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  • Get the current state of the system
What to get?How to get?Is there a Red flag? 
How long does it take for 2 min aggregator to finish?grep "TimelineMetricClusterAggregatorSecond" /var/log/ambari-metrics-collector/ambari-metrics-collector.log?  
How many metrics are being collected?
  • curl -K http://<ams-host>:6188/ws/v1/timeline/metrics/metadata -o /tmp/metrics_metadata.txt
  • Number of metrics is the output of the command 'grep -o "metricname" /tmp/metrics_metadata.txt | wc -l'

>15000 could be a problem. Find the component contributing maximum to the number of metrics d

Find the component contributing maximum to the numbe
What is the number of regions and store files in AMS HBase?

This can be got from AMS HBase Master UI.

http://<METRICS_COLLECTOR_HOST>:61310

How long does it take to aggregate

  
    
    
    




Advanced Configurations

ConfigurationPropertyDescriptionMinimum Recommended values (Host Count => MB)
ams-sitephoenix.query.maxGlobalMemoryPercentage

Percentage of total heap memory used by Phoenix

threads in the Metrics Collector API/Aggregator daemon.

20 - 30, based on available memory. Default = 25.
ams-sitephoenix.spool.directorySet directory for Phoenix spill files. (Client side)Set this to different disk from hbase.rootdir dir if possible.
ams-hbase-sitephoenix.spool.directorySet directory for Phoenix spill files. (Server side)Set this to different disk from hbase.rootdir dir if possible.
ams-hbase-sitephoenix.query.spoolThresholdBytes

Threshold size in bytes after which results from parallelly

executed query results are spooled to disk.

Set this to higher value based on available memory.

Default is 12 mb.