Hi Luca,
On Fri, Nov 22, 2013 at 8:56 PM, Nirmal Fernando <[email protected]>wrote: > Hi Luca, > > > On Sat, Nov 23, 2013 at 6:55 AM, Luca Martini <[email protected]> wrote: > >> 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. >> > > As Nirmal explained, then we can have the health monitoring as part of the > agent as a separate functionality. > Thanks, Reka > 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 >>> >>> >>> >>> >> -- >> Sent from my Aphone with K-9 Mail. Please excuse my brevity. >> > > > > -- > Best Regards, > Nirmal > > Nirmal Fernando. > PPMC Member & Committer of Apache Stratos, > Senior Software Engineer, WSO2 Inc. > > Blog: http://nirmalfdo.blogspot.com/ > -- Reka Thirunavukkarasu Software Engineer, WSO2, Inc.:http://wso2.com, Mobile: +94776442007
