HDFS is Hadoop Distributed File System and provides High Availability through Replication and Automatic Failover. This 4th article of the Hadoop for DBAs series digs into HDFS concepts. It is probably the funniest part to learn for DBAs. It is also the closest to what you are used to. There are dozens of features to …
Hadoop for DBAs (4/13): Introduction to HDFS Lire la suite »
After « Building Hadoop for Oracle Linux 7 (2/13) », it is somehow expected to deploy Hadoop on Oracle Linux 7. This third article of the series shows how to create a 3-node Hadoop cluster. Once the cluster up and running, it digs into the processes, logs and consoles. The last step of it is to execute …
Hadoop for DBAs (3/13): A Simple 3-Node Hadoop Cluster Lire la suite »
You may prefer to install Hadoop from distributions like the ones from Cloudera or Hortonworks… Even better, deploy Hadoop in the cloud or with an appliance like Netapp’s or Oracle’s. Those solutions help build, manage and are ready for your operating system. That’s not so obvious with Apache Hadoop software library. No Pain, no gain! These …
Hadoop for DBAs (2/13): Building Hadoop for Oracle Linux 7 Lire la suite »
