They should give more or less the same numbers, they did at least. (some differences but not that much)
name. hps hps2
hvdbWorld6_1 537.58 2475.94
hvdbWorld6_2 537.42 3533.94
hvdbWorld6_3 537.06 1247.75
hvdbWorld6_4 537.16 6084.77
hvdbWorld6_5 537.26 3770.02
hvdbWorld6_6 537.4 5763.09
hvdbWorld6_7 537.65 7096.88
hvdbWorld6_8 537.62 4592.51
And other identical server:
hvdbWorld7_1 164.84 3724.04
Missing
hvdbWorld7_3 658.04 9770.68
hvdbWorld7_4 657.72 15507.6
hvdbWorld7_6 658.34 3643.06
hvdbWorld7_5 658.35 12560.54
hvdbWorld7_7 657.41 7274.45
hvdbWorld7_8 658.34 7751.4
I will look at any differences between the setup of the servers.
Edit:
After I got the numbers and refreshed the page most of the miners disappeared.
They are not in missing miner section.
And after a new refresh some are back.
I will look on the nodes if I see something,.
Ok now I have some more insight into this setup - you have 16 small machines mining against the pool with 600 HPS each in the core wallet.
In this case I would not look at HPS2 in order to discover the wild fluctuations. HPS2 is just an extrapolation of how many shares you found in 15 minutes.
I would look on the home page at how many shares you have solved for each row, and you will see the issue.
The issue is in 15 minutes, those small machines can solve between 2-10 shares each. Then take the average of the shares over the farm.
That is basically why you end up with wildly differring HPS2 readings.
The pool rewards are based on shares solved in a 15 minute period. The HPS2 is synthesized from that figure.