Bucketing in Hive with Examples

  • date 31st May, 2019 |
  • by Prwatech |
  • 0 Comments

 

Bucketing in Hive with Examples

 

Bucketing in Hive with Examples, are you looking for the information of bucketing in Hadoop hive? Or the one who is casually glancing for the best platform which is providing bucketing in a hive with examples for beginners or information on the creation of a bucketed table in Hive? Then you’ve landed on the Right Platform which is packed with Tons of Tutorials of bucketing in Hadoop hive. Follow the below mentioned Bucketing in Hive tutorial for Beginners which were originally designed by the world-class Trainers of Hadoop Training institute Professionals.

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Creation of Bucketed Table in Hive

 

Create Table: Create a table using below-mentioned columns and provide field and lines terminating delimiters.

 

Bucketing in Hive with Examples

 

Load Data into Table: Load data into a table from an external source by providing the path of the data file.

 

Bucketing in Hive with Examples

Bucketing in Hive with Examples

 

Select data: Using the below-mentioned command to display the loaded data into table.

 

Bucketing in Hive with Examples

 

Properties setting: To populate the bucketed table, we have to set hive.enforce.bucketing property to ‘true’, so that the Hive knows to create the number of buckets declared in the table definition.

 

Bucketing in Hive with Examples

 

Inserting Data into bucket table:  Inserting data from previously created table (personal_info) into the bucket table.

 

Bucketing in Hive with Examples

 

As we can see below we have created two partitions and according to 4 buckets had been created.

 

Bucketing in Hive with Examples

 

Now as we navigated to our HDFS file system we can find the created “bucket_table” under mentioned below directory.

 

Bucketing in Hive with Examples

 

As we navigate further into the bucket_table directory we can see that two partitioned has been created depending on the data which was inserted.

 

Bucketing in Hive with Examples

 

And further, as we navigate we can see four buckets have been created for each partition.

 

Bucketing in Hive with Examples

 

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