In addition to Weibo, there is also WeChat
Please pay attention
WeChat public account
Shulou
2025-04-27 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
Share
Shulou(Shulou.com)06/03 Report--
A brief introduction to the Core concept of Spark
A Spark application is initiated by a driver program to initiate various concurrent operations on the cluster. A driver program generally contains multiple actuator nodes, and the driver program accesses the saprk through a SaprkContext object. RDD (flexible distributed dataset)-distributed collection of elements. RDD supports two operations: conversion operation and action operation, such as map and reduce functions.
Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.
Views: 0
*The comments in the above article only represent the author's personal views and do not represent the views and positions of this website. If you have more insights, please feel free to contribute and share.
Continue with the installation of the previous hadoop.First, install zookooper1. Decompress zookoope
"Every 5-10 years, there's a rare product, a really special, very unusual product that's the most un
© 2024 shulou.com SLNews company. All rights reserved.
12
Report
