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PI Performance Monitoring
James Wong
OSI Software, Inc.
NT Performance Monitor
NT Performance Monitor
You can…Evaluate the load for specific resources.
Determine the source of performance problems.
Assess how best to allocate existing resources.
Observe how adjustments to resources affect performance
ExtensibleAdd your own performance counters
PI Performance Counters
Exposed in PI Data Archive Ver. 3.3
PI Performance Counter ObjectsPI Network Manager
PI SQL Subsystem
PI Base Subsystem
PI Update Manager
Etc …
PI Performance Counters
PI Network Manager CountersConnectionsBytes SentBytes ReceivedMessages SentMessages ReceivedOverflowSend ErrorsReceive Errors
PI Performance Counters
PI Snapshot Subsystem CountersSnapshots
Out Of Order Snapshots
Queued Events
Pending Posts
Total Posts
Complete Posts.
PI Performance Counters
PI Snapshot Subsystem CountersCompression Ratio:
Snapshots/Queued Events
% Post Rate:Complete Posts / Total Post *100%
Pending Posts: Max is 2
OutOfOrderSnapshots
PI Performance Counters
Archived Events
Cache Record Count
Cache Records Created
Cache Records Deleted
Cache Record Disk Reads
Cache Record Disk Writes
Cache Record Memory Reads
Primary Archive Number
Out of Order Events
Overflow Index Record
Overflow Data Record
Cache Clean Count
Cache Flush Count
Archive Shift (seconds)
PI Archive Subsystem Counters
PI Performance Counters
PI Archive Subsystem CountersCache Hit Rate:
Record Memory Reads/ Record Disk Reads
Out of Order Events:Check if increasing
NT Performance Monitor
PI System #1 PI System #2API Node
Generic Machine
PI Performance Monitor Interface
Obtain ALL counters exposed to NT Performance Monitor
obtain performance counters over the network
Store performance statistics into PI
PI Performance Monitoring
PI System #1 PI System #2API Node
Generic Machine
PI Performance Monitoring
PI System #1 PI System #2API Node
API Node with PI Performace Monitor Interface
Corporate PI System
Performance Monitor
PI ProcessBook
PI Performance Monitor Interface
Performance Counter Path
\\Machine\PerfObject(ParentInstance/ObjectInstance#InstanceIndex)\Counter
PI Perfmon Point Creator
PI Perfmon Point Creator
PI Perfmon Point Creator
Voilà!
PI Performance Monitor Interface
Basic interface bundled with PI Data Archive Ver. 3.3
Full version no point limit
run interface on any machine
obtain counters over the network
run multiple instances of the interface
Performance Monitor Interface
Let’s create a performance point …
PI Performance Monitoring
If you want a closer look come see it in the demo room this afternoon
