Hi suho, It does not have any impact on Siddhi's runtime performance. It just affects on metrics reporting, which runs separately.
Thanks, Grainier. On Thu, Jan 21, 2016 at 10:09 AM, Sriskandarajah Suhothayan <[email protected]> wrote: > You have not answered my Qn > > whats the impact on this when it comes to Siddhi's runtime performance ? > > Suho > > On Wednesday, January 20, 2016, Sajith Ravindra <[email protected]> wrote: > >> Hi Granier, Suho >> >> The memory calculation will be a time consuming issue since it has to >> traverse through the complete object tree. IMO, we should have the option >> of executing matrix calculation in a separate thread and report back to the >> caller with the result. >> >> I think it's a valid case to have matrices which consume time/resources >> to calculate. Therefore, it will be a good idea to make available the >> option of matrix calculation to be asynchronous and report back once done >> in carbon metrics library it self. >> >> WDYT? >> >> Thanks >> *,Sajith Ravindra* >> Senior Software Engineer >> WSO2 Inc.; http://wso2.com >> lean.enterprise.middleware >> >> mobile: +94 77 2273550 >> blog: http://sajithr.blogspot.com/ >> <http://lk.linkedin.com/pub/shani-ranasinghe/34/111/ab> >> >> On Wed, Jan 20, 2016 at 10:32 AM, Sriskandarajah Suhothayan < >> [email protected]> wrote: >> >>> I understand that Matrics reporting it getting slow. >>> >>> At the meantime whats the impact on this when it comes to Siddhi >>> performance ? >>> If Siddhi query is also getting halted for 3 sec, then this is going to >>> be a bigger problem. >>> >>> Suho >>> >>> On Wed, Jan 20, 2016 at 12:25 PM, Grainier Perera <[email protected]> >>> wrote: >>> >>>> Currently, the memory usage calculation mechanism used on a Siddhi >>>> query takes around 3 seconds. Therefore, when it comes to complex flow with >>>> several of execution plans, it takes around (# of queries * 3) seconds. >>>> Moreover, we have integrated carbon-metrics [1] (Gauges in this scenario) >>>> with CEP for metrics calculation and reporting. Therefore, if we were to >>>> use the same mechanism within the getValue() method of carbon-metrics >>>> Gauges, it will increase the reporting time consumed by scheduled reporters >>>> (per iteration) by ~(# of queries * 3) seconds. That might cause issues >>>> such as reporters does not report according to the defined PollingPeriod, >>>> takes a considerable amount of time to update and render Carbon Metrics UI, >>>> etc. Therefore, is there a way to handle such time-consuming process within >>>> Carbon Metrics Gauges? >>>> >>>> Gauge.getValue() Implementation: >>>> >>>> new Gauge<Long>() { >>>> @Override >>>> public Long getValue() { >>>> *// Below process takes ~3 seconds.* >>>> ObjectGraphMeasurer.Footprint footprint = >>>> ObjectGraphMeasurer.measure(object); >>>> return MemoryMeasurerUtil.footprintSizeEstimate(footprint); >>>> } >>>> }); >>>> >>>> [1] https://github.com/wso2/carbon-metrics >>>> >>>> Thanks, >>>> Grainier. >>>> -- >>>> Grainier Perera >>>> Software Engineer >>>> Mobile : +94716122384 >>>> WSO2 Inc. | http://wso2.com >>>> lean.enterprise.middleware >>>> >>> >>> >>> >>> -- >>> >>> *S. Suhothayan* >>> Technical Lead & Team Lead of WSO2 Complex Event Processor >>> *WSO2 Inc. *http://wso2.com >>> * <http://wso2.com/>* >>> lean . enterprise . middleware >>> >>> >>> *cell: (+94) 779 756 757 <%28%2B94%29%20779%20756%20757> | blog: >>> http://suhothayan.blogspot.com/ <http://suhothayan.blogspot.com/>twitter: >>> http://twitter.com/suhothayan <http://twitter.com/suhothayan> | linked-in: >>> http://lk.linkedin.com/in/suhothayan <http://lk.linkedin.com/in/suhothayan>* >>> >> >> > > -- > > *S. Suhothayan* > Technical Lead & Team Lead of WSO2 Complex Event Processor > *WSO2 Inc. *http://wso2.com > * <http://wso2.com/>* > lean . enterprise . middleware > > > *cell: (+94) 779 756 757 <%28%2B94%29%20779%20756%20757> | blog: > http://suhothayan.blogspot.com/ <http://suhothayan.blogspot.com/>twitter: > http://twitter.com/suhothayan <http://twitter.com/suhothayan> | linked-in: > http://lk.linkedin.com/in/suhothayan <http://lk.linkedin.com/in/suhothayan>* > > -- Grainier Perera Software Engineer Mobile : +94716122384 WSO2 Inc. | http://wso2.com lean.enterprise.middleware
_______________________________________________ Dev mailing list [email protected] http://wso2.org/cgi-bin/mailman/listinfo/dev
