Hi, Can you please try the fix discussed here:
https://issues.apache.org/jira/browse/NIFI-3313 Kind regards On Wed, Apr 5, 2017 at 7:36 PM, 尹文才 <[email protected]> wrote: > Hi guys, I have been using apache nifi since version 0.7 and as I know > from my previous experiences that nifi should be up and running in less > than 1 minute(standalone mode). Recently my company has switched from > running in Vmware ESXI to openstack and thus I reinstalled nifi 1.1.2 in > openstack virtual machines(2 nodes cluster). To my surprise, nifi started > up very slow and it almost took 6-7 minutes which is much slower than > before. > > I actually was not very familiar with openstack and it was setup and > configured by someone else, but I know that there're 2 network interfaces > for the virtual machine, one is an internal IP(10.0.0.*, for communication > with machines inside openstack) and the other one is an external > IP(192.168.227.*, for communication with office network, I use this IP to > access the nifi web UI) > > I then decided to check the logs(nifi-app.log) and I found that it took > the most time between the following 2 log lines: > > 2017-04-05 16:59:09,162 INFO [main] o.a.nifi.properties.NiFiPropertiesLoader > Loaded 121 properties from /usr/local/nifi/./conf/nifi.properties > 2017-04-05 17:03:48,810 INFO [main] o.a.n.admin.AuditDataSourceFactoryBean > Database not built for repository: > > but the logs didn't give me any useful clues why it would be so slow. So > i dived into nifi's source code and tried to debug to find out > the reason, it appeared to me that the application spent the most time at > start method of class JettyServer when it tries to start the > jetty server: > > // start the server > server.start(); > > I checked the time it took to start the NiFi server in the log: > > 2017-04-05 17:08:55,149 INFO [main] org.apache.nifi.NiFi Controller > initialization took 590449683493 nanoseconds. > > > the time '*590449683493 nanoseconds*' equals approximately to 10 minutes. > > I'm also not very familiar with Jetty, not sure what's going on here. Did > anyone come across this slow > > startup issue or does anyone have any idea of this problem? Thanks. > > btw, I've attached the logs. > > >
