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Questions tagged [wso2-cep]

251 questions
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WSO2 CEP high performace on same JVM

Following article explains about very high performance on WSO2 CEP on the same JVM. With CEP how can I start another java application (main class) that is running on same JVM. i.e if I start a java program with JAVA command it will run on a…
lsc
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WSO2 CEP performance

I have few questions related to WSO2 CEP performance. How many events can be process within a second? How many execution plans can be handle at one time without doing huge variation to the performance? What is the maximum number of receivers and…
Saveendra Ekanayake
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How can I get the UserAdmin service function list from wso2cep-4.1.0 with php and soap?

I'm trying to get the function list from UserAdmin admin service of wso2cep-4.1.0 with the following code:
Eugen Popescu
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WSO2 MB vs Apache Kafka

I've been working with both Apache Kafka plus WSO2 Message Broker in order to publish and consume messages using Topics. But then apart from changing the jndi properties in WSO2 MB, the configurations in integrating the WSO2 CEP looks to be the same…
Kulasangar
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MQTT connect to ActiveMQ TOPIC take lots of time in Event Receiver of WSO2 CEP

Update In the source code of MQTTAdapterListener of carbon-analytics-common project as this link The run() will sleep the thread and I believe that is the reason why the MQTT connection will take so long. @Override public void run() { while…
Bruce
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How to check WSO2 CEP is correctly configured with Apache storm for distributed processing

I am using latest WSO2 CEP (v4.1.0), and apache storm 0.9.6 for WSO2 CEP clustering in distributed manner (distributed mode deployment). I have followed the guidelines which was provided by WSO2 for CEP clustering. After following those guidelines…
Saveendra Ekanayake
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WSO2 CEP 3.1.0 + WSO2 MB 3.1.0 Integration (Stream Issue)

I've been following this sample of Using WSO2 MB as A JMS Broker for WSO2 CEP Server from the official WSO2 MB documentation. Since this doc doesn't support the latest version of CEP, tried integrating the MB with the CEP 3.1.0. According to the…
Kulasangar
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WSO2 CEP : java.lang.ArrayIndexOutOfBoundsException occurs on running sample

I am getting above exception while following Quick Start Guide of WSO2 CEP documentation. Console output is c:\wso2cep-4.0.0\samples\producers\http>ant -Durl=http://localhost:9763/endpoint s/httpReceiver -Dsn=0001 Buildfile:…
aneela
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WSO2 virtual machine image

I am looking for a CEP tool to start off with my project about monitoring real time network intrusion detection system's logs. I found about WSO2 but I didn't succeed in finding vm image having WSO2 installed and configured to download and practice.…
aneela
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Allen Temporal Operator Coincides in Siddhi

How can I define a Siddhi query to detect two events e1 and e2 with the following properties: e1 may occurs before or after e2. This means: abs( e1.timestamp - e2.timestamp ) <= 5s) In Drools we can use the Allen operator coincides: e1 coincides…
essafihm
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How to push/pull data from Wso2 DAS from another application

I am new to WSO2 DAS. I am analyzing WSO2 DAS for our new product. I have a confusion. Does the WSO2 DAS support push or pull data? I have created sample soap event receiver in WSO2 DAS with event sream that has simple type data. The event receiver…
ash
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How can I add custom input event receiver in wso2cep 4.0.0?

I'm trying to create a custom input event receiver based on wso2cep 4.0.0 documentation and the decompiled version of filetail input event receiver from…
Eugen Popescu
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How to generate .car files from artifact folder in WSO2CEP 4.0.0?

I've read this article https://docs.wso2.com/display/CEP400/Packaging+Artifacts+as+C-App+Archive#PackagingArtifactsasC-AppArchive-CreatingaC-App There is a structure in there, but there isn't any information on how to build the .car files. Perhaps…
Faruk
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WSO2 CEP Sequence and external time

I would like to improve my product and I would like to write a complex analyzer interface for it . I am using elasticsearch for storing logs, and more than 50 million logs are stored on daily basis . So the important thing would be that different…
user2641625
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How do I override SIddhi's default sequence and pattern matching functionality?

I'd like to write an extension to Siddhi that changes the way it finds event sequences and patterns, but I'm not sure which classes I should override/look into. Is anyone familiar enough with the source code to give me pointers? Is there an active…
Johnny
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