Weâd like to introduce a new columnar storage format for Hadoop called Parquet, which started as a joint project between Twitter and Cloudera engineers.
There are two birthstones for the month of June. Alexandrite was the traditional birthstone for June, but due to its scarcity and cost, pearl has become June's common birthstone. The alexandrite was named after Czar Alexander II and is one of the most desired gems. Its color changes with the lighting surrounding the stone, which is called its phenomena.
Peridot is the official birthstone for the month of August as adopted by the American National Association of Jewelers in 1912. It is also the stone for the Zodiac sign of Libra. See the birthstone tables for additional references to this stone.Peridot may be given as a gem on the 16th wedding anniversary.eridot is the official birthstone for the month of August as adopted by the American National Association of Jewelers in 1912. It is also the stone for the Zodiac sign of Libra. See the birthstone tables for additional references to this stone.