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Questions tagged [ibm-streams]

IBM Streams is an advanced analytic platform that allows user-developed applications to quickly ingest, analyze and correlate information as it arrives from thousands of data stream sources. The solution can handle very high data throughput rates, up to millions of events or messages per second.

IBM Streams is an advanced analytic platform that allows user-developed applications to quickly ingest, analyze and correlate information as it arrives from thousands of data stream sources. The solution can handle very high data throughput rates, up to millions of events or messages per second.

Source: https://web.archive.org/web/20170422152640/http://www-03.ibm.com/software/products/en/ibm-streams

27 questions
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Working with large files with a particular extension using directory scan operator

I have a 1GB+ size file coming to my directory from a MQ, this takes some time to completely transfer the file, but a file will be produced in that directory even if it is not a complete one. I am afraid my directoryScan operator will pick up an…
Ankit Sahay
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Video files are not opening for sample applications in Info Sphere Streams

I am new to IBM Info Sphere Streams, I read an article which says IBM Info Sphere streams is capable of doing Image processing. After some research I got to know that, we have to install OpenCV and FFMpeg lybraries with its dependecies. I have…
Pavan Kumar
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Working with TEDA 4.2 architecture.How to call LookUpCache operator in a loop?

Working with TEDA 4.2 architecture.How to call LookUpCache operator in a loop? I have input as a1;b1;c1|a2;b2;c2|a3;b3;c3 Now I want to use a1 , a2 and a3 as look up key and generate a tuple for each (as output). I have extracted a1,a2,a3 using…
shruti
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Automating Build Process of c++ code using RTC and jenkins

I would like to know if we can automate the build, whenever a developer deliver changes and send him the build report. I am looking for RTC commands which I can used in Jenkins. Till now, I am able to connect to RTC, load the stream and build…
Ravi Yadav
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Can an SPL function call submit()?

I'm trying to call submit() from an SPL function (that is called from a Custom operator), but it is not working. It complains about the name of my stream: submit({prop1=value1, prop2=value2}, MyStream); ERROR: An unknown identifier was referenced…
Mark Rajcok
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How can I change the properties of an Export stream at runtime?

The Dynamic application composition topic says that Properties can also be added, updated, or removed at runtime, and so can subscriptions. The compile-time properties and subscriptions just serve as initial settings. but it doesn't say how to do…
Mark Rajcok
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how could resolved "CDISP0092E ERROR: Because of previous compilation errors, the compile process cannot continue."?

I want to create a project in the Project explorer of the Streams studio (vmware workstation player.I have entered the project name and then I have created the "Filesink", "Filesource" and "Filter" in my project name, but when I save, I get this…
Assahi
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Is it possible to write in ORC format using hdfs2FileSink operator into HDFS in IBM infosphere streams or any other way?

Is it possible to write in ORC format using hdfs2FileSink operator in IBM infosphere streams NA
Gandhi Sree
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Can we use SPL time functions inside C++ operators?

I want to use toTimestamp function inside cpp.So I am accessing it like SPL::Functions::time::toTimestamp(Sys.YYYYMMDDhhmmss,date).Problem is that its unable to recognize 'Sys'. What library should I include?
shruti
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In SPL TEDA 4.2 , do we have limitation on number of input file types that can be included?

I am working on TEDA v2.0.1 and SPL v4.2 . When I am trying to add more than 18 different input file types , the job is compiled successfully but at runtime, it is going to status 'no' without any error in logs. I have faced this issue while…
shruti
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Error : fork() failed in code generation

I am developing one application for my client with IBM Streams v4.2 While compiling, I am getting the following error: /opt/ibm/InfoSphere_Streams/4.2.0.0/system/impl/bin/spl-code-gen-driver: CDISP0139E ERROR: The execution of the code generator…
shruti
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XML Parse operator throws error when working with large XML file in IBM Streams

XML Parse operator throws this error while working with large XML files: The following error occurred during XML parsing: internal error: Huge input lookup While documentation says this has been fixed in Streams 4.2.1.3 where we can add this…
Ankit Sahay
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IBM Streams export/import operation within the instance versus between two instances

How is an export/import operation different when it happens within the same instance as opposed to when it happens between two different instances. Is there a performance difference between a two?
Ankit Sahay
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JSON to Tuple operation in IBM Streams

Is there a way to convert a JSON string to a SPL tuple type without using JSONtoTuple Operator? I saw this documentation: https://developer.ibm.com/streamsdev/docs/introducing-the-json-toolkit/ where they have mentioned a native function for…
Ankit Sahay
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Setting IBM Streams instance properties and bringing that to effect without restarting the instance

I have to set some instance properties for working on consistent region projects. I set those properties, but they got reflected only when I restarted the instance, which obviously resulted in all the running jobs getting cancelled. I have 100s of…
Ankit Sahay
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