Recently, I came across a problem of dividing a folder with N number of files into sub-folders with almost equal…
Forgot ‘ambari’ password?
Working with multiple clusters at the same time can sometimes mean too many passwords to make note of! While for the…
Tire Pressure of Harley Davidson Softail Slim S
Front tire 36 psi Rear tire 42 psi Putting a note about the optimal tire pressure for my Harley Davidson…
Switching between Namenodes
Once Namenode HA is configured for the Hadoop cluster, generally you have one ‘active’ and one ‘standby’ namenode. Basically, this…
Dealing with ‘under-replicated’ blocks in the HDFS
One fine evening, I came across a notification in our HDP cluster. This was result of planned node modification which…
How to ingest JSON data to Hive?
Given JSON Data { “Person”: { “FirstName”: “Piyush”, “LastName”: “Routray”, “date”: [1990, 10, 28] }, “Friends”: [{ “Name”: “Vaibhav”, “State”:…
How to use an NTFS disk with mac?
When I wanted to upgrade from my present Macbook Pro, I was faced with the challenge of moving all the…
Thoughts on attending the AWS Summit 2016.
It was fun attending the AWS Summit at Santa Clara today. Albeit a free to register event, I felt it…
Piyush Routray 