Update performance metrics page in the book (#5581)

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Justin Starry 2019-08-21 09:59:23 -04:00 committed by GitHub
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@ -11,10 +11,12 @@ it on the dashboard.
## TPS ## TPS
The leader node's banking stage maintains a count of transactions that it recorded. Each node's bank runtime maintains a count of transactions that it has processed.
The dashboard displays the count averaged over 2 second period in the TPS time series The dashboard first calculates the median count of transactions across all metrics
graph. The dashboard also shows per second mean, maximum and total TPS as a running enabled nodes in the cluster. The median cluster transaction count is then averaged
counter. over a 2 second period and displayed in the TPS time series graph. The dashboard also
shows the Mean TPS, Max TPS and Total Transaction Count stats which are all calculated from
the median transaction count.
## Confirmation Time ## Confirmation Time