Hello Koji, I don't see any OOM errors in the logs, I'll keep an eye on the avail. thread count. Thank you.
Regards, Dan On Mon, Jan 29, 2018 at 10:49 PM Koji Kawamura <ijokaruma...@gmail.com> wrote: > Hi Dan, > > If all available Timer Driven Thread are being used (or hang > unexpectedly for some reason), then no processor can be scheduled. > The number at the left top the NiFi UI under the NiFi logo shows the > number of threads currently working. > If you see something more than 0, then I'd recommend to take some > thread dumps to figure out what running thread is doing. > > Other than that, I've encountered unexpected behavior with a NiFi > cluster if a node encountered OutOfMemory error. > The cluster started to behave incorrectly as it can not replicate REST > requests among nodes. I'd search any ERR logs in nifi-app.log. > > Thanks, > Koji > > On Tue, Jan 30, 2018 at 1:10 PM, dan young <danoyo...@gmail.com> wrote: > > Hello, > > > > We're running a secure 3 node 1.4 cluster. Has anyone seen any behaviour > > where the cluster just stops scheduling the running of flowfiles/tasks? > > i.e. cron/timer, just don't run when they're suppose to. I've tried to > stop > > and restart a processor that is say set to run ever 900sec, but nothing > > happens. Then only thing I can do is to cycle through restarting each > node > > in the cluster and then we're good for a few days....this is something > that > > just started happening and has occurred twice in the last week or so..... > > Anything I should keep an eye out for or look for in the logs? > > > > Regards, > > > > Dan >