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.
March has two birthstones â the aquamarine and the bloodstone. March has two birthstones â aquamarine and bloodstone. Aquamarine. Aquamarines vary in color from deep blue to blue-green of different intensities, caused by traces of iron in the beryl crystal. Naturally occurring deep blue stones are the most prized because they are rare and expensive.