Adam, Are you on a recent master build?
Thanks Joe On Fri, Nov 13, 2015 at 12:27 AM, Adam Lamar <[email protected]> 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
