Hi,
I would like to cache values and to use only the latest "valid" values to build
a sum.
In more detail, I receive values from devices periodically. I would like to add
up all the valid values each minute. But not every device sends a new value
every minute. And as long as there is no new
Does anyone have an idea?
Thank you in advance.
Regards,
Daniela
Gesendet: Montag, 28. März 2016 um 21:06 Uhr
Von: "Maria Musterfrau" <daniela_4...@gmx.at>
An: user@storm.apache.org
Betreff: Combining group by and time window
Hi,
I have a stream with time
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