Re: [Architecture] [VOTE] Release of WSO2 Stream Processor 4.4.0 RC5

Closing the vote since we have found some corrupted artifacts in the distribution. RC6 vote is called due to this. Thanks, Mohan On Tue, May 14, 2019 at 12:53 PM Ramindu De Silva wrote: > Hi all, > > WSO2 Stream Processor team is pleased to announce the fifth release > candidate of WSO2

Re: [Architecture] [VOTE] Release of WSO2 Stream Processor 4.4.0 RC3

HI All, We have found some issues in our testing cycle hence closing off the vote and will be doing another RC release. Thanks, Mohan On Thu, Apr 25, 2019 at 12:02 PM Minudika Malshan wrote: > Hi all, > > > WSO2 Stream Processor team is pleased to announce the third release candidate > of

[Architecture] [VOTE] Release of WSO2 Stream Processor 4.4.0 RC2

Hi All, WSO2 Stream Processor team is pleased to announce the second release candidate of WSO2 Stream Processor 4.4.0. WSO2 Stream Processor is an open source embodiment of the WSO2 Analytics platform, of which the real-time, incremental & intelligent data processing capabilities let digital

Re: [Architecture] Cassandra Table Extension implementations

On Tue, Jan 16, 2018 at 10:02 AM, Tharindu Jayathilake wrote: > Hi All, > We are implementing a Cassandra table extension that enables the Siddhi > developers to persist events in Cassandra stores. > > Following operations are capable through this extension. > 1. Define a

Re: [Architecture] Secure MQTT Receiver for DAS

On Sat, Dec 16, 2017 at 11:42 PM, Rasika Perera wrote: > Hi Kalai and All, > > As Sumedha mentioned you can refer, OAuth Protected MQTT extension in [1] > for the IoT Server as well. > > If I understand you correctly, you are going to use DAS's carbon.xml > values as the

Re: [Architecture] Securing Stream Processor API through OAuth2

On Mon, Oct 30, 2017 at 12:50 PM, Damith Wickramasinghe wrote: > Hi Niveathika, > > Are we securing event simulator apis as well ? > We have to secure that as well. IMO, all the core APIs need to be secured. Thanks, Mohan > > Regards, > Damith > > On Mon, Oct 30, 2017 at

Re: [Architecture] tenant specific MQTT receivers in DAS , not listening to topics once tenant get unloaded

Yes, I had a chat with Jasintha on this as well. In this case, we have a topic for each tenant since there are some permission and authorizations involved with each tenant. Then we need to connect to multiple topics to consume events from multiple tenants. This means we need to maintain multiple

Re: [Architecture] Adding reusable PDF table generator OSGI component to IS 6.0.0 Analytics

I believe it is a non-carbon component then it needs to go shared-analytics. If it is a carbon component, then it needs to go carbon-analytics-common. Thanks, Mohan On Tue, Feb 7, 2017 at 4:02 PM, Danoja Dias wrote: > Hi All, > > We decided to write a reusable OSGI component

Re: [Architecture] [Dev] [APIM] Problem with integrating Event Stream OSGi Service

On Thu, Aug 25, 2016 at 11:33 AM, Malintha Amarasinghe <malint...@wso2.com> wrote: > Hi, > > On Wed, Aug 24, 2016 at 11:02 AM, Mohanadarshan Vivekanandalingam < > mo...@wso2.com> wrote: > >> HI Malintha/Nuwan, >> >> I have few q

Re: [Architecture] [Dev] [APIM] Problem with integrating Event Stream OSGi Service

HI Malintha/Nuwan, I have few queries and like to provide few clarifications on this.. Actually most of the points that you guys raised are discussed before and changed based on some experiences.. - Defining stream from client side : We had this in old datapublisher component and removed due

Re: [Architecture] [Dev] [IS] [Analytics] Improvement to use Siddhi streams to send notifications

ck chat if that help.. Thanks, Mohan > > Regards > Suho > > On Thu, Aug 11, 2016 at 4:42 PM, Mohanadarshan Vivekanandalingam < > mo...@wso2.com> wrote: > >> >> >> On Thu, Aug 11, 2016 at 11:32 AM, Indunil Upeksha Rathnayake < >> indu...@wso2.com

Re: [Architecture] [Dev] [IS] [Analytics] Improvement to use Siddhi streams to send notifications

s/identity-event- > handler-notification/pull/26/files#diff-2200b351eeef81ebbb5ea7f0d1f1ec > b7R119 > > Thanks and Regards > > On Tue, Aug 9, 2016 at 9:50 PM, Sriskandarajah Suhothayan <s...@wso2.com> > wrote: > >> Based on the chat with Johann he sugge

Re: [Architecture] [Arch] Adding CEP and ML samples to DAS distribution in a consistent way

ose that freedom. > > Above are minor problems. But bit inconvenient for end users. > > Regards, > Gihan > > On Mon, Aug 1, 2016 at 4:32 PM, Mohanadarshan Vivekanandalingam < > mo...@wso2.com> wrote: > >> >> >> On Mon, Aug 1, 2016 at 4:02 PM, Ni

Re: [Architecture] [Dev] [IS] [Analytics] Improvement to use Siddhi streams to send notifications

On Mon, Aug 1, 2016 at 8:38 PM, Indunil Upeksha Rathnayake wrote: > Hi Suhothayan, > > Hi Indunil, I like to add some comments on this.. Please find them below.. > There was an issue in EventPublisherServiceDS where > setConfigurationContextService() method get invoked

Re: [Architecture] [Arch] Adding CEP and ML samples to DAS distribution in a consistent way

On Mon, Aug 1, 2016 at 4:02 PM, Niranda Perera wrote: > Hi all, > > At the moment we are maintaining samples of DAS, CEP and ML in their own > product repos. Since, DAS integrates both CEP and ML, we need to send these > samples with DAS. > > Currently we do so for ML samples,

Re: [Architecture] RabbitMQ Input Adopter in CEP

gards, >>> Yashothara.S >>> Software Engineer >>> WSO2 >>> http://wso2.com >>> >>> On Thu, Jul 7, 2016 at 5:04 PM, Sriskandarajah Suhothayan <s...@wso2.com >>> > wrote: >>> >>>> @Yashothara >>>> >>>>

Re: [Architecture] Caching Real time analytics data

Hi Guys, Sorry.. I don't think that we need to fix this in UI publisher level.. In CEP perspective, what we already have is the correct approach.. IMO, we are trying to solve this issue in a wrong place (which is UI publisher).. Had a offline chat with Tharik on this, he is suggested that we can

Re: [Architecture] Monitor Logged In Users/Sessions

--Srinath > > --Srinath > > On Tue, Jun 28, 2016 at 10:40 AM, Mohanadarshan Vivekanandalingam < > mo...@wso2.com> wrote: > >> >> >> On Tue, Jun 28, 2016 at 10:23 AM, Mohanadarshan Vivekanandalingam < >> mo...@wso2.com> wrote: >> >

Re: [Architecture] Monitor Logged In Users/Sessions

On Tue, Jun 28, 2016 at 10:23 AM, Mohanadarshan Vivekanandalingam < mo...@wso2.com> wrote: > Hi Srinath, > > Above mentioned scenarios are not handled in the initial version of > session related analytics (and not in our future list as well).. The > scenarios that we are c

Re: [Architecture] Monitor Logged In Users/Sessions

Hi Srinath, Above mentioned scenarios are not handled in the initial version of session related analytics (and not in our future list as well).. The scenarios that we are covering are mentioned in [1].. We are looking at overall session analytics and not focusing on user specific sessions or

Re: [Architecture] IS-Analytics performance

gt; On 27 Jun 2016 16:48, "Iranga Muthuthanthri" <ira...@wso2.com> wrote: > >> >> >> On Mon, Jun 27, 2016 at 4:35 PM, Mohanadarshan Vivekanandalingam < >> mo...@wso2.com> wrote: >> >>> >>> >>> On Mon, Jun 27, 2016

Re: [Architecture] IS-Analytics performance

On Mon, Jun 27, 2016 at 4:30 PM, Seshika Fernando wrote: > Hey saith, > > This is great. So when you removed the duplicate windows, there were no > OOM issues? > Yes, we have introduced per-second windows and eventually per-minute event count get reduced. Then, there will not

Re: [Architecture] Caching Support for Analytics Event Tables

On Mon, Jun 20, 2016 at 8:17 PM, Sriskandarajah Suhothayan wrote: > Is this in line with the RDBMS implementation? Else it will be confusing > to the users. > Shall we have a chat and merge the caching code? > Yes, let's have a chat.. > > @Mohan can you work with Anjana >

Re: [Architecture] Incremental Processing Support in DAS

Hi Inosh, Thanks for the fix.. We have incorporated this to analytics-is.. Regards, Mohan On Tue, Jun 14, 2016 at 7:33 PM, Inosh Goonewardena wrote: > Hi All, > > We made a modification to incremental data processing syntax and > implementation in order to avoid

Re: [Architecture] [Analytics] Using UTC across all temporal analytics functions

+1, yes... We can extend Siddhi Time functions to allow timezone as a parameter.. Will do that.. On Mon, Jun 13, 2016 at 7:13 PM, Ruwan Abeykoon wrote: > Hi All, > +1 on storing time in UTC. > > However this will cause some minor (but annoying) discrepancies to occur > when

Re: [Architecture] Data Bridge Agent Publisher for C5 products

On Thu, Jun 2, 2016 at 9:43 PM, Isuru Perera wrote: > Hi Suho, > > In Metrics, I have written the DAS Reporter using the data publisher. Do > you think I should change the implementation to use an HTTP client? > We don't need to change from Thrift to HTTP, rather we need to

Re: [Architecture] [PET][CEP] Siddhi Extension for Unit Conversion

s/frinkdocs/ > > [3] - http://jscience.org/api/javax/measure/unit/package-summary.html, > http://jscience.org/ > > [4] - > http://stackoverflow.com/questions/6474658/unit-of-measurement-api-in-java > > On Tue, May 31, 2016 at 11:57 PM, Mohanadarshan Vivekanandalingam <

Re: [Architecture] [PET][CEP] Siddhi Extension for Unit Conversion

On Tue, May 31, 2016 at 11:15 AM, Hariprasath Thanarajah < haripras...@wso2.com> wrote: > Hi All, > > I have planned to develop $Subject using JSR-000363 Units of Measurement > API [1]. Hope this is the best choice for creating the Unit conversion [2]. > If you have any suggestions please add in

Re: [Architecture] [PET] [CEP] File Writer for CEP

On Tue, May 31, 2016 at 10:38 AM, Malaka Silva wrote: > Is the scope should only cover local file system? Then IMO this should be > the optimum way. > +1 . Yes, covering local file system should be enough here.. Thanks, Mohan > > On Tue, May 31, 2016 at 10:25 AM, Rajjaz

Re: [Architecture] [PET] CEP Extension for Unique window - Length, Time

On Mon, May 30, 2016 at 10:49 PM, Imesh Gunaratne wrote: > Hi Yashothara, > > On Mon, May 30, 2016 at 2:08 PM, Yashothara Shanmugarajah < > yashoth...@wso2.com> wrote: >> >> >> But now my task is add two parameters time and length * unique >> (attribute, length) and ** unique

Re: [Architecture] [PET] CEP Extension for Unique window - Length, Time

On Mon, May 30, 2016 at 2:08 PM, Yashothara Shanmugarajah < yashoth...@wso2.com> wrote: > ​Hi All, > > I have planned to develop Custom Window CEP extension for Unique window > with specifying length and time parameter for this. Already siddhi > extension has feature for getting the latest events

Re: [Architecture] [Dev] Why APIM don't impose any permission for deleting an API

[adding dev] On Fri, May 20, 2016 at 9:48 PM, Abimaran Kugathasan wrote: > Hi All, > > API Manager has permissions for Create, Publish and Subscribe an API. Why > API Manager don't check any permission for deleting an API? > > A user can create an API, another one varified

Re: [Architecture] Adding arbitrary mapping in siddhi / execution plan validation

Yes.. +1.. On Tue, May 17, 2016 at 2:48 PM, Sajith Perera wrote: > +1,Yes this can be done, as we can read the annotation keys and values. > > On Tue, May 17, 2016 at 2:42 PM, Sriskandarajah Suhothayan > wrote: > >> How about >> >> @Import('loganalyzer:1.0.0',

Re: [Architecture] CEP does not accept requests after receiving a high rate of events for some time

> > Hi, > > Hi Isuru, Please find my comments below.. > This is regarding the analytics for US Election 2016 Tweets. The ESB uses > Twitter Connector to find tweets with some specific hashtags and sends the > tweets as events to CEP via HTTP. The CEP version is 4.0.0. > > The CEP receives the

Re: [Architecture] Extending execution manager to support Batch analytics scripts

I think we need to consider few things here to find a better approach.. - Since we are planning to use same Execution manager for CEP then we need to maintain clear separation between realtime and batch part of it.. That means, we need two different components for this.. - We have an single UI

[Architecture] [DEV] WSO2 Complex Event Processor 4.1.0 Beta Released

Hi All, WSO2 CEP Team is pleased to announce the Beta release of WSO2 Complex Event Processor 4.1.0. WSO2 Complex Event Processor (CEP) can be used to identify the most meaningful events within an event cloud, analyzes their impacts, and acts on them in real time. Built to be extremely high

[Architecture] [DEV] WSO2 Complex Event Processor 4.1.0 Alpha Released

Hi All, WSO2 CEP Team is pleased to announce the Alpha release of WSO2 Complex Event Processor 4.1.0. WSO2 Complex Event Processor (CEP) can be used to identify the most meaningful events within an event cloud, analyzes their impacts, and acts on them in real time. Built to be extremely high

Re: [Architecture] Nominal attributes in Siddhi

On Fri, Feb 27, 2015 at 7:26 AM, Srinath Perera srin...@wso2.com wrote: Mohan, could you check when you can? Sure, will do.. Thanks, Mohan On Fri, Feb 27, 2015 at 6:46 AM, Ginnaliya Gamathige, Lahiru Manananda lginn...@indiana.edu wrote: Hi Srinath, I have wrapped up the

Re: [Architecture] Folder structure of Analytics Toolbox (BAM CEP)

On Thu, Oct 30, 2014 at 8:30 PM, Sriskandarajah Suhothayan s...@wso2.com wrote: Hi The current folder structure[1] does not extend clearly for CEP integration and hence we have to decide on the new folder structure of the Analytics Toolbox. shall we have inputs - adaptors - builders

Re: [Architecture] ESB Connector for BAM CEP

Hi All, We had a discussion sometime back (last year) on this.. Please check the mail thread [1] for more info.. [1] [Architecture] Improving Data Publisher Mediator to replace BAM Mediator Thanks, Mohan On Mon, Oct 20, 2014 at 12:55 PM, Anjana Fernando anj...@wso2.com wrote: Hi Sanjiva,

Re: [Architecture] Fwd: Kafka transport for WSO2 ESB

Hi Ishara, I believe you have gone through the Kafka documentation. AFAIK, to consume events from kafka we communicate with zookeeper and to publish events we dealt with brokers. Here ESB connector does both consuming and publishing right ? .Then kafka connector needs to connect with zookeeper to

Re: [Architecture] [Dev] Java 1.7 support for github repo

/web-socket-howto.html On Fri, Jul 4, 2014 at 3:06 PM, Afkham Azeez az...@wso2.com wrote: +1. Don't unnecessarily bring in Jetty. On Fri, Jul 4, 2014 at 2:49 PM, Sagara Gunathunga sag...@wso2.com wrote: On Fri, Jul 4, 2014 at 2:40 PM, Mohanadarshan Vivekanandalingam mo...@wso2.com

[Architecture] Java 1.7 support for github repo

Hi All, Are we planning to do $subject.. ? In CEP, we have developed an adptor which supports for websocket. Here we are using latest jetty version which only supports Java 1.7 according to [1].. But since we have configured jenkins only with java 1.6, this components is getting failed. Is it

[Architecture] [Dev] WSO2 Complex Event Processor 4.0.0-M1 Released

*WSO2 Complex Event Processor 4.0.0-M1 Released!* WSO2 CEP Team is pleased to announce the release of WSO2 Complex Event Processor (Version - 4.0.0 Milestone 1 ) The Milestone-1 pack is available at [1] Please follow the documentation for more info (which is working in progress) in [2]

Re: [Architecture] Using Siddhi Event processor to implement/evaluate some clustering algorithms

send proper patch for that. Will commit these improvements once i got the patch for CEP877. Thanks, Mohan On Mon, Jun 30, 2014 at 10:27 AM, Mohanadarshan Vivekanandalingam mo...@wso2.com wrote: On Sat, Jun 28, 2014 at 2:22 PM, Lahiru Gunathilake lginn...@indiana.edu wrote: Hi Mohan, I

Re: [Architecture] Using Siddhi Event processor to implement/evaluate some clustering algorithms

, 2014 at 10:52 AM, Mohanadarshan Vivekanandalingam mo...@wso2.com wrote: On Fri, Jun 27, 2014 at 10:00 AM, Lahiru Gunathilake lginn...@indiana.edu wrote: Hi Mohan, Hi Lahiru, I wrote some samples but I can write more test-cases and provide another patch. Please feel free to change

Re: [Architecture] Using Siddhi Event processor to implement/evaluate some clustering algorithms

On Fri, Jun 27, 2014 at 9:05 AM, Srinath Perera srin...@wso2.com wrote: Hi All, Lahiru and myself had a call today morning. Plan is to 1) Lahiru to look at hoeffding tree and other classification algorithms and select one to implement. He will compare the performance against MOA or some

Re: [Architecture] Using Siddhi Event processor to implement/evaluate some clustering algorithms

On Fri, Jun 27, 2014 at 10:00 AM, Lahiru Gunathilake lginn...@indiana.edu wrote: Hi Mohan, Hi Lahiru, I wrote some samples but I can write more test-cases and provide another patch. Please feel free to change the naming of the windows as you like. Really appreciate your contribution..

Re: [Architecture] Changing the representation of streamId in BAM CEP

, Mohan --Srinath On Wed, Jan 22, 2014 at 6:10 PM, Mohanadarshan Vivekanandalingam mo...@wso2.com wrote: Hi All, As you already knew that CEP BAM works based on stream concept. We are defining the streams in a strict format. Here streams are uniquely identified by combination

Re: [Architecture] CEP UI re-factoring and adding much more functionality

copy and send them via curl,JMS, etc.. Suho Thanks, Lasantha On 21 January 2014 19:43, Mohanadarshan Vivekanandalingam mo...@wso2.com wrote: Hi All, As you already knew that we have done major improvements and changes in CEP 3.0.0 (which is a complete re-write) specially in UI

[Architecture] Changing the representation of streamId in BAM CEP

Hi All, As you already knew that CEP BAM works based on stream concept. We are defining the streams in a strict format. Here streams are uniquely identified by combination of StreamName and Stream Version (Simply StreamId). If an event comes to CEP or BAM, we check the streamId of the event and

Re: [Architecture] Should we have one place to define event streams?

Hi All, I like to add some more information in to this.. On Mon, Jan 20, 2014 at 6:12 PM, Sinthuja Ragendran sinth...@wso2.comwrote: Hi, On Mon, Jan 20, 2014 at 5:36 PM, Maninda Edirisooriya mani...@wso2.comwrote: Already BAM can create streams with REST API. To facilitate further for a

Re: [Architecture] HTTP Input Event Adaptor For CEP

, Paul Fremantle p...@wso2.com wrote: How does this relate to the work that Kasun did with his non-blocking HTTP input adapter for CEP? Paul On 16 January 2014 14:39, Mohanadarshan Vivekanandalingam mo...@wso2.com wrote: Hi All, We have started working on implementing HTTP input event

Re: [Architecture] Due Nov. 19 CEP 3.0/BAM 2.4 Release Answers

Hi Daya, Great work.. :) Happy to hear that CEP 3.0.0 improved than 2.1.0.. We can do better analysis in future.. Thanks Regards, Mohan -- *V. Mohanadarshan* *Software Engineer,* *Data Technologies Team,* *WSO2, Inc. http://wso2.com http://wso2.com * *lean.enterprise.middleware.* email:

Re: [Architecture] DevS CEP Plugin

Hi Suho, On Thu, Nov 14, 2013 at 8:40 PM, Sriskandarajah Suhothayan s...@wso2.comwrote: On Thu, Nov 14, 2013 at 2:07 AM, Harshana Martin harsh...@wso2.comwrote: Hi All, Please see my comments inline. I think we will also need to go for CEP 3.0.1 release with this plugin, because

Re: [Architecture] DevS CEP Plugin

Hi Suho, Please find my comments below as per my understanding. On Thu, Nov 14, 2013 at 11:43 AM, Sriskandarajah Suhothayan s...@wso2.comwrote: Hi all, As we are planing to go for the CEP 3.0.0 plugin, I think we have to focus more on the its GUI and the usability aspects of it. CEP has

Re: [Architecture] [CEP] TryIt like feature to test Siddhi queries

Hi Nirmal, On Fri, Sep 27, 2013 at 2:02 PM, Nirmal Fernando nir...@wso2.com wrote: Hi All, Currently there's no easy way to test Siddhi queries. What about having a $subject? Of course, when designing this feature one needs to think about how a sample event stream be used etc. +1, I am

Re: [Architecture] Improving Usability of CEP 3.0

Hi, First of all, Thanks for giving some good feedback in user perspective. I am sharing my thoughts in my point of view.. Please correct me if i'm wrong.. On Fri, Sep 27, 2013 at 12:48 PM, Srinath Perera srin...@wso2.com wrote: Playing with CEP 3.0, i feel we have taken backward step in terms

[Architecture] Moving out the FIX Transport from Synapse

At the moment there are two types of implementations available for FIX transport. 1) FIX transport which is in the synapse level that used by ESB 2) Basic FIX transport broker(not released) implementation in CEP But based on the discussion that we made few months ago, It is not good to have two

Re: [Architecture] Moving out the FIX Transport from Synapse

, who is it supposed to be used by ESB? On Wed, Jul 17, 2013 at 9:09 PM, Mohanadarshan Vivekanandalingam mo...@wso2.com wrote: At the moment there are two types of implementations available for FIX transport. 1) FIX transport which is in the synapse level that used by ESB 2) Basic FIX

[Architecture] [Dev] WSO2 CEP 3.0.0 Milestone 2 Released!

*WSO2 Complex Event Processor 3.0.0 Milestone 2 Released!* Date :5th July 2013 This milestone is available at : https://svn.wso2.org/repos/wso2/people/suho/packs/cep/3.0.0/wso2cep-3.0.0-M2.zip To run the samples please follow the read-me, wso2cep-3.0.0/samples/cep-samples/ReadMe.txt Following

Re: [Architecture] CEP 3.0 towards a Complete eventing solution to the platform

on EventBuilder, EventProcessor EventFormatter at the moment.. [1] https://docs.google.com/a/wso2.com/presentation/d/1cto7wBG1y5KfeJqGFgp2FlqUeZz-VcdU30Tvmdwhlpo/edit?usp=sharing Thanks, Mohan On Fri, May 10, 2013 at 3:02 PM, Mohanadarshan Vivekanandalingam mo...@wso2.com wrote: Hi All, We have