Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
It is suggested that you never use the -skipTrash option
unless you are absolutely aware of what you are doing.
I made mistakes a couple of times in …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Hive is case-insensitive, both keywords and functions
You can use both double and single quotes for strings
use = rather than == for equality comparison
but it seems that == also works
use % rather …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
http://wesmckinney.com/blog/python-hdfs-interfaces/
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
val conf = sc.hadoopConfiguration
val fs = org.apache.hadoop.fs.FileSystem.get(conf)
val exists = fs.exists(new org.apache.hadoop.fs.Path("/path/on/hdfs …