Re: [850 TH] Slush's Pool (mining.bitcoin.cz); TX FEES + VarDiff

I have noticed that since around the time the total average hash rate changed to the last 60 minutes, the shares per worker display has become erratic. It used to show any change at each page refresh, and the number of shares always increased steadily until a round ended; now the number updates only after an interval (I have not yet determined how long) and the number of shares sometimes falls: for instance, just now when I refreshed the page one of my workers fell from 1933 to 1931 shares. Some minutes earlier it had dropped from 2053 (and now I see it has fallen again to 1905). The round and block number (299880) had not changed, the Mhash/s for each worker is within the expected range, and the time since the last share is usually zero. The estimated reward also fluctuates wildly: while I have been writing this it has varied between .00002876 and .00007421.

Could this be anything to do with the high variance in payments per round that I am experiencing? Has anyone else seen similar behaviour? Huh

Not sure, but over the last couple of days, I have noticed the same... I only have just under 400G/hash but it varies regularly between 0.0009 to 0.0062 expected block payout and the block payouts do match these figures that exist when the block is found, but the G/Hash rate is staying constant.

I'm wondering if the anti-pool hopping mechanism is being a bit too vicious. I know that if I turn off one of my antminers.. the expected payout drops in 2 minutes or less as if it had not been running at all even though the desktop is still showing a lot of residual shares.

When it first went to the 60 mins, I wasn't having an issue with the payout, although it dropped fast when turning a machine off, but these last 2 days its been all over the place and I am seeing pretty constant hash rates and the counters are all saying 0 minutes, so it's not stuffing up on network transmission.

Regards

M

I just started mining 2 weeks ago and wondered about that aswell. My shares will not go pass a certain number and like you, mine go up and down. I just thought this was the norm. Hope we can get an answer as to why it does that.

The amount of your share is affected by the size of the pool. It goes down when more people join the pool and goes up if some leave.

Yes, am fully aware of that and have no issue with that.. its the variance on a fairly consistent hash rate (within 2% ) that changes the expected payout from 0.0009 to 0.006 in less than 3 minutes when the pool size remains the same. It just seems very twitchy since the last updates. Prior to the 60 minute updates, it varied, but not by much.

Having said that, looking back over my previous 20 or so blocks, its kinda evened out, but theres still been some blocks where the reward has been 0.002 and some that have been around 0.005, still seems a little twitchy to me, that's all I am saying. I am guessing that the more machines you have, the less it will vary, but having just a few bits and pieces, its become very noticable.

Regards

M