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Recent questions tagged Hadoop
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hadoop - Hive query performance for high cardinality field
I have a single but huge table in hive which will almost always be queried with the primary key column (say, ... not help. Thanks in advance, See Question&Answers more detail:os...
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hadoop - How to delete and update a record in Hive
I have installed Hadoop, Hive, Hive JDBC. which are running fine for me. But I still have a problem. How to ... non-zero code: 1, cause: null See Question&Answers more detail:os...
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hadoop streaming - Pivot table with Apache Pig
I wonder if it's possible to pivot a table in one pass in Apache Pig. Input: Id Column1 Column2 Column3 1 ... to do it in Pig efficiently. See Question&Answers more detail:os...
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hadoop - How do I run graphx with Python / pyspark?
I am attempting to run Spark graphx with Python using pyspark. My installation appears correct, as I am able to ... tutorial to be in Python? See Question&Answers more detail:os...
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