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 ...

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 ...

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, ...

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 ...

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 ...

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.

Evernote settled on a new approach composed of Hadoop and ParAccel. A 10-node Hadoop cluster now stores all historical data and handles data preparation for analytics.

Organizations that want to move their on-prem Hadoop cluster to the cloud may be interested in a new solution unveiled yesterday by WANdisco. Called LiveData Migrator, the software allows customers to ...