Hadoop collaboration platform from Beginners to Professionals

Sqoop Import from MySql to Hbase

It is often a requirement to move your RDBMS(MySql) data to Hbase. Now we will have a look how we can import Mysql or any RDBMS table directly to Hadoop Hbase. we will use again "Sqoop Import" with hbase specific details. If you see in detail we have added column-family and hbase-create-table two ...

Sqoop Import from MySql to Hive

This is another common requirement where we need to deal with MySql table import to Hive. We can still use sqoop import to perform the same task. we need to specify the hive-table Destination table name. --create-hive-table --hive-import instructing sqoop that it will be a hive import operation f...

Sqoop Import and Export MySql to HDFS

It's one of the common use cases to import data in Hadoop or it subproject Hive/Hbase from one of RDBMS(Sql server, MySql, Oracle) to Hadoop. as Most of the organizations are using one way or other any type of RDBMS. To use Hadoop and churn out the available data we should have hands on commands Con...

Shuffle and Sort (SnS) – Key to understand the Magic

Shuffle and Sort (SnS) magic happens at both Map and Reduce side. Lets try to describe the process in detail and in such a language which is easier to understand and remember. This part is also key to understand the per-requisite to Secondary Sort, Map-Side join and Reduce-Side Join.Number of m...

HBase Vs Cassandra

In this new world of evolving Big Data, it is important to understand  the latest technology. Both Cassandra and HBase have adopted from the original Bigtable definition are NoSQL databases. Both safeguard loss of data from failure of cluster node and have distributed databases. Both are designed i...

HBase Vs HDFS

We know that both Hbase and HDFS can stores data and provide flexible data model. Both of these HDFS is a distributed file system whereas on the other hand HBase is a distributed column oriented database. which works in top of HDFS. Both of these, have vital use in Hadoop technology. No doubt, Hadoo...