Sure @Sukisen1981 , i need a line chart like this one:
I uses the query "index=serverlist | dedup hostname | timechart span=30d count", in this case i need to find the total amount of sending servers and it works.
I need to do the same thing with the list of "non-sending" servers, so i have to a line that rapresent the number of missing server during a period, for example if i do a search from 9:00 to 10:00 i have 3 missing servers, from 12:00 to 13:00 5, and so on. I need a line that rapresent this trend.
I hope is clear now, sorry if i can't explain myself correctly and thanks for your time.
Regards.
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