文章目录 Do you have any hobbies? What are you interested in? What do you usually do in your spare time?
Could you tell me something about your family? Could you briefly introduce your family?
What is your hometown like? Please tell me so…
1、使用spark统计worldcount
val words lines.flatMap(line > line.split(" "))
val pairs words.map(word > (word, 1))
val wordCounts pairs.reduceByKey(_ _)2、什么是clickhouse,优势是什么
clickhouse是列式存储关系里系统,…