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The NiFi supports Rest API that can be used to probe NiFi, to obtain the value of any specific counters. The following is a sample command to obtain the counters from NiFi server::
# curl 'http://nifi-host:port/nifi-api/counters'To probe the counters, create an ExecuteScript processor with Groovy script and necessary curl commands.
REFERENCE
[1] NiFi Rest APIAbout:
This article created by Hortonworks Support (Article: 000005877) on 2017-05-25 03:12
OS: n/a
Type: Developing_Code, Cluster_Administration
Version: n/a
Support ID:
000005877
