Spark

Rename column & df operation groupBy
Dear Suneel, Hope you are doing well. We cannot use groupBy and avg in RDD but we can use it in dataframe so you can convert it to data fra...
Thu, 4 May, 2017 at 4:29 PM
Read and Write CSV, JSON in spark
Dear Rajesh, Hope you are doing well. For csv file we need databricks jar to be registered or if you don't want to use this jar then r...
Tue, 16 May, 2017 at 4:16 PM
SPARK WITH CASSANDRA WORKING CODE.
Dear , Hope you are doing well. As such now we only have below working code for spark-cassandra. Please install cassandra in the VM. ...
Sat, 27 May, 2017 at 3:39 PM
Maven with spark and scala
Dear Sachin, Hope you are doing well. Please check the attached document for spark-maven project. Please watch the below video for re...
Sun, 4 Jun, 2017 at 2:38 PM
3rd Highest salary in Hive
Dear Deepanjan, Greetings! Please try below code. CREATE TABLE IF NOT EXISTS sampletable (Empl STRING, Depart STRING, salary INT) row format delimited...
Tue, 18 Jul, 2017 at 4:38 PM
hbase in cloudera
Greetings! Please refer below screenshots for cloudera VM. First reboot the VM then follow as per the screenshots. ...
Wed, 10 Jan, 2018 at 1:32 PM
sqoop in cloudlab
Dear Learner, Hope you are doing well. Please accept our sincere apology for the delay. Please do the following steps for resol...
Thu, 8 Feb, 2018 at 11:50 AM
US_Election_Spark
Dear Learner, Hope you are doing well. Please go through the below explanation. For us elections different factors that led to the winni...
Tue, 13 Mar, 2018 at 1:13 PM
zeppelin in cloudlab
Dear Learner, Hope you are doing good,   We have zeppelin in spark vm , but , there is existing issue with the same. There is existing issue...
Tue, 13 Mar, 2018 at 1:12 PM
Spark-shell in new edureka VM
Dear Learner Greetings spark-shell is not started properly so you are getting this error. Please follow the below steps. ==> Open the...
Wed, 18 Apr, 2018 at 11:16 AM