title: Could anyone please explain what is c000 means in c000.snappy.parquet or c000.snappy.orc??
body: <p>I have searched through every documentation and still didn't find why there is a prefix and what is c000 in the below file naming convention:</p>
  
  <p>file:/Users/stephen/p/spark/f1/part-00000-445036f9-7a40-4333-8405-8451faa44319-
  c000.snappy.parquet</p>