[Architecture] Implementing Markov Chains in CEP

2014-11-05 Thread Seshika Fernando
Hi all, A Markov Chain is a memoryless, random process which undergoes transitions from one state to another on a defined state space. Markov chains are quite useful in outlier detection mechanisms and we are currently in the process of implementing Outlier detection using Markov Chains in CEP. [1

Re: [Architecture] [CEP][Siddhi]Draft interface for Siddhi window data structure implementations

2014-11-05 Thread Tishan Dahanayakage
Hi all, Please find the draft implementation at [1]. Removed getIterator() for the moment and also changed find method to return List of events if multiple matches happen. [1] https://github.com/wso2-dev/siddhi/blob/Siddhi-3.0.0/modules/siddhi-core/src/main/java/org/wso2/siddhi/core/util/collectio

Re: [Architecture] Feature Level Automation Testing

2014-11-05 Thread Krishantha Samaraweera
Meeting notes Participants - Azeez, Sameera, SameeraP, Kishanthan, KasunG, Niranjan, Krishantha, Irham, Suhan - Irham did a demo on feature tests done upto now. - Mainly discussed on dependency management for feature tests. - Necessity of having well defined dependency hiera

Re: [Architecture] Creating a new cache for Registry path, UUID mapping

2014-11-05 Thread Pulasthi Supun
Hi All, This was completed and added. Regards, Pulasthi On Thu, Sep 11, 2014 at 10:02 AM, Pulasthi Supun wrote: > Hi Senaka > > No there is no cache currently added for this will update with the > progress after adding this. > > Regards, > Pulasthi > > On Thu, Sep 11, 2014 at 2:46 AM, Senaka F

Re: [Architecture] RFC: Doing Bulk Events Updates to HDFS instead of Cassandra

2014-11-05 Thread Frank Leymann
Hi Srinath, I assume the scenarios you intend to support by such file manipulations do not require typical database functionality like concurrent access, atomicity of sets of manipulations, random and selective access (aka queries) etc.. Am I right? Best regards, Frank 2014-11-05 3:56 GMT+01:00