Questions tagged [streaminsight]

StreamInsight is a Complex Event Processing (CEP) product by Microsoft. It is meant to be run self-managed servers, in contrast to "Austin" which is the Azure-hosted version of the same product.

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How to debug a Process Query Operator Event dropped in StreamInsight

I have a Process deployed on a self-hosted MSSI server. Bound to this Process I have a simple Pass-through query. Some events gets dropped here…
Julien Pierre
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Modifying event times in StreamInsight

This is a follow up to my last question; the setting is that I am doing time-series prediction using StreamInsight. Expanding upon the description given there, let me denote by x_n my input stream, and for the sake of this example let's suppose…
Rohit Chatterjee
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create new event in output adapter streaminsight

I have the following problem in StreamInsight. I have a query where new tasks from an order came in and trigger an output adapter to make an prediction. The outputadapter writes the predicted task cycle time to a table (in Windows Azure). The…
Carlo
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SQL Triggers and streaminsight - any StreamInsight Guru's out there?

when data is entered into a table it fires a trigger which then copies it to a different table I want to use stream insight when this trigger is firing and copying the amended data to a different table. how can i get data into an input adapter from…
user8297
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continious output streaminsight

Is it possible to get a continuous output stream With streaminsight? My problem is that when I make a query on the inputstream with a hopping/tumbling window, the query doesnt give me any output when there are no input events. This sounds normal but…
Carlo
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Linq usage in StreamInsight

In StreamInsight, many samples address the linq usages of count, sum, filter of a stream. var cepStream = enumerable.ToPointStream(application, e => PointEvent.CreateInsert(new DateTimeOffset(e.TimeStamp, TimeSpan.Zero), e),…
Chris
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Reference to IQStreamable not found

I am new to StreamInSight development. I have downloaded few samples and now I am trying to compile them. I am getting error as "The type or namespace name 'IQStreamable' could not be found (are you missing a using directive or an assembly…
Omkar
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Stream Insight - Filter based on Type of Event

So I am fairly new to Stream Insight and this might be a fairly basic question but it seems that filtering queries by event type is not supported (see below) so how should this be done? To flesh out my question a bit, this is my CepStream... var…
Matt Austin
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Exception handling in StreamInsight 2.0

What's the best practice for handling exceptions in StreamInsight 2.0? When an exception occurs (I'm not talking about missing events but actual exceptions like NullReferenceException someware in the code) how do you handle it and safely bring the…
JohnDoDo
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StreamInsight Austin Sample Service Bus 404

I've been trying to create a sample application based on the Austin Sample. First I had a 404 with the sample, I fixed it by adapting the connectionString in the App.Config (I forgot that one, my bad). Now I've created a second sink which should…
hhoud
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Hopping Windows / SQL StreamInsight / from a table?

Maybe this can be done without StreamInsight, but I'm curious. I have an application that is populating a table with "messages" (inserts a row in the table). I want to create a monitoring application that monitors this table for the rate at which…
codeputer
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StreamInsight Performance Issue

I'm using StreamInsight 2.1 and running into unexpected performance problems. I have one input adapter of Financial Data coming in with anywhere from 5,000 to 10,000 events per second. I then have a large number of queries operating against that…
timothymcgrath
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Will TumblingWindow fire when there is no event?

StreamInsight TumblingWindow will it fire off if there's no event? All examples I have seen like the one here, always have an event inside each window:…
Alwyn
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StreamInsight Get Latest Event within a time frame

I want to consider the latest event based on the payload i.e StockTicksData id and ignore any duplicates within a time window Payload and Query var StockTicksData = new[] { new { Timestamp = new DateTime(2012, 5, 9, 1, 00, 01), Price = 100, ID =…
Sumit Kute
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Hopping Count Windows in StreamInsight

I am developing a StreamInsight application which is supposed to compute a function of every N inputs i.e. if N=10 then I want to compute: x_1, x_2, ..., x_10 ---> output_1 x_11, x_12, ..., x_20 ---> output_2 etc. So what I want is a Hopping…
Rohit Chatterjee
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