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Advances, Systems and Applications

Journal of Cloud Computing Cover Image

Table 3 Hadoop cluster memory configurations

From: Source camera identification: a distributed computing approach using Hadoop

Configuration name Default value (MB) Details
yarn.scheduler.minimum-allocation-mb 32 Minimum resource allocation for every container.
yarn.scheduler.maximum-allocation-mb 11,520 Maximum resource allocation for every container
yarn.nodemanager.resource.memory-mb 11,520 Total amount of resource that can be allocated for the containers
mapreduce.map.memory.mb 1440 The amount of memory for each map task.
mapreduce.map.java.opts -Xmx1152m Maximum JVM heap memory for map task.
mapreduce.reduce.memory.mb 2880 The amount of memory for each reduce task.
mapreduce.reduce.java.opts -Xmx2304m Maximum JVM heap memory for reduce task.
yarn.app.mapreduce.am.resource.mb 2880 The memory allocation for MapReduce Application Master.