5. General Guidelines
The operation mode, TTL, memory settings, and disk space requirements for AMS are dependent on the number of nodes in the cluster. The following table lists specific recommendations and tuning guidelines for each.
In Ambari Web, browse to Ambari Metrics > Configs, make the following changes, then restart the Collector.
| Cluster Environment | Host Count | Disk Space | Collector Mode | TTL | Memory 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 |