To be more specific, the maximum thruput should be measured in max events per sec, max kbps, max load etc.
Here is the current readout from metrics.log:
02-03-2016 15:11:51.891 -0500 INFO Metrics - group=thruput, name=index_thruput, instantaneous_kbps=762.769461, instantaneous_eps=1963.774257, average_kbps=862. 173209, total_k_processed=4834560107.000000, kb=23645.852539, ev=60877.000000, load_average=2.830000
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