Hello,    Do you have any test to be sure the cluster is working fine after all those steps ?  I move one node ever 3.  I put some files on the hdfs and i don't see file system in the dfs.journalnode.edits.dir even whether for the old or new Journal Node.    Best Regards Abdou      ... View more

You may also tried : cd /usr/lib/python2.6/site-packages/resource_monitoring/psutil python setup.py build ... View more

Hello @Matt Clarke, Thanks for your reply. In the meanstime I was debuging NiFi ..... And you are right, the processor will be executing as soon as the number/size of file is below the under the threshold ( ie the queue is not full). The Back Pressure is applied in NIFI 1.5 here (this piece of code made me understand the stuff ) private boolean isBackPressureEngaged() { return procNode.getIncomingConnections().stream() .filter(con -> con.getSource() == procNode) .map(con -> con.getFlowFileQueue()) .anyMatch(queue -> queue.isFull()); } Thanks for your quick response. Best Regards Abdou ... View more

Hello Matt, The source processor will be stopped when the size / number is reached. But Do you know when does the source processor is restarted ?? Best regards Abdou ... View more

Hello@Timothy Spann, Did you find any work around for this issue ? Or is there any Ambari patch ? Best Regards Abdou ... View more

Hello @Matt Clarke, It is ok. "This Whitelist feature is already part of the HDF 3.1 release from Hortonworks and will be part of the Apache NiFi 1.6 release at a later time. " I thought that NIFI 1.5 (which is included in HDF 3.1) was not working and that HDF 3.1 provided throught ambari some Work around 🙂 Thanks for your help ! Best Regards Abdou ... View more

Hello @Matt Clarke, Could you please share the link to the Ambari Whitelist Configuration ? this only link I found in Ambari wiki is about the Ambari Metrics White list : https://cwiki.apache.org/confluence/display/AMBARI/Ambari+Metrics+-+Whitelisting Best Regards Abdou ... View more

Hello Vincent, Could you please share the link to the Ambari Whitelist Configuration. this only link I found in Ambari wiki is about the Ambari Metrics White list : https://cwiki.apache.org/confluence/display/AMBARI/Ambari+Metrics+-+Whitelisting Best Regards Abdou ... View more

Hello Guys, I used a RHEL 7 and I have Python 2.7 and this is not building the psutils. Is there any workaround ? Best regards ... View more

Hello Ashnee, could you please provide a little more information ? Best Regards Abdou ... View more