How would you address the issue of creating a single Hive table for multiple small CSV files located in the /input directory of HDFS, without compromising the system's performance, given that using many small files can slow down Hadoop's performance?
How would you address the issue of creating a single Hive table for multiple small CSV files located in the /input directory of HDFS, without compromising the system's performance, given that using many small files can slow down Hadoop's performance?
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, hive, topic-specific, data-engineering
参考答案摘要
The CSV files contain data in the following format: {id, name, e-mail, country}. There are various methods to address the issue and enhance the system's efficiency: Merge the small CSV files into bigg...
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