Recent questions tagged bigdata

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bigdata - What are the differences between Sort Comparator and Group Comparator in Hadoop?

What are the differences between Sort Comparator and Group Comparator in Hadoop? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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bigdata - How can I tell when my dataset in R is going to be too large?

I am going to be undertaking some logfile analyses in R (unless I can't do it in R), and I understand ... (suggestions welcome...!). thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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bigdata - Is there a way to transpose data in Hive?

Can data in Hive be transposed? As in, the rows become columns and columns are the rows? If there is no ... desired output table. Thanks again! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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