Write a spark program to check if a given keyword exists in a huge text file or not?
Write a spark program to check if a given keyword exists in a huge text file or not?
题目类型: 技术面试题
这是一道技术面试题,常见于澳洲IT公司面试中。
难度: hard
标签: interviewbit, spark, topic-specific, data-engineering
参考答案摘要
def keywordExists(line): if (line.find(“my_keyword”) > -1): return 1 return 0 lines = sparkContext.textFile(“test_file.txt”); isExist = lines.map(keywordExists); sum = isExist.reduce(sum); print(“Foun...
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