@hrongali@hortonworks.com VMs based on NFS - Not a good idea (Performance impact) There is best practice document from VMware on this that you may want to look at. Can NFS Share support multiple mount points ? Yes if you meant if we can mount NFS share to multiple hosts. ... View more

@Hajime Useful information. Link When there are multiple RMs, the configuration (yarn-site.xml) used by clients and nodes is expected to list all the RMs. Clients, ApplicationMasters (AMs) and NodeManagers (NMs) try connecting to the RMs in a round-robin fashion until they hit the Active RM. If the Active goes down, they resume the round-robin polling until they hit the “new” Active. This default retry logic is implemented as org.apache.hadoop.yarn.client.ConfiguredRMFailoverProxyProvider. You can override the logic by implementing org.apache.hadoop.yarn.client.RMFailoverProxyProvider and setting the value of yarn.client.failover-proxy-provider to the class name. Editing based on the discussion. Oozie and RM HA ... View more

@hfaouaz@hortonworks.com javax.naming.ServiceUnavailableException: xx.xxx.xx..xx:636; socket closed Is LDAPS in place? If yes then make sure you are using ldaps in url ... View more