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PI Performance Monitoring
James Wong
OSI Software, Inc.
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NT Performance Monitor
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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
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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 …
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PI Performance Counters
PI Network Manager CountersConnectionsBytes SentBytes ReceivedMessages SentMessages ReceivedOverflowSend ErrorsReceive Errors
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PI Performance Counters
PI Snapshot Subsystem CountersSnapshots
Out Of Order Snapshots
Queued Events
Pending Posts
Total Posts
Complete Posts.
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PI Performance Counters
PI Snapshot Subsystem CountersCompression Ratio:
Snapshots/Queued Events
% Post Rate:Complete Posts / Total Post *100%
Pending Posts: Max is 2
OutOfOrderSnapshots
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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
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PI Performance Counters
PI Archive Subsystem CountersCache Hit Rate:
Record Memory Reads/ Record Disk Reads
Out of Order Events:Check if increasing
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NT Performance Monitor
PI System #1 PI System #2API Node
Generic Machine
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PI Performance Monitor Interface
Obtain ALL counters exposed to NT Performance Monitor
obtain performance counters over the network
Store performance statistics into PI
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PI Performance Monitoring
PI System #1 PI System #2API Node
Generic Machine
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PI Performance Monitoring
PI System #1 PI System #2API Node
API Node with PI Performace Monitor Interface
Corporate PI System
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Performance Monitor
PI ProcessBook
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PI Performance Monitor Interface
Performance Counter Path
\\Machine\PerfObject(ParentInstance/ObjectInstance#InstanceIndex)\Counter
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PI Perfmon Point Creator
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PI Perfmon Point Creator
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PI Perfmon Point Creator
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Voilà!
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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
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Performance Monitor Interface
Let’s create a performance point …
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PI Performance Monitoring
If you want a closer look come see it in the demo room this afternoon