I am planning to do an automation where i can do OS upgrade/patching (One node at a time) which needs node restart. How can i test the services are up and running on that node after patching ? Looking for something like api which can help to validate services on datanode,namenode and edge node. ... View more

I have a table as below and want to partition table based on country, what are the possible ways to achieve it ? ---------------------- CREATE TABLE struct_demo ( id BIGINT, name STRING, places_lived ARRAY < STRUCT <street: STRING, city: STRING, country: STRING >>, ); --------------------------- ... View more

report.png Hadoop CM reports screenshot for reference to know is there any similar feature do we have in ambari ? ... View more

I am able to list jobs using below command with different status as finished/failed/killed. http://hostname:8088/ws/v1/cluster/apps?states=FINISHED but what i need is, the report should list jobs for a week or month ? I need to list finished jobs for a month and then list jobs for a week? I tried using parameter startedTime=1505907111909 but not sure on how we can implement this ? please share the format how should i use this ... View more