Question

Spark ORC reader is reading complete file even though single column is queried

score 597 · Answer 1 · 2016-12-19 11:55:00

597

Views

Spark ORC reader is reading complete file even though single column is queried

Published on 19 December 2016 at 11:55

score 559 · Answer 2 · 2016-12-26 09:53:36

559

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score 788 · Answer 4 · 2017-08-27 15:47:29

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score 425 · Answer 6 · 2017-08-30 11:04:56

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score 2.4k · Answer 7 · 2017-08-31 14:13:01

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score 540 · Answer 8 · 2017-09-14 15:48:11

540

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score 3.2k · Answer 9 · 2017-09-19 01:18:44

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score 149 · Answer 12 · 2023-10-16 03:54:46

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score 87 · Answer 13 · 2023-11-04 06:58:50

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score 68 · Answer 14 · 2023-11-10 08:54:52

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score 1.6k · Answer 16 · 2020-11-23 11:05:22

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score 1.4k · Answer 17 · 2020-11-20 20:25:22

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score 555 · Answer 18 · 2020-11-27 07:39:44

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score 126 · Answer 19 · 2020-11-26 12:24:35

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score 161 · Answer 20 · 2020-11-26 15:36:26

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List Question

Spark ORC reader is reading complete file even though single column is queried

hive data processing taking longer time than expected

Spark 2.0 DataSourceRegister configuration error while saving DataFrame as cvs

Apache nifi issue with saving data from json to orc

Hive LLAP - ORC split generation failed

How to fasten spark dataframe write to hive table in ORC store

NiFi PutHiveStreaming processor with Hive: Failed connecting to EndPoint

How to create small files while inserting data to hive ORC table using TEZ

Java: Read JSON from a file, convert to ORC and write to a file

Optimize write to a hive table

Renaming Column names in hive ORC table is resulting in NULL values in the New column

Detection and Cleaning of Strike-out Texts on Handwriting

binary format that allows to store multiple pandas dataframes with different columns, width, rows

Read ORC files from AWS S3 bucket in Flink app

How to read orc data into BQ while preserving "\r\n" in a string value?

Google BigQuery cannot read some ORC data

How to handle Athena when there are schema changes in new data?

load orc format to aurora postgres DB

Problem with dependency maven jar , i am getting below error ,

Select clause not showing '\u0001 char present inside string field in Hive CLI output

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