Graceful shutdown

You can configure the graceful shutdown as described in Graceful shutdown.

Nodes

As a default, NiFi nodes have 5 minutes to shut down gracefully.

The NiFi node process will receive a SIGTERM signal when Kubernetes wants to terminate the Pod. It will log the received signal as shown in the log below and initiate a graceful shutdown. After the graceful shutdown timeout runs out, and the process still didn’t exit, Kubernetes will issue a SIGKILL signal.

nifi NiFi PID [43] shutdown started
nifi NiFi PID [43] shutdown in progress...
[...]
nifi 2023-11-08 10:52:14,459 INFO [pool-1-thread-1] org.apache.nifi.NiFi Application Server shutdown completed
nifi 2023-11-08 10:52:15,139 INFO [Thread-0] org.apache.nifi.NiFi Application Server shutdown started
nifi 2023-11-08 10:52:15,139 INFO [Thread-0] org.apache.nifi.nar.NarAutoLoader NAR Auto-Loader stopped
nifi 2023-11-08 10:52:15,139 INFO [Thread-0] o.a.n.f.r.CompositeExternalResourceProviderService External Resource Provider Service is stopped
nifi 2023-11-08 10:52:15,139 INFO [Thread-0] org.apache.nifi.NiFi Application Server shutdown completed

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