[Architecture] Stratos Membership Scheme for Automatically Discovering Carbon Instances in a Carbon Cluster

2015-07-22 Thread Imesh Gunaratne
​Hi All, We implemented a new Carbon membership scheme for Carbon servers for automatically discovering the Hazelcast cluster via the Stratos topology. This is for automatically discovering Carbon instances in a Carbon cluster when running on Private PaaS. In the previous version of the Private

Re: [Architecture] [App Factory] Stratos 4.1.0 Upgrade

2015-07-22 Thread Imesh Gunaratne
Hi Punnadi, In the above diagram there is a separate UM database for App Cloud + API Cloud. Don't we need to use the same UM database for both App Cloud + API Cloud and Stratos? Thanks On Sat, Jul 18, 2015 at 11:28 AM, Punnadi Gunarathna punn...@wso2.com wrote: Hi All, While working with

Re: [Architecture] Better Understanding Linux Tools for performance Monitoring

2015-07-22 Thread Isuru Perera
Hi, I wrote a blog post on generating Java CPU Flame Graphs with linux perf [1]. With these flame graphs, we can see system code paths in addition to java code paths. Thanks! Best Regards, [1] http://isuru-perera.blogspot.com/2015/07/java-cpu-flame-graphs.html http://bit.ly/1MHz3YC On Tue,

Re: [Architecture] IS Workflow Implementation - Issues in AddUser Workflow

2015-07-22 Thread Frank Leymann
Dear Chamila, in summary, you are implementing a pessimistic offline lock, right? http://martinfowler.com/eaaCatalog/pessimisticOfflineLock.html Best regards, Frank 2015-07-22 7:23 GMT+02:00 Chamila Wijayarathna cham...@wso2.com: Hi all, Currently we are in the process of implementing

Re: [Architecture] Workflow Implementation in IS 5.1.0

2015-07-22 Thread Frank Leymann
Great! Is our gut feeling that the same is true also in other cases in which WSO2 products benefit from BPS (e.g. ES)? That would be good progress :-) Best regards, Frank 2015-07-20 6:15 GMT+02:00 Chathura Ekanayake chath...@wso2.com: Hi Frank, ​This does not solve the problem of missing

Re: [Architecture] Stratos Membership Scheme for Automatically Discovering Carbon Instances in a Carbon Cluster

2015-07-22 Thread Sameera Jayasoma
On Thu, Jul 23, 2015 at 2:10 AM, Imesh Gunaratne im...@wso2.com wrote: ​Hi All, We implemented a new Carbon membership scheme for Carbon servers for automatically discovering the Hazelcast cluster via the Stratos topology. This is for automatically discovering Carbon instances in a Carbon

[Architecture] RFC: IoT Analytics, What we should do?

2015-07-22 Thread Srinath Perera
I have read and thought about this a bit. Here is my version, please comment. *Level 1:* Single device level analytics. Show the data in graph, map, send an Alarm it is too high .. etc ( we have this mostly) Tasks 1. Inbuilt analytics for well known properties like location etc 2.

Re: [Architecture] Stratos Membership Scheme for Automatically Discovering Carbon Instances in a Carbon Cluster

2015-07-22 Thread Akila Ravihansa Perera
Hi Imesh, Is there a repo for Carbon kernel extension point implementation? I would like to contribute :) I think we can push this feature to a P2 repo and install it when we are building the product (for eg: Stratos) distribution. That would be cleaner than copying the jar to dropins. Thanks.

Re: [Architecture] Stratos Membership Scheme for Automatically Discovering Carbon Instances in a Carbon Cluster

2015-07-22 Thread Afkham Azeez
The Hazelcast community is also working on implementing a Kubernetes based discovery implementation. On Thu, Jul 23, 2015 at 8:00 AM, Sameera Jayasoma same...@wso2.com wrote: On Thu, Jul 23, 2015 at 2:10 AM, Imesh Gunaratne im...@wso2.com wrote: ​Hi All, We implemented a new Carbon

Re: [Architecture] IS Workflow Implementation - Issues in AddUser Workflow

2015-07-22 Thread Chamila Wijayarathna
Hi Frank, yes, one of the main requirements I am trying to address is handling adding duplicate users. Also as I mentioned in my previous mail, we need a way so that an admin user can see list of people with those who are still in workflows and not accepted. Thanks On Wed, Jul 22, 2015 at 5:37