PCS PI Data provider metrics

PCS PI Data provider includes built-in metrics that allows you to measure the performance:

• System.RejectedAttributes

• System.LastScanMs

• System.LastScanUpdates

• System.MonitoredAttributes

• System.AttributeUpdatesRequests

• System.UpdatesRequestBatches

• System.AttributesUpdated

• System.AttributesRefreshed

• System.WritedValues

• System.WriteFails

• System.CPUUsage

• System.MemoryUsage

• System.StaticAttributes

• System.LastStaticReadMs

• System.Connected

• System.ConnectRetries

  The table below displays information related to performance metrics:

  Performance Test Case	CPU Usage	Memory Usage
  Subscribing 100 Attributes with starting index 101 at a time from one dashboard	0.82%	146 MB
  Subscribing 100 Attributes with starting index 300 at a time from one dashboard	0.78%	135 MB
  Subscribing 100 Attributes with starting index 650 at a time from one dashboard	1.20%	135 MB
  Subscribing 1000 Attributes with starting index 400 at a time from one dashboard	0.82%	138 MB
  Subscribing 1000 Attributes with starting index 1100 at a time from one dashboard	1.88%	135 MB
  Subscribing 1000 Attributes with starting index 1600 at a time from one dashboard	2.27%	137 MB
  Subscribing 1000 Attributes with starting index 1800 at a time from one dashboard	1.52%	133 MB
  Subscribing 100 Attributes with starting index 400 from a dashboard when 20 sessions of OMI desktop are running at a time	2.03%	139 MB
  Subscribing 100 Attributes with starting index 600 from a dashboard when 20 sessions of OMI desktop are running at a time	1.88%	142 MB
  Subscribing 100 Attributes with starting index 1000 from a dashboard when 20 sessions of OMI desktop are running at a time	1.91%	141 MB
  Subscribing 1000 Attributes with starting index 500 from a dashboard when 20 sessions of OMI desktop are running at a time	1.72%	140 MB
  Subscribing 1000 Attributes with starting index 900 from a dashboard when 20 sessions of OMI desktop are running at a time	1.41%	146 MB
  Subscribing 1000 Attributes with starting index 1100 from a dashboard when 20 sessions of OMI desktop are running at a time	1.13%	150 MB
  Subscribing 1000 Attributes with starting index 1600 from a dashboard when 20 sessions of OMI desktop are running at a time	1.21%	146 MB