Recent questions tagged hadoop

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1 answer 953 views

hadoop - How to access s3a:// files from Apache Spark?

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

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1 answer 949 views

hadoop - How to Access Hive via Python?

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

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1 answer 958 views

hadoop - Python read file as stream from HDFS

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

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1 answer 988 views

hadoop - How to fix corrupt HDFS FIles

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

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1 answer 990 views

hadoop - how many mappers and reduces will get created for a partitoned table in hive

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

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1 answer 865 views

hadoop - How to use Sqoop in Java Program?

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

0 votes

1 answer 1.1k views

hadoop - Name node is in safe mode. Not able to leave

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

0 votes

1 answer 1.0k views

hadoop - How to open/stream .zip files through Spark?

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

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1 answer 939 views

hadoop - How to transpose/pivot data in hive?

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

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1 answer 839 views

hadoop - Calling a mapreduce job from a simple java program

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

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1 answer 856 views

hadoop - Difference between Hive internal tables and external tables?

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

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1 answer 842 views

hadoop - What is the purpose of shuffling and sorting phase in the reducer in Map Reduce Programming?

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

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1 answer 830 views

hadoop - Setting the number of map tasks and reduce tasks

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

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1 answer 815 views

hadoop - What is the difference between partitioning and bucketing a table in Hive ?

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

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1 answer 912 views

hadoop - Container is running beyond memory limits

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

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1 answer 844 views

hadoop - Write a file in hdfs with Java

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

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1 answer 837 views

hadoop - merge output files after reduce phase

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

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1 answer 1.2k views

hadoop - HiveServer2 process failed connection alert