@Shelton # Your system has configured 'manage_etc_hosts' as True. # As a result, if you wish for changes to this file to persist # then you will need to either # a.) make changes to the master file in /etc/cloud/templates/hosts.debian.tmpl # b.) change or remove the value of 'manage_etc_hosts' in # /etc/cloud/cloud.cfg or cloud-config from user-data # <master-ip> master <hostname>-00 <slave-ip> slave01 <hostname>-01 # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters ff02::3 ip6-allhosts   For the yarn-site.xml file in the hadoop folder this is one of the configs   <property> <name>yarn.resourcemanager.hostname</name> <value><master-ip></value> </property> ... View more

Hello @Shelton,   I have a new problem and was wondering if you could help me out.   https://community.cloudera.com/t5/Support-Questions/Process-Stuck-in-Hadoop-Cluster/td-p/305553   I'm trying to run a process and the yarn.nodemanager log get stuck in the following lines:   2020-11-07 04:19:34,342 INFO org.apache.hadoop.yarn.webapp.WebApps: Web app node started at 8042 2020-11-07 04:19:34,347 INFO org.apache.hadoop.yarn.client.RMProxy: Connecting to ResourceManager at /138.68.238.32:8031 2020-11-07 04:19:34,368 INFO org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Sending out 0 NM container statuses: [] 2020-11-07 04:19:34,373 INFO org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Registering with RM using containers :[] 2020-11-07 04:19:34,520 INFO org.apache.hadoop.yarn.server.nodemanager.security.NMContainerTokenSecretManager: Rolling master-key for container-tokens, got key with id 1152592273 2020-11-07 04:19:34,523 INFO org.apache.hadoop.yarn.server.nodemanager.security.NMTokenSecretManagerInNM: Rolling master-key for container-tokens, got key with id -1064351767 2020-11-07 04:19:34,524 INFO org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Registered with ResourceManager as slave01:44367 with total resource of <memory:28672, vCores:6> 2020-11-07 04:19:34,524 INFO org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl: Notifying ContainerManager to unblock new container-requests   ... View more