What is the relation between 'mapreduce.map.memory.mb' and 'mapred.map.child.java.opts' in Apache Hadoop YARN?

What is the relation between 'mapreduce.map.memory.mb' and 'mapred.map.child.java.opts' in Apache Hadoop YARN?

apache hadoop configuration hadoop-yarn heap-size

hadoop

How to stop/kill Airflow tasks from the UI

python apache hadoop airflow apache-airflow

hadoop

hadoop.mapred vs hadoop.mapreduce?

apache hadoop mapreduce

hadoop

java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient

apache hadoop hive

hadoop

What is the advantage of storing schema in avro?

java apache hadoop solr avro

hadoop

Checksum Exception when reading from or copying to hdfs in apache hadoop

apache hadoop mapreduce

hadoop

Could not find or load main class org.apache.hadoop.util.VersionInfo

java linux apache ubuntu hadoop

hadoop

Failed to start namenode in hadoop?

java apache hadoop

hadoop

.NET and Hadoop - What should I know / learn and what is available? [closed]

.net apache linq hadoop

hadoop

Why 'mapred-site.xml' is not included in the latest Hadoop 2.2.0?

apache hadoop mapreduce bigdata

hadoop

Classify data using Apache Mahout

apache machine-learning hadoop mahout

hadoop

Getting existing mapreduce job from cluster (the job could be running or completed)

java apache hadoop mapreduce

hadoop

HBase multiple column families performance

apache hadoop hbase nosql

hadoop

build hadoop 2.2 on windows

apache maven hadoop mapreduce cygwin

hadoop

How to instantiate FSDataInputStream with raw InputStream?

spring apache hadoop

hadoop