curl -iv -u $Ambariuser:$ambaripass -H "X-Requested-By: ambari" -X POST -d '{"Users/user_name":"$username","Users/password":"$password","Users/active":"true","Users/admin":"false"}' http://$localhost:8080/api/v1/users I am executing this curl command to create user, but $username does not replace what I am passing instead it is passing as $username only, and user been created as $username ... View more

ambari metrics collector restarting again and again, first it refuse to connect then alerts in ambari and finally it's status OK, this is happening again and again, stopping and auto starting itself, I have gone through amabari-metrics-collector logs Error Path:/ams-hbase-unsecure Error:KeeperErrorCode = NodeExists for /ams-hbase-unsecure Error:KeeperErrorCode = NodeExists for /ams-hbase-unsecure/online-snapshot/acquired zookeeper.ClientCnxn: Opening socket connection to server Will not attempt to authenticate using SASL (unknown error) Note : hbase.zookeeper.property.clientPort=2181 ... View more

I want to add particular user let's say am to particular yarn queue q1 ? ... View more

I have to change yarn.nodemanager.linux-container-executor.nonsecure-mode.limit-users property value, but i changed yarn-site.xml going to server, instead of doing this we can go to ambari and change custom-site. but i do not understand why first method is not recommended ? ... View more

I want to get application id, type , memory usage and start time for running applications using resource manager rest api ? ... View more

When i create Internal table with phoenix i got error " Syntax error. Encountered "BY" " create table phoenix_table ( . . . . . . . . > s1 CHAR(10), . . . . . . . . > i1 INTEGER, . . . . . . . . > f1 FLOAT, . . . . . . . . > d1 DOUBLE . . . . . . . . > ) . . . . . . . . > STORED BY 'org.apache.phoenix.hive.PhoenixStorageHandler' . . . . . . . . > TBLPROPERTIES ( . . . . . . . . > "phoenix.table.name" = "phoenix_table", . . . . . . . . > "phoenix.zookeeper.quorum" = "localhost", . . . . . . . . > "phoenix.zookeeper.znode.parent" = "/hbase", . . . . . . . . > "phoenix.zookeeper.client.port" = "2181", . . . . . . . . > "phoenix.rowkeys" = "s1, i1", . . . . . . . . > "phoenix.column.mapping" = "s1:s1, i1:i1, f1:f1, d1:d1", . . . . . . . . > "phoenix.table.options" = "SALT_BUCKETS=10, DATA_BLOCK_ENCODING='DIFF'" . . . . . . . . > ); ... View more