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New posts in mapreduce
mrjob: setup logging on EMR
Oct 23, 2021
python
hadoop
logging
mapreduce
mrjob
How to use mapreduce to bulk update datastore entities that satisfy a query?
Sep 04, 2022
java
google-app-engine
mapreduce
google-cloud-datastore
blobstore
Is lodash _.map faster than Node.js map?
May 26, 2022
node.js
mapreduce
lodash
How to use ReduceByKey on multiple key in a Scala Spark Job
Aug 12, 2022
scala
apache-spark
mapreduce
avro
How to change the structure of MongoDB's map-reduce results?
Jun 03, 2022
mongodb
mapreduce
Hadoop Throws ClassCastException for the keytype of java.nio.ByteBuffer
Feb 26, 2015
hadoop
mapreduce
bytebuffer
hadoop-streaming
What Are the Pros and Cons of Running a Job in Hadoop Using Various Languages?
Oct 15, 2022
hadoop
mapreduce
apache-pig
Is it possible to execute Hive queries parallelly by writing seperate mapreduce program?
Feb 20, 2019
mapreduce
hive
How to find optimal number of mappers when running Sqoop import and export?
Oct 23, 2022
oracle
hadoop
mapreduce
hdfs
sqoop
Hadoop MapReduce read the data set once for multiple jobs
Dec 08, 2018
performance
hadoop
io
mapreduce
reduce
Write to multiple outputs by key Scalding Hadoop, one MapReduce Job
Mar 26, 2022
scala
hadoop
mapreduce
cascading
scalding
How do I control output files name and content of an Hadoop streaming job?
Jan 11, 2019
hadoop
mapreduce
distributed-computing
How to delete temporary MapReduce collections in mongoDB
Mar 18, 2017
mongodb
mapreduce
document
temporary
Join operation with MongoDB MapReduce
Nov 25, 2019
mongodb
mapreduce
"merge" view collation into useful output in CouchDB
May 04, 2022
couchdb
mapreduce
reduce
Cassandra InvalidRequestException(why:[MyKeyspace][MyColumnFamily][6675...6c74] = [6c86......e65720] failed validation (String didn't validate.))
Feb 20, 2016
java
hadoop
mapreduce
cassandra
Identifying Duplicates in CouchDB
Jan 30, 2019
json
perl
couchdb
mapreduce
couchdb-futon
Same key different Reducers (HADOOP)?
Nov 18, 2022
java
hadoop
mapreduce
key-value
reduce
Pig: Force one mapper per input line/row
Jun 02, 2021
hadoop
mapreduce
apache-pig
Relationship between Hive and Hadoop MapReduce?
Aug 28, 2022
hadoop
hive
mapreduce
hdfs
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