool figure, until the shares collected are used up, then it drops down ....

difficulty v hash ltc p2pool14-15 1 2016b

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commented Jan 18, 2016

Just an update on the Litecoin p2pool share difficulty against Global Hash Rate, monitoring.

Updated chart shows LTC Global hash rate reduced by ~50% between
2016/01/18:06:40:01:533 12.1 GHash/s 1.1296216495733862 share diff
2016/01/18:10:04:02:242 6.08 GHash/s 0.3615285317092546 share diff

Unusually, no response from the pool at these times ( 1 sample every 2.5 min).
2016/01/18:00:58:06:834
2016/01/18:01:00:01:874
2016/01/18:01:02:01:918
2016/01/18:01:20:01:404
2016/01/18:01:22:01:448
difficulty v hash ltc p2pool14-19 1 2016

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commented Jan 19, 2016

http://ltcpool.cryptal.net:9327/static/
Down since :
2016/01/19:04:50:01:244

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