Seems WSO2 are working on a new product called process center. Is it a new product to replace BPS?
I am working on bps3.2, and should I switch to process center?
If switch to process center, how do I migrate my work, including bpel process and human task?
WSO2 BPS and WSO2 PC (Process center) are two separate products and will be used in separate phases of business process life cycle. For example BPS handles execution of business processes (runtime), while PC more focused on creating,managing,searching and analytic of business processes.
There was a talk on PC during recent wso2con.
https://youtu.be/sWIAeNR59YE
You can download WSO2 PC M1 from following site.
http://wso2.com/products/process-center/
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We have developed a custom JAX-WS application that essentially achieves two things.
Exposes a few web service methods to perform some functionality.
Utilizes org.quartz.Scheduler to schedule and execute some polling tasks that monitors and processes data on a few database tables. (The logic here is slightly complex, hence a custom application was chosen over the use of WSO2 DSS)
This application is uploaded on WSO2 AS 5.2.1 and runs quite seamlessly. However, I'm unsure what will happen if we have to cluster the AS application server. Logically, I would think that each node will have its own instance of the custom application running within it, and hence its own scheduler. Would this not increase the risk of processing the same record, across both instances. Is my interpretation of the above scenario correct, from a clustering perspective?
Yes.You are correct.In cluster of app server nodes each nodes will have its own instance of the application.In your case each node will have seperate scheduler.You may consider using tasks from ESB 4.9.0. there WSO2 has added coordination support to work in cluster environment.
I am new with wso2 products. I am using EMM for device and app. But i want to monitor my devices continuously.
As some document suggest, i can done this using CEP in real time and also can use BAM. But i did not found any proper document to install or configure these system together (EMM, CEP, BAM).
My EMM server is already live. I am now tring to analysis the http access log to find out registration failed or other error.
But I actually need to monitor the EMM server in real time.
Do I need to run these servers separately and also have to configure them separately? Is there any way to merge all(EMM,CEP,BAM and even ESS) application and run all of them by running one carbon server?
If I need to run these server separately, then how I can configure CEP/BAM as this will monitor EMM server's API/log files/services etc?
Is there documentation for this? I can not find any document related to CEP/BAM related to EMM.
Can any one please help me for this?
WSO2 BAM product has been replaced by WSO2 DAS (Data Analytics Server). Again WSO2 DAS consist with WSO2 CEP features where as it is capable of doing both real time and batch time processing. Therefore you can DAS for both batch processing and real time processing
Both DAS and CEP deals with event streams where as in DAS streams could be persisted to event tables as data needs to be stored for batch processing [2]. On the other hand both can be integrated with other applications by using Receivers for streams. You can protocols such as thrift, soap, http, mqtt, jms and kafka when creating receivers[3]
For real time processing you need to write Execution Plans [4] which uses Siddhi Query Language [5]. DAS supports Apache spark for batch processing. Both products consist with Analytic dashboard which could be used to visualize real time and persistent data [6].
[1] http://wso2.com/products/data-analytics-server/
[2] https://docs.wso2.com/display/DAS300/Understanding+Event+Streams+and+Event+Tables
[3] https://docs.wso2.com/display/DAS300/Configuring+Event+Receivers
[4] https://docs.wso2.com/display/CEP400/Creating+a+Standalone+Execution+Plan
[5] https://docs.wso2.com/display/CEP400/SiddhiQL+Guide+3.0
[6] https://docs.wso2.com/display/DAS300/Analytics+Dashboard
Yes its possible. You will need to use a data publisher to publish events to DAS.
I am wondering if I can use BAM and CEP to monitor requests from client, and even find the bottleneck of the service.
I found zipkin, a project that could do this, but the base of my application is WSO2, I don't want to get other projects from scratch.
Yes, you can use BAM/CEP for this. If you need real time monitoring you can use CEP and you can use BAM for batch process. From BAM 2.4.0 onwards, CEP features have been added inside BAM also hence you can use BAM and do real time analytics.
What type of services are involved with your scenario? Depends on this you can use already existing data publisher or write new data publisher for BAM/CEP to publish your request details. For example if you are having chain of axis2 webservice calls for a request from client, and you want to monitor where the bottle neck/more time consumed, then you may use the service stats publishing, and monitor the average time take to process the message which will help you to see where the actual delay has been introduced. For this you can use existing service statistics publisher feature. Also BAM will allow you to create your own dashboard to visualize, hence you can customize the dashboard.
Also with BAM 2.4.0 we have introduced notifications feature also which you can define some threshold value and configure to send notification if that cross that threshold value.
I'm very new at WSO2 stack and wonder when I should use WSO2 ESB proxy service and when – create business process via BPEL?
I think they are doing the same thing – performing a task via services composition and some mediation.
There is a fundamental difference between ESB and BPEL.
The role of ESB is to provide various non-functional properties to the business requests. ESB is thus used for e.g. mediation, transformation, security and virtualization/proxying of the requests. While it can do some simple message-enrichment using sequence diagrams, its primary purpose is to mediate messages between various services/hosts in the system.
On the other hand, BPEL is dedicated to implement business services and handle complex business workloads. Therefore, the role of the BPEL is to provide the functional properties to the business process- e.g. implementing the actual business process logic.
ESB and BPEL thus together deliver the separation-of-concerns which is often emphasized by component and service-oriented architectures.
If you have a well defined long running Business process you need to use WSO2 BPS. You can use WSO2 ESB for short spanning process with a shorter life cycle. WSO2 BPS has many integration points that you can control the Business process with features such as Human Tasks. On the other hand ESB has the capabilities but it may not be convenient and optimized as BPS for the long running well defined business processes.
I am just wondering when is WSO2 planning on supporting BPMN 2.0 in the process engine?
I would expect this to be a priority because its a better standards base than BPEL on which to build business processes.
Would this be either a replacement/alternative for or alongside the BPEL process engine ?
Regards
Steve
Support for BPMN 2.0 is already in the roadmap.
BPEL and BPMN, both for describing and executing business processes, you have the freedom of choosing which notation is to use.
BPEL is well suited to model some kinds of processes and BPMN is well suited to model other kinds of processes, or sometimes you can mix and match within a single composite.
WSO2 BPS executes business processes written using WS-BPEL 2.0, BPEL4WS 1.1 and also it has support for workflows with human interaction (WS-Human Task 1.1, BPEL4People 1.1).
For more information http://docs.wso2.org/wiki/display/BPS300/BPS+Features
Thanks
Thilini
I come across a documentation about the future release of WSO2 Business Process Server 3.5.0 which is the successor of the current released version(3.2.0).
It says that the BPMN support comes with 3.5.0: https://docs.wso2.com/display/BPS350/About+this+Release
It seems that they integrated activiti business process engine with WSO2 BPS: https://docs.wso2.com/display/BPS350/Managing+BPMN