In Pictures: Facebook’s most important open source...
Yes, Hive is another Facebook contribution that is now used by many people in the big data world. Running on its HiveQL programming language, Hive supports large datasets in Hadoop-compatible file systems. Beyond that, though, Hive has become a vital part of the Hadoop ecosystem. As Hadoop and big data have exploded, so has Hive.
In Pictures: Facebook’s most important open source projects