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https://issues.apache.org/jira/browse/NIFI-2268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15998563#comment-15998563
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Randy Gelhausen commented on NIFI-2268:
---------------------------------------
This is reproducible in current master. I also noticed that while
HandleHTTPRequest is running with default configuration, NiFi is not able to
shutdown cleanly:
n0:artifacts randy$ ./nifi-1.2.0-SNAPSHOT/bin/nifi.sh stop
Java home: /Library/Java/JavaVirtualMachines/jdk1.8.0_65.jdk/Contents/Home/
NiFi home: /Users/randy/artifacts/nifi-1.2.0-SNAPSHOT
Bootstrap Config File:
/Users/randy/artifacts/nifi-1.2.0-SNAPSHOT/conf/bootstrap.conf
2017-05-05 07:23:28,187 INFO [main] org.apache.nifi.bootstrap.Command Apache
NiFi has accepted the Shutdown Command and is shutting down now
2017-05-05 07:23:28,200 INFO [main] org.apache.nifi.bootstrap.Command Waiting
for Apache NiFi to finish shutting down...
2017-05-05 07:23:30,209 INFO [main] org.apache.nifi.bootstrap.Command Waiting
for Apache NiFi to finish shutting down...
2017-05-05 07:23:32,217 INFO [main] org.apache.nifi.bootstrap.Command Waiting
for Apache NiFi to finish shutting down...
2017-05-05 07:23:34,231 INFO [main] org.apache.nifi.bootstrap.Command Waiting
for Apache NiFi to finish shutting down...
2017-05-05 07:23:36,242 INFO [main] org.apache.nifi.bootstrap.Command Waiting
for Apache NiFi to finish shutting down...
2017-05-05 07:23:38,251 INFO [main] org.apache.nifi.bootstrap.Command Waiting
for Apache NiFi to finish shutting down...
2017-05-05 07:23:40,265 INFO [main] org.apache.nifi.bootstrap.Command Waiting
for Apache NiFi to finish shutting down...
2017-05-05 07:23:42,280 INFO [main] org.apache.nifi.bootstrap.Command Waiting
for Apache NiFi to finish shutting down...
2017-05-05 07:23:44,292 INFO [main] org.apache.nifi.bootstrap.Command Waiting
for Apache NiFi to finish shutting down...
2017-05-05 07:23:46,302 INFO [main] org.apache.nifi.bootstrap.Command Waiting
for Apache NiFi to finish shutting down...
2017-05-05 07:23:48,311 INFO [main] org.apache.nifi.bootstrap.Command Waiting
for Apache NiFi to finish shutting down...
2017-05-05 07:23:48,318 WARN [main] org.apache.nifi.bootstrap.Command NiFi has
not finished shutting down after 20 seconds. Killing process.
2017-05-05 07:23:48,326 INFO [main] org.apache.nifi.bootstrap.Command NiFi has
finished shutting down.
> HandleHttpRequest can use too many tasks and CPU
> ------------------------------------------------
>
> Key: NIFI-2268
> URL: https://issues.apache.org/jira/browse/NIFI-2268
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 0.7.0
> Reporter: Michael Moser
> Priority: Minor
>
> With the default settings of HandleHttpRequest, user reports 100% CPU usage
> and millions of scheduled tasks. When this processor doesn't have work to
> do, its onTrigger() should call ProcessContext.yield(). This is how the
> ListenHTTP processor works, so it's an established pattern.
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