I had Faced similar issue. We tried to change the Node Manager local directory to different mount point and restarted the services it went up and running. After this revert the changes to old directory. ... View more

@L V I was too having the same issue but I found below link ,which says to restart ambari server after configuration. https://docs.hortonworks.com/HDPDocuments/Ambari-2.0.0.0/bk_releasenotes_ambari_2.0.0/content/ambari_relnotes-2.0.0.0-fixed-issues.html search for 30278 Hence after restart of ambari server started receiving alerts on email. ... View more

@Dhiraj Refer the below article: https://community.hortonworks.com/storage/attachments/5493-bench-marking-and-stress-testing-ilovepdf-compress.pdf ... View more