Apache Ambari Operations
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Customizing Cluster-Environment-Specific Settings

The Metrics Collector mode, TTL settings, memory settings, and disk space requirements for AMS depend on the number of nodes in the cluster. The following table lists specific recommendations and tuning guidelines for each.

Cluster EnvironmentHost CountDisk SpaceCollector ModeTTLMemory Settings

Single-Node Sandbox

1

2GB

embedded

Reduce TTLs to 7 Days

metrics_collector_heap_size=1024

hbase_regionserver_heapsize=512

hbase_master_heapsize=512

hbase_master_xmn_size=128

PoC

1-5

5GB

embedded

Reduce TTLs to 30 Days

metrics_collector_heap_size=1024

hbase_regionserver_heapsize=512

hbase_master_heapsize=512

hbase_master_xmn_size=128

Pre-Production

5-20

20GB

embedded

Reduce TTLs to 3 Months

metrics_collector_heap_size=1024

hbase_regionserver_heapsize=1024

hbase_master_heapsize=512

hbase_master_xmn_size=128

Production

20-50

50GB

embedded

n.a.

metrics_collector_heap_size=1024

hbase_regionserver_heapsize=1024

hbase_master_heapsize=512

hbase_master_xmn_size=128

Production

50-200

100GB

embedded

n.a.

metrics_collector_heap_size=2048

hbase_regionserver_heapsize=2048

hbase_master_heapsize=2048

hbase_master_xmn_size=256

Production

200-400

200GB

embedded

n.a.

metrics_collector_heap_size=2048

hbase_regionserver_heapsize=2048

hbase_master_heapsize=2048

hbase_master_xmn_size=512

Production

400-800

200GB

distributed

n.a.

metrics_collector_heap_size=8192

hbase_regionserver_heapsize=122288

hbase_master_heapsize=1024

hbase_master_xmn_size=1024

regionserver_xmn_size=1024

Production

800+

500GB

distributed

n.a.

metrics_collector_heap_size=12288

hbase_regionserver_heapsize=16384

hbase_master_heapsize=16384

hbase_master_xmn_size=2048

regionserver_xmn_size=1024