 spark ‌ loo dataset entha peddadiga undhoo neenu elaa chudagalanu ?
 meeru  ` kaunt ()`  addhatini upayoginchi dataframe ledha  RDD loo rikard ‌ l sankhyanu kanugonavacchu .  bite ‌ l paranga idi entha peddado meeru chudalanukunte ,  meeru yea samaachaaraanni  Spark UI loo kanugonavacchu .