Reka, I believe that we need health checking to be a separate function from the load monitoring. We need to detect crashes and restarts. This function can be handled by the same agent, but the architecture need to allow it to be separate. Luca
Reka Thirunavukkarasu <[email protected]> wrote: >Hi Manula, > >As part of sending the health of an VM to CEP, are we sending the >health of >the process like whether it is up or not to CEP? This is obviously a >fault >handling scenario. > >@Lahiru > >Do we have a plan on how to handle this particular scenario? If we are >to >send periodic updates from VM on it's process status like port up or >not, >then we need to generalize the protocol to check the port rather than >just >checking the http or https port's status only. > >Thanks, >Reka > >On Fri, Nov 22, 2013 at 2:52 AM, Lahiru Sandaruwan <[email protected]> >wrote: > >> >> >> >> On Fri, Nov 22, 2013 at 3:17 PM, Manula Chathurika Thantriwatte < >> [email protected]> wrote: >> >>> Hi Lahiru, >>> >>> Thanks for the update. We can find used memory / total memory from >the >>> health checker module and send those values to CEP. From CEP side we >can >>> find avarage, gradient and second derivative of memory consumption. >>> >> >> Great, that would do. >> >> Thanks. >> >>> >>> >>> On Fri, Nov 22, 2013 at 3:14 PM, Lahiru Sandaruwan ><[email protected]>wrote: >>> >>>> >>>> >>>> >>>> On Fri, Nov 22, 2013 at 3:09 PM, Manula Chathurika Thantriwatte < >>>> [email protected]> wrote: >>>> >>>>> Hi Lahiru, >>>>> >>>>> What do you mean by combine the Total memory and Used memory ? >>>>> >>>> >>>> It is Used Memory as a fraction of Total memory. We better use the >>>> percentage as it will give some nice numbers... >>>> >>>>> >>>>> >>>>> On Fri, Nov 22, 2013 at 3:07 PM, Manula Chathurika Thantriwatte < >>>>> [email protected]> wrote: >>>>> >>>>>> Hi Lahiru, >>>>>> >>>>>> Yes, can do it. I'll do the necessary changes. >>>>>> >>>>>> >>>>>> On Fri, Nov 22, 2013 at 2:55 PM, Lahiru Sandaruwan ><[email protected]>wrote: >>>>>> >>>>>>> Manula, >>>>>>> >>>>>>> Sorry for my late feedback. >>>>>>> >>>>>>> Is it possible to combine the Total memory and Used memory and >send >>>>>>> the "Memory consumption" average, gradient, and SD from CEP >side. >>>>>>> >>>>>>> Because what Autoscaler is interested in is that. >>>>>>> >>>>>>> Thanks. >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> On Wed, Nov 20, 2013 at 9:28 AM, Manula Chathurika Thantriwatte >< >>>>>>> [email protected]> wrote: >>>>>>> >>>>>>>> Hi Lahiru, >>>>>>>> >>>>>>>> Yes, those values are same like average, gradient, and second >>>>>>>> derivative. >>>>>>>> >>>>>>>> Events are, >>>>>>>> >>>>>>>> average-total-memory >>>>>>>> average-load-average >>>>>>>> average-used-memory >>>>>>>> >>>>>>>> gradient-total-memory >>>>>>>> gradient-load-average >>>>>>>> gradient-used-memory >>>>>>>> >>>>>>>> second-derivative-total-memory-stats >>>>>>>> second-derivative-used-memory-stats >>>>>>>> second-derivative-load-average-stats >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> On Tue, Nov 19, 2013 at 11:39 PM, Lahiru Sandaruwan < >>>>>>>> [email protected]> wrote: >>>>>>>> >>>>>>>>> Hi Manula, >>>>>>>>> >>>>>>>>> Can you please share the events that would be emitted from >Event >>>>>>>>> Processing Engine to health stat topic? >>>>>>>>> I'm aware that LB statistic average, gradient, and second >>>>>>>>> derivative are there. >>>>>>>>> >>>>>>>>> What about CPU load and memory consumption, will they be same >>>>>>>>> values like average, gradient, and second derivative? >>>>>>>>> >>>>>>>>> Thanks. >>>>>>>>> >>>>>>>>> -- >>>>>>>>> -- >>>>>>>>> Lahiru Sandaruwan >>>>>>>>> Software Engineer, >>>>>>>>> Platform Technologies, >>>>>>>>> WSO2 Inc., http://wso2.com >>>>>>>>> lean.enterprise.middleware >>>>>>>>> >>>>>>>>> email: [email protected] cell: (+94) 773 325 954 >>>>>>>>> blog: http://lahiruwrites.blogspot.com/ >>>>>>>>> twitter: http://twitter.com/lahirus >>>>>>>>> linked-in: >http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146 >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> Regards, >>>>>>>> Manula Chathurika Thantriwatte >>>>>>>> Software Engineer >>>>>>>> WSO2 Inc. : http://wso2.com >>>>>>>> lean . enterprise . middleware >>>>>>>> >>>>>>>> email : [email protected] / [email protected] >>>>>>>> phone : +94 772492511 >>>>>>>> blog : http://manulachathurika.blogspot.com/ >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> -- >>>>>>> Lahiru Sandaruwan >>>>>>> Software Engineer, >>>>>>> Platform Technologies, >>>>>>> WSO2 Inc., http://wso2.com >>>>>>> lean.enterprise.middleware >>>>>>> >>>>>>> email: [email protected] cell: (+94) 773 325 954 >>>>>>> blog: http://lahiruwrites.blogspot.com/ >>>>>>> twitter: http://twitter.com/lahirus >>>>>>> linked-in: >http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146 >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> Regards, >>>>>> Manula Chathurika Thantriwatte >>>>>> Software Engineer >>>>>> WSO2 Inc. : http://wso2.com >>>>>> lean . enterprise . middleware >>>>>> >>>>>> email : [email protected] / [email protected] >>>>>> phone : +94 772492511 >>>>>> blog : http://manulachathurika.blogspot.com/ >>>>>> >>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> Regards, >>>>> Manula Chathurika Thantriwatte >>>>> Software Engineer >>>>> WSO2 Inc. : http://wso2.com >>>>> lean . enterprise . middleware >>>>> >>>>> email : [email protected] / [email protected] >>>>> phone : +94 772492511 >>>>> blog : http://manulachathurika.blogspot.com/ >>>>> >>>>> >>>>> >>>>> >>>> >>>> >>>> -- >>>> -- >>>> Lahiru Sandaruwan >>>> Software Engineer, >>>> Platform Technologies, >>>> WSO2 Inc., http://wso2.com >>>> lean.enterprise.middleware >>>> >>>> email: [email protected] cell: (+94) 773 325 954 >>>> blog: http://lahiruwrites.blogspot.com/ >>>> twitter: http://twitter.com/lahirus >>>> linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146 >>>> >>>> >>> >>> >>> -- >>> Regards, >>> Manula Chathurika Thantriwatte >>> Software Engineer >>> WSO2 Inc. : http://wso2.com >>> lean . enterprise . middleware >>> >>> email : [email protected] / [email protected] >>> phone : +94 772492511 >>> blog : http://manulachathurika.blogspot.com/ >>> >>> >>> >>> >> >> >> -- >> -- >> Lahiru Sandaruwan >> Software Engineer, >> Platform Technologies, >> WSO2 Inc., http://wso2.com >> lean.enterprise.middleware >> >> email: [email protected] cell: (+94) 773 325 954 >> blog: http://lahiruwrites.blogspot.com/ >> twitter: http://twitter.com/lahirus >> linked-in: http://lk.linkedin.com/pub/lahiru-sandaruwan/16/153/146 >> >> > > >-- >Reka Thirunavukkarasu >Software Engineer, >WSO2, Inc.:http://wso2.com, >Mobile: +94776442007 -- Sent from my Aphone with K-9 Mail. Please excuse my brevity.
