Category "hadoop"

Use named_struct function in Hive with all the columns of a table

In Hive, you can use a function named_struct in order to create a list of key value pairs; the keys are usually the column names and the values are the values i

why password less ssh not working?

I connected 3 data nodes(in all these data nodes pass-wordless is working fine) in my cluster which are working fine but when i try to connect another data node