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New posts in mapreduce

Hadoop - increasing map tasks in xml doesn't increases map tasks when runs

hadoop mapreduce

How do I learn to use Java commons-collections?

What is the correct way to use oozie to write to multiple output streams for a mapreduce job?

java hadoop mapreduce oozie

How to schedule Hadoop Map tasks in multi-core 8 node cluster?

hadoop mapreduce cloudera

Is Wikipedia's explanation of Map Reduce's reduce incorrect?

mongodb mapreduce

Difference between Threading and Map-Reduce processing?

multithreading mapreduce

Hadoop and different Format of inputs like Image, Audio, Video

Apache Pig: unable to run my own pig.jar and pig-withouthadoop.jar

storing images in HBASE for processing and quick access

Pig java.lang.NoSuchFieldException: jobsInProgress exception

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

Reduce is called several times with the same key in mongodb map-reduce

mongodb mapreduce

Difference between combiner and in-mapper combiner in mapreduce?

hadoop mapreduce combiners

How can we pass List<Text> as Mapper output?

hadoop mapreduce

Efficiency of flatMap vs map followed by reduce in Spark

Querying Hbase efficiently

aggregate Dataframe pyspark

HBase: How to specify multiple prefix filters in a single scan operation

Unable to run mapreduce wordcount

hadoop mapreduce

Hadoop or Hadoop Streaming for MapReduce on AWS