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Posts tagged "hdfs"

Tag Archives: hdfs

Creating Partitioned Hive table and importing data

rajesh • March 9, 2016bigdata create table, hadoop, hdfs, hive, partitioning
4

We will see how to create a partitioned table in Hive and how to import data into the table. Partitioning We can use partitioning feature of Hive to divide a table into different partitions. Each partition of a table is associated with a particular value(s) of partition column(s). Partitioning allows…

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HDFS File operations using Java APIs

rajesh • January 15, 2016hadoop bigdata, hadoop, hdfs
0

In this article we will see how to perform file operations on HDFS using Java APIs. Hadoop core jar is required to be added to the classpath. The class org.apache.hadoop.fs.FileSystem provide APIs for performing operations on HDFS. 1. Read a file from HDFS //Imports import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; //Code to…

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