Category: Hadoop

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Impala Export to CSV

Apache Impala is an open source massively parallel processing SQL query engine for data stored in a computer cluster running Apache Hadoop. In some cases, impala-shell is installed manually...

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Salesforce connector in Spark

Salesforce is a customer relationship management solution that brings companies and customers together. It’s one integrated CRM platform that gives all your departments — including marketing, sales, commerce,...

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Useful commands for hadoop developer

This post combines most frequently used command for spark, emr, yarn and AWS by hadoop developer. Kill Spark  job: This command will kill all the running spark jobs.

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Missing Imputation in scala 0

Missing Imputation in scala

Imputation: In statistics, imputation is the process of replacing missing data with substituted values. When substituting for a data point, it is known as “unit imputation”; when substituting...

Missing Imputation in python 0

Missing Imputation in python

Imputation: In statistics, imputation is the process of replacing missing data with substituted values. When substituting for a data point, it is known as “unit imputation”; when substituting...

Spark SQL Using Parquet 0

Spark SQL Using Parquet

Today, I’m focusing on how to use parquet format in spark.  Please get the more insight about parquet format If you are new to this format. Parquet: Apache Parquet is a...