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EventFlowDebugger - Show System Time for events by DevBiker

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Type: Suggestion
ID: 765928
Opened: 10/3/2012 8:36:34 AM
Access Restriction: Public
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Workaround(s)
In the Event Flow Debugger, it is difficult to see exactly how events are merged and where latency is coming from. While the event temporal properties are shown, it doesn't show you where the event "passed" through the stream operator. This can make it difficult to understand where to tweak and optimize to minimize latencey
Details (expand)

Product Language

English

Category

StreamInsight

Proposed Solution

In the Event Flow Debugger, add a system time column for when the event "passed" through the stream operator.

Primary Benefit

Faster Development

Other Benefits

Better understanding of how events are flowing through the system.

Virtualization

 
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Posted by Microsoft on 5/6/2013 at 11:04 AM
Tracking system time is not only costly in terms of performance impact but also imprecise for certain query constructs. We have some DV counters which approximate these information:

QueryTotalConsumedEventLatency
QueryTotalProducedEventLatency
QueryTotalOutgoingEventLatency

http://msdn.microsoft.com/en-us/library/ee391166.aspx
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