Hi Guys,
I have some confusions around the Interface Throughput calculations.
The following search seems to be finding the average of the DIFFERENCE between the last TX value and the current TX value. What are the TX values representing? The current upload bytes for that poll period, or the accumulated upload bytes for that interface?
index="os" sourcetype="interfaces" host=* | multikv fields name, inetAddr, RXbytes, TXbytes | streamstats current=f last(TXbytes) as lastTX, last(RXbytes) as lastRX by Name | eval time=_time | strcat Name "-" inetAddr "@" host Interface_Host | eval RX_Thruput_KB = (lastRX-RXbytes)/1024 | eval TX_Thruput_KB = (lastTX-TXbytes)/1024 | timechart eval(sum(TX_Thruput_KB)/dc(time)) by Interface_Host
What are we trying to calculate here? Also, is this an accurate representation of bandwidth usage for that interface on a system?
Cheers,
John
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