Apache Ambari Operations
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Customizing Memory Settings

Because AMS uses multiple components (such as Apache HBase and Apache Phoenix) for metrics storage and query, multiple tunable properties are available to you for tuning memory use:

ConfigurationPropertyDescription

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.