sorry - i see now :-) Thanks for the analysis. Will dig in.
Joe On Fri, Nov 13, 2015 at 12:28 AM, Joe Witt <joe.w...@gmail.com> wrote: > Adam, > > Are you on a recent master build? > > Thanks > Joe > > On Fri, Nov 13, 2015 at 12:27 AM, Adam Lamar <adamond...@gmail.com> wrote: >> Hi everybody! >> >> I'm following up from my previous thread about high CPU usage in GetSQS. I >> ran into high CPU usage while developing a patch for that processor, and >> while investigating with "top", I noticed one NiFi thread in particular >> showed high CPU usage, even after turning off all processors and restarting >> NiFi. >> >> A jstack showed this thread was busy at FileSystemRepository.java line 1287 >> [1]. Since that is a continue statement, it suggests that the thread was >> churning in the surrounding for loop. >> >> I didn't debug any further, but I did add a sleep statement just before the >> continue, and CPU usage dropped wildly, settling around 2-4%. >> >> I hope this is useful information, and I'm happy to debug further if needed. >> >> Cheers, >> Adam >> >> [1] >> https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/repository/FileSystemRepository.java#L1287
