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.
May's birthstone, Emerald brings happiness, prosperity, success and goodness. Emerald is also believed to cure ailments and legends said that emeralds had bewitching and magical properties. Emeralds signify honesty, wisdom, growth and patience. June's first birthstone, Pearl, has long been a symbol of purity.eptember's birthstone, Sapphire is associated with faith, honesty, wisdom and serenity. It is believed to increase mental clarity and enhance spirituality in a person. Sapphires are generally deep blue in colour but they are also found in other colors like yellow and pink.