Recent questions tagged hadoop

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

hadoop - Connect to kerberised hive using jdbc from remote windows system

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759 views 1 answer

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

hadoop - csv reading in pig, csv file contains quoted comma

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740 views 1 answer

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

hadoop - Why submitting job to mapreduce takes so much time in General?

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518 views 1 answer

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

hadoop - How to handle spill memory in pig

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713 views 1 answer

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

hadoop - remove surrounding quotes from fields while loading data into hive

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687 views 1 answer

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

hadoop - Access files that start with underscore in apache spark

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787 views 1 answer

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

hadoop - In spark join, does table order matter like in pig?

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751 views 1 answer

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

hadoop - Caused by: java.lang.ClassNotFoundException: org.apache.zookeeper.KeeperException

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834 views 1 answer

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

hadoop - Oozie > Java action > why property oozie.launcher.mapred.child.java.opts does not work

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720 views 1 answer

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

hadoop - Too many open files in EMR

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604 views 1 answer

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

hadoop - Apache Oozie failed loading ShareLib

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788 views 1 answer

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

hadoop - How to check whether the file exist in HDFS location, using oozie?

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921 views 1 answer

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

hadoop - Run a Local file system directory as input of a Mapper in cluster

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575 views 1 answer

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

hadoop - How to convert a Date String from UTC to Specific TimeZone in HIVE?

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1.3k views 1 answer

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

hadoop - Is it possible to read pdf/audio/video files(unstructured data) using Apache Spark?

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791 views 1 answer

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

hadoop - How to pass Hive conf variable in hive udf?

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758 views 1 answer

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

hadoop - Spark uses s3a: java.lang.NoSuchMethodError

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936 views 1 answer

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

hadoop - Auto renewal of Kerberos ticket not working from Java

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697 views 1 answer

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

hadoop - How hashing works in bucketing for hive?

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697 views 1 answer

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

hadoop yarn - Dataproc set number of vcores per executor container

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729 views 1 answer

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

hadoop - how to limit the number of mappers

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617 views 1 answer

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

hadoop - Will there be Shuffle and sort in Map only task?

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600 views 1 answer

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

hadoop - MRUnit with Avro NullPointerException in Serialization

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506 views 1 answer

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

hadoop - Why do I need to keep hbase/lib folder in hdfs?

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479 views 1 answer

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

hadoop - Pig: is it possible to write a loop over variables in a list?

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679 views 1 answer

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

hadoop - How to configure oozie workflow for multi-input path with multiple mappers

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572 views 1 answer

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

hadoop - Difference between spark Vectors and scala immutable Vector?

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599 views 1 answer

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

hadoop - Flume HDFS sink keeps rolling small files

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734 views 1 answer

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