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New posts in mapreduce
Hadoop - increasing map tasks in xml doesn't increases map tasks when runs
Aug 01, 2022
hadoop
mapreduce
How do I learn to use Java commons-collections?
May 25, 2022
java
mapreduce
apache-commons-collection
What is the correct way to use oozie to write to multiple output streams for a mapreduce job?
Nov 25, 2018
java
hadoop
mapreduce
oozie
How to schedule Hadoop Map tasks in multi-core 8 node cluster?
Nov 21, 2022
hadoop
mapreduce
cloudera
Is Wikipedia's explanation of Map Reduce's reduce incorrect?
Nov 09, 2022
mongodb
mapreduce
Difference between Threading and Map-Reduce processing?
Feb 11, 2021
multithreading
mapreduce
Hadoop and different Format of inputs like Image, Audio, Video
Apr 08, 2022
java
linux
image
hadoop
mapreduce
Apache Pig: unable to run my own pig.jar and pig-withouthadoop.jar
Mar 14, 2022
java
hadoop
mapreduce
apache-pig
storing images in HBASE for processing and quick access
Sep 24, 2021
image
hadoop
mapreduce
hbase
random-access
Pig java.lang.NoSuchFieldException: jobsInProgress exception
Jul 30, 2020
hadoop
mapreduce
apache-pig
How to read a record that is split into multiple lines and also how to handle broken records during input split
Feb 14, 2021
hadoop
mapreduce
input-split
Reduce is called several times with the same key in mongodb map-reduce
Aug 25, 2022
mongodb
mapreduce
Difference between combiner and in-mapper combiner in mapreduce?
Dec 22, 2016
hadoop
mapreduce
combiners
How can we pass List<Text> as Mapper output?
Sep 24, 2022
hadoop
mapreduce
Efficiency of flatMap vs map followed by reduce in Spark
Oct 15, 2022
scala
apache-spark
mapreduce
rdd
flatmap
Querying Hbase efficiently
Sep 17, 2022
java
hadoop
mapreduce
hbase
hadoop2
aggregate Dataframe pyspark
Feb 20, 2022
python
apache-spark
mapreduce
group-by
HBase: How to specify multiple prefix filters in a single scan operation
Jun 24, 2022
java
scala
hadoop
mapreduce
hbase
Unable to run mapreduce wordcount
Aug 22, 2022
hadoop
mapreduce
Hadoop or Hadoop Streaming for MapReduce on AWS
Oct 25, 2022
streaming
amazon-web-services
hadoop
mapreduce
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