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HDFS
Hadoop Distributed File System, HDFS for short, is a Java-based distributed file system that allows to store large data sets (files which are in the range of terabytes and petabytes) reliably. HDFS is highly fault-tolerant and is designed to be deployed on low-cost hardware. It is the primary storage used by Hadoop applications.
| First released | 2005 |
| Developed by | Doug Cutting |
| Open-source | Yes |
| Used by | eBay, Facebook, Yahoo! |
Interesting facts
HDFS is one of the two major components of Apache Hadoop (the second one is YARN).