 spark ‌ loo vibhajanalanu shaful cheyadanki vacchinappudu colless mariyu repartition Madhya teedaa emti 
Coalesce  tappanisariga bahulha vibhajanalanu peddha vibhajanalugaa samoohaparustundi .  kabaadi meeru vibhajanala sankhyanu  ( mariyu task ‌ lu kudaa )  tagginchaalanukunnappa kramabaddheekarana kramaanni prabhaavitam chaeyakumdaa  coalesce  upayoginchandi .  udaa :-  meeru bahulha bhaagaalaku badhuluga oche  CSV  fail avut ‌ putt ‌ nu vraayaalanukunnappuda 


 meeru vibhajanala sankhyanu maarchae shaful ‌ ku kaaranam kavalanukunnappudu punarvibhajananu upayoginchandi .  punahvibhajana choose ooka sadarana upyoga sandharbham aemitante fail parimaanaalalo vakratanu tholaginchadam ledha spark ‌ loni dephaalt kante chinna / vaerae sankhyalo vibhajanalatho prarambhinchadam .