@Chingiz Akmatov spark-env.sh is ambari managed file and expose on UI. So you can make changes to it from Amabri UI. To do so Go to Spark2->Configs->Advanced spark2-env section->content property and add the env variable ... View more

@David Pocivalnik every time recommendation API call is made, new entry for logs is made at path "/var/run/ambari-server/stack-recommendations/" on ambari-server host. there will be several and if you are not certain about the last entry then please move all historical existing entries to different location and then again go through add service wizard to produce a repro. Entry will have stackadvisor.err and stackadvisor.out files. Please refer them for further debugging the issue. If it's not clear from logs, please compress the directory and post it on this thread, So that we can get more information for debugging purpose. ... View more

Hi @Meng Meng Ambari UI si completely driven from Ambari REST API API call to create a new YARN config group and add a host from default group to it: curl 'http://c6401.ambari.apache.org:8080/api/v1/clusters/c1/config_groups' -u admin:admin -H "X-Requested-By: ambari" -i -X POST --data '[{"ConfigGroup":{"group_name":"custom_group","tag":"YARN","description":"This is a custom group","desired_configs":[],"hosts":[{"host_name":"c6401.ambari.apache.org"}]}}]' But if a host does not belong to Default config group and belongs to any other custom group and is desired to be moved to another custom config group then first it needs to be removed from prior custom config group and then be added to the desired new custom config group. The same API (use PUT instead of POST method) as mentioned above can be used to first remove it from the previous config group curl 'http://c6401.ambari.apache.org:8080/api/v1/clusters/c1/config_groups/2' -u admin:admin -H "X-Requested-By: ambari" -i -X PUT --data '{"ConfigGroup":{"group_name":"custom_group","description":"This is a custom group","tag":"YARN","hosts":[],"desired_configs":[]}}' --compressed Note: In above mentioned APIs, you need to change ambari-server hostname, cluster name, group_name, description and tag (service name) as applicable in your environment ... View more

@Sami Ahmad 1. can you please let us know the version of ambari that you are using ? 2. Also can you check the current value for the same property (yarn.resourcemanager.ha.enabled) on YARN service config page in Ambari ? 3. Can you view the config version that enabled RM HA and check the same property's value ? you can do this from UI and API. UI: enable-rm-ha.png API: http://localhost:8080/api/v1/clusters/c1/configurations/service_config_versions?service_name=YARN&service_config_version_note=This%20configuration%20is%20created%20by%20Enable%20ResourceManager%20HA%20wizard Once you get the response from API, do a lookup for the property value ... View more

@Shashant Panwar you will also need to clean alerts and service config tables: Some of them are as followed: serviceconfig serviceconfigmapping alert_definition alert_current alert_group alert_history I will rather encourage to resolve the issue of showing Mahout in the UI and then delete service from UI (if using ambari-2.4.0 or above) or from Ambari API Can you let us know what version of ambari are you using ? Also what is the content of clusterservices and servicedesiredstate tables specifically if Mahout service entry is present or not? ... View more