Last week I wrote about a 300 node cluster using Raspberry Pi (RPi) microcomputers. But can you do useful work on such a low-cost, low-power cluster? Yes, you can. Hadoop runs on massive clusters ...

In a nutshell, in any given Hadoop cluster, a single Name Node is responsible for tracking which slave nodes are available, where in the cluster certain data resides, and which nodes have failed.

Things required for setting up the hadoop cluster: Supported platforms. Linux/GNU is supported platform that is used for development and production purposes. Hadoop has been shown on Linux/GNU ...

The Web analytics firm comScore knows a thing or two about managing big data. With tens of billions of data points added to its 400-node Hadoop cluster every day, the company is no stranger to ...

To accommodate the surging data volumes, the company earlier this year launched an effort to move the ever-growing Hadoop cluster to a new and bigger Facebook data center in Prineville, Ore.

The Tesla K80s (four per node) and some purpose-built GPU servers sit in the same core Hadoop cluster with memory shared via a pool across the Infiniband connection. The Yarn scheduler has a feature, ...

Hadoop data node blocks, I/O and timings are illustrated here for a specific Hadoop instance (hdfs1) through Bright’s Cluster Management GUI. Note that Bright allows time series of Hadoop-specific ...

Hadoop operates using computer clusters, splitting files into blocks and distributing across nodes in a given cluster. Using Hadoop, MapReduce jobs can be delegated to the particular node where ...

If you plan to build a Hadoop cluster with Dell’s hardware, it’s Cloudera or nothing. Maybe that’s not the worst approach, ... and offers the ability to scale up to 48 nodes. ...

Symantec Enterprise Solution for Hadoop is designed to ensure that analytics applications continue to run as long as there is at least one working node in the cluster, according to the company ...