Thanks for your quick reply. But I have already tried this and it is not giving the result I'm expecting.
Actually, when I'm analyzing a short period and using a short bucket (5 min), so yes it is correct, but when I'm analyzing for a day for example 5 min as a bucket is very short for kibana
and the result is something like that (assuming bucket is 10 min)
actually I need something like
select MAX (sum (CurrentActiveSessionsTotal) group by date
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