Ambari Reference Guide
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Memory Settings

Since AMS uses multiple components (such as HBase and Phoenix) for metrics storage and query, there are multiple tunable properties for tuning memory use. The following table lists each memory configuration.

Configuration Property Description
Advanced ams-env metrics_collector_heapsize Heap size configuration for the Collector.
Advanced ams-hbase-env hbase_regionserver_heapsize Heap size configuration for the single AMS HBase Region Server.
Advanced ams-hbase-env hbase_master_heapsize Heap size configuration for the single AMS HBase Master.
Advanced ams-hbase-env regionserver_xmn_size

Maximum value for the young generation heap size for the single AMS HBase RegionServer.

Advanced ams-hbase-env hbase_master_xmn_size Maximum value for the young generation heap size for the single AMS HBase Master.