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
>>
>>
>>
>>

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