Github user Ramizjon commented on the issue:
https://github.com/apache/nifi/pull/655
@JPercivall Yes, i've already did it in the way you recommend, by calling
report() method every onTrigger() call.
DataDog agent is very commonly used approach of sending metrics to DataDog.
Firstly, it goes about aggregation. It is used to aggregate many data points
from different sources (not only from NiFi) and send them. So if user is using
DataDog for a lot of purposes it's obvious that it is more efficient to use
such unified module as agent. Secondly, it works much faster than direct
approach, because of accepting custom application metrics points over UDP. The
application wonât stop its actual work to wait for a response from the
metrics server, which is very important if the metrics server is down or
inaccessible. Thirdly, DataDog provides single-line install commands for every
OS, so it is absolutely painless. However i suggest to add direct approach as
additional feature, for users that don't want to install an Agent.
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