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Overflow of cancelled tasks in nifi-app.log

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Overflow of cancelled tasks in nifi-app.log

Contributor

Hi

We are facing performance problem at Nifi UI. Sometime it takes around 6-14 sec. when moving a processor at the UI. Questions:

1) How to debug the UI which is slow?

2) Is overflow of cancelled tasks normal when setting to DEBUG?

SLOW

2018-10-15 11:16:14,645 INFO [NiFi Web Server-729217] o.a.n.w.s.NiFiAuthenticationFilter Attempting request for () PUT https://NIFI_URL_01:9091/nifi-api/processors/be6b3028-e778-1f93-ae64-9a6552036e77 (source ip: 1.1.1.1)

2018-10-15 11:16:14,681 INFO [NiFi Web Server-728820] o.a.n.w.s.NiFiAuthenticationFilter Attempting request for (<_USER_>) PUT https://NIFI_URL_01:9091/nifi-api/processors/be6b3028-e778-1f93-ae64-9a6552036e77 (source ip: 0.0.0.0)

2018-10-15 11:16:20,811 INFO [NiFi Web Server-729013] o.a.n.w.s.NiFiAuthenticationFilter Attempting request for (<_USER_>) PUT https://NIFI_URL_01:9091/nifi-api/processors/be6b3028-e778-1f93-ae64-9a6552036e77 (source ip: 0.0.0.0)

FAST

2018-10-15 11:17:11,931 INFO [NiFi Web Server-728355] o.a.n.w.s.NiFiAuthenticationFilter Attempting request for () PUT https://NIFI_URL_01:9091/nifi-api/processors/be6b3028-e778-1f93-ae64-9a6552036e77 (source ip: 1.1.1.1)

2018-10-15 11:17:11,966 INFO [NiFi Web Server-729217] o.a.n.w.s.NiFiAuthenticationFilter Attempting request for (<_USER_>) PUT https://NIFI_URL_01:9091/nifi-api/processors/be6b3028-e778-1f93-ae64-9a6552036e77 (source ip: 0.0.0.0)

2018-10-15 11:17:11,985 INFO [NiFi Web Server-729215] o.a.n.w.s.NiFiAuthenticationFilter Attempting request for (<_USER_>) PUT https://NIFI_URL_01:9091/nifi-api/processors/be6b3028-e778-1f93-ae64-9a6552036e77 (source ip: 0.0.0.0)

When change org.apache.nifi to log level="DEBUG", the nifi-app.log get overflow by.. Not sure if that is a issue..

2018-10-15 14:04:56,165 DEBUG [Timer-Driven Process Thread-1] org.apache.nifi.engine.FlowEngine A flow controller execution task 'java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@7501e256' has been cancelled. 2018-10-15 14:04:56,165 DEBUG [Timer-Driven Process Thread-43] org.apache.nifi.engine.FlowEngine A flow controller execution task 'java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@706658f2' has been cancelled. 2018-10-15 14:04:56,165 DEBUG [Timer-Driven Process Thread-33] org.apache.nifi.engine.FlowEngine A flow controller execution task 'java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@2272bf22' has been cancelled. 2018-10-15 14:04:56,165 DEBUG [Timer-Driven Process Thread-43] org.apache.nifi.engine.FlowEngine A flow controller execution task 'java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@21fdf62a' has been cancelled. 2018-10-15 14:04:56,165 DEBUG [Timer-Driven Process Thread-64] org.apache.nifi.engine.FlowEngine A flow controller execution task 'java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@28592572' has been cancelled. 2018-10-15 14:04:56,165 DEBUG [Timer-Driven Process Thread-11] org.apache.nifi.engine.FlowEngine A flow controller execution task 'java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@af48695' has been cancelled. 2018-10-15 14:04:56,165 DEBUG [Timer-Driven Process Thread-45] org.apache.nifi.engine.FlowEngine A flow controller execution task 'java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@fe17bc0' has been cancelled. 2018-10-15 14:04:56,165 DEBUG [Timer-Driven Process Thread-7] org.apache.nifi.engine.FlowEngine A flow controller execution task 'java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@18db7949' has been cancelled. 2018-10-15 14:04:56,165 DEBUG [Timer-Driven Process Thread-44] org.apache.nifi.engine.FlowEngine A flow controller execution task 'java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@f91f797' has been cancelled. 2018-10-15 14:04:56,165 DEBUG [Timer-Driven Process Thread-3] org.apache.nifi.engine.FlowEngine A flow controller execution task 'java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@5a9bbd7f' has been cancelled. 2018-10-15 14:04:56,165 DEBUG [Timer-Driven Process Thread-54] org.apache.nifi.engine.FlowEngine A flow controller execution task 'java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@5ed37c9a' has been cancelled. 2018-10-15 14:04:56,165 DEBUG [Timer-Driven Process Thread-44] org.apache.nifi.engine.FlowEngine A flow controller execution task 'java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@43972b17' has been cancelled. 2018-10-15 14:04:56,165 DEBUG [Timer-Driven Process Thread-51] org.apache.nifi.engine.FlowEngine A flow controller execution task 'java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@3300301' has been cancelled.

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