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11: Docker Tutorial: Hadoop Big Data CLIs on Cloudera quickstart

There are a number of CLIs that you can run from the edge node, which is the gateway node to the Hadoop cluster consisting of master & slave (aka worker) nodes. Let’s look at the different CLIs (i.e Command Line Interfaces)

Most of the CLIs listed below are in /usr/bin

hdfs CLI

The following command will give you the commands you can use with “hdfs”

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12: Docker Tutorial: Hadoop Big Data configuration files on Cloudera quickstart

The “etc” (i.e etcetera) folder is mainly for configuration files. It’s purpose is to host various configuration files. For instance, to add a new hard drive to your system and have Linux auto-mount it on boot, you’d have to edit /etc/fstab. Key “Hadoop Cluster Configuration” files are:

hadoop-env.sh

This file specifies environment variables that affect the JDK used by Hadoop Daemon (i.e.

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13: Docker Tutorial: Apache Spark (spark-shell & pyspark) on Cloudera quickstart

This extends Docker Tutorial: BigData on Cloudera quickstart via Docker. Step 1: Run the container on a command line.

Step 2: Create a text file “simple.txt” in the local file system.

Step 3: Copy this file onto HDFS file system. … Read more ›...

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14: Docker Tutorial: Hive (via beeline) on Cloudera quickstart

This extends Docker Tutorial: BigData on Cloudera quickstart via Docker. Step 1: Run the container on a command line.

Step 2: Create a csv file “employee.csv” in the local file system.

Step 3: Copy this file onto HDFS file system. … Read more ›...

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15: Docker Tutorial: Hive & parquet-tools – csv to parquet on Cloudera quickstart

CSV is a row based storage, and Parquet is columnar in nature, and it is designed from the ground up for efficient storage, compression and encoding, which gives better performance. Run the cloudera/quickstart This extends Docker Tutorial: BigData on Cloudera quickstart via Docker. … Read more ›...

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16: Docker Tutorial: Apache Spark (spark-shell) & parquet-tools – csv to parquet on Cloudera quickstart

This extends Docker Tutorial: BigData on Cloudera quickstart via Docker. Step 1: Run the container on a command line.

Get parquet-tools Step 2: Install wget. The “uname -a” gets you the info of the kernel. … Read more ›...

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17: Docker Tutorial: sqoop import – on Cloudera quickstart

This extends Docker Tutorial: BigData on Cloudera quickstart via Docker. Step 1: Run the container on a command line.

Connect to MySQL DB Step 2: Hive & Impala store the metadata in a database like MySQL. … Read more ›...

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18: Docker Tutorial: sqoop export – on Cloudera quickstart

This extends Docker Tutorial: BigData on Cloudera quickstart via Docker. Step 1: Run the container on a command line.

Connect to MySQL DB Step 2: Hive & Impala store the metadata in a database like MySQL. … Read more ›...

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19: Docker Tutorial: Apache Spark SQL – on Cloudera quickstart

This extends Docker Tutorial: BigData on Cloudera quickstart via Docker.

Step 1: Run the container on a command line.

Create a .csv in HDFS

Step 2: Create a csv file “employee.csv” in the local file system.

…

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20: Docker Tutorial: Apache Spark (spark-submit) in Java on Cloudera quickstart

This extends Docker Tutorial: BigData on Cloudera quickstart via Docker. Step 1: Run the container on a command line.

Step 2: Java is already installed as part of the “cloudera/quickstart” docker image.

update-alternatives If you have multiple versions or installations of Java, … Read more ›...

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21: Docker Tutorial: Apache Spark (spark-submit) in Scala on Cloudera quickstart

Extends 20: Docker Tutorial: Apache Spark-submit in Java – on Cloudera quickstart, and Docker Tutorial: BigData on Cloudera quickstart via Docker. Step 1: Run the container on a command line.

Install Java 8 Step 2: Install Java 8. … Read more ›...

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22: Docker Tutorial: Apache Spark (spark-submit) in Python 2.6 on Cloudera quickstart

Extends 20: Docker Tutorial: Apache Spark-submit in Java – on Cloudera quickstart, and Docker Tutorial: BigData on Cloudera quickstart via Docker. Step 1: Run the container on a command line.

Python version Step 2: The cloudera/quickstart comes with Python 2.6. … Read more ›...

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23: Docker Tutorial: Apache Spark (spark-submit) in Python 3 with virtual env on Cloudera quickstart

Prerequisite: Docker is installed on your Windows or Mac, and you have a basic understanding of Docker. Docker tutorials step by step | Hadoop, Hive, Impala & Spark on Cloudera quickstart on Docker tutorials

Step 1: Pull the modified image “gdancik/cloudera”

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