I'm using openjdk-11.0.7.10-4 as I was on the previous version of NiFi. I'll look around for a free Java profiler to use to dig deeper. Thanks, Scott
On Sat, Jul 31, 2021 at 7:56 PM Joe Witt <joe.w...@gmail.com> wrote: > Scott > > Nope this sounds pretty dang unique > > What JVM? May need to attach a profiler. > > I have seen buried exceptions happening at massive rates causing horrid > performance among a few other scenarios but nothing specific to 1.14 > > thanks > > On Sat, Jul 31, 2021 at 4:01 PM scott <tcots8...@gmail.com> wrote: > >> Hi All, >> I upgraded to 1.14 last week and within a few days I started to see some >> pretty odd behavior, I'm hoping someone has either seen it before or could >> point me to a deeper level of troubleshooting. >> >> Here are the symptoms I observed. >> * Performance issues: >> Processor performance very poor. Even simple processors like router >> and updateattribute went from being able to process 100,000recs/min to >> 100recs/min or stop all together, but not consistently. >> Processors needing to be force killed, even simple ones like >> updateattribute. >> >> * Weirdness. One of my routers lost its mind and didn't recognize the >> routes configured anymore. It changed all the arrows to dotted lines except >> for the default. I ended up copying it and replacing it with the copy, no >> changes mind you, but it worked fine. >> >> * Errors: I have not found any obvious errors in the nifi logs that could >> explain this, but one error keeps repeating in the logs: SQLServerDriver is >> not found . I have dozens of processors that use SQL Server, all seem to be >> working fine. This is not tied to a particular processor's configuration. I >> don't think this is related. >> >> * Server resources fine. I use htop and sar to troubleshoot hardware >> issues usually, all looks normal. I added 1/3 more memory to the JVM, now >> at 24GB, just for good measure, but that had no effect. >> >> Is it possible there are some hidden performance issues going on within >> the JVM I need a special tool to see? >> >> Any help would be greatly appreciated. >> >> Thanks, >> Scott >> >> >> >>