Hi, Started getting OOM once I've added PutHDFS to a flow.
I'm running on a CentOS VM with 2GB of memory allocated. I've munged the nifi startup script to do -Xms1024m -Xmx1024m". Any recommendations on this? Thanks, - Dmitry 2016-03-29 11:25:54,200 ERROR [Flow Service Tasks Thread-2] o.a.nifi.controller.StandardFlowService Unable to save flow controller configuration due to: java.lang.OutOfMemoryError: PermGen space java.lang.OutOfMemoryError: PermGen space at java.lang.ClassLoader.findBootstrapClass(Native Method) ~[na:1.7.0_67] at java.lang.ClassLoader.findBootstrapClassOrNull(ClassLoader.java:1070) ~[na:1.7.0_67] at java.lang.ClassLoader.loadClass(ClassLoader.java:414) ~[na:1.7.0_67] at java.lang.ClassLoader.loadClass(ClassLoader.java:412) ~[na:1.7.0_67] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) ~[na:1.7.0_67] at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ~[na:1.7.0_67] at org.apache.nifi.nar.NarThreadContextClassLoader.loadClass(NarThreadContextClassLoader.java:96) ~[nifi-nar-utils-0.5.1.jar:0.5.1] at javax.xml.transform.FactoryFinder.getProviderClass(FactoryFinder.java:114) ~[na:1.7.0_67] at javax.xml.transform.FactoryFinder.newInstance(FactoryFinder.java:182) ~[na:1.7.0_67] at javax.xml.transform.FactoryFinder.find(FactoryFinder.java:296) ~[na:1.7.0_67] at javax.xml.transform.TransformerFactory.newInstance(TransformerFactory.java:101) ~[na:1.7.0_67] at org.apache.nifi.controller.StandardFlowSerializer.serialize(StandardFlowSerializer.java:102) ~[na:na] at org.apache.nifi.controller.FlowController.serialize(FlowController.java:1262) ~[na:na] at org.apache.nifi.persistence.StandardXMLFlowConfigurationDAO.save(StandardXMLFlowConfigurationDAO.java:128) ~[na:na] at org.apache.nifi.controller.StandardFlowService$SaveReportingTask.run(StandardFlowService.java:842) ~[na:na] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_67] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304) [na:1.7.0_67] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) [na:1.7.0_67] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.7.0_67] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_67] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_67] at java.lang.Thread.run(Thread.java:745) [na:1.7.0_67]
