Hi Malith, Please find my replies in line.
On Wed, Jun 14, 2017 at 4:17 PM, Malith Jayasinghe <[email protected]> wrote: > Did we run any performance tests on this one? > I haven't done any performance tests on the extension yet. What would be the impact of window length etc on the performance? > The implementation of the extension is such that, it returns the median for each event arrival and expiry. So, it is not recommended to use for large window sizes. > > On Tue, Jun 13, 2017 at 10:43 AM, Nihla Akram <[email protected]> wrote: > >> Hello All, >> >> We are developing a median extension for siddhi. Median is the middle >> number in a sorted list of numbers. >> >> Here, we implement a simple extension to return the median. The >> implementation uses AttributeAggregator as the base class and values are >> aggregated over the specified window to give the median. In the case of >> having two middle numbers, the extension gives the average of the two as >> the median. >> >> Supported data types >> >> Int, Double, Long, Float >> >> Return data type >> >> Double >> >> >> >> The median extension can be used for any given window implementation i.e. >> sliding time, time batch, external time and sliding length and length batch. >> >> Thanks, >> Nihla >> >> -- >> *Nihla Akram* >> Software Engineering Intern >> >> +94 72 667 9482 <%2B94%2072%6679482> >> >> > > > -- > Malith Jayasinghe > > WSO2, Inc. (http://wso2.com) > Email :[email protected] > Mobile :0770704040 > Blog :https://medium.com/@malith.jayasinghe > <https://medium.com/@malith.jayasinghe> > Lean . Enterprise . Middleware > -- *Nihla Akram* Software Engineering Intern +94 72 667 9482 <%2B94%2072%6679482>
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