Thanks for the answers Nirmal. Very clear.
On Thu, Dec 26, 2013 at 2:09 PM, Nirmal Fernando <[email protected]>wrote: > Hi, > > Please find my answers in line. > > > On Thu, Dec 26, 2013 at 1:56 PM, Lahiru Sandaruwan <[email protected]>wrote: > >> Hi all, >> >> I need some information to get a better understanding of the LB stat >> sending procedure. >> >> What is requests in flight mean exactly? >> Is it the number of requests in the queue that are yet to be delivered to >> the cluster at the moment? >> > > Nope. it's the number of requests that has been delegated to the cluster, > but still being processed (i.e. corresponding responses not yet being > delivered to the client). > >> >> AFAIR we get RIF per 10 seconds from LB to CEP. >> How do we calculate the average, gradient, and second derivative(what is >> the exact time period and logic) that we calculate these information at >> CEP? >> > > average: RiF count as an average over a 1minute (configurable) for a > particular cluster. > gradient: linear gradient of the RiF counts over a 1minute period. > second derivative: linear change of the gradient over a 1mint period. > > I'll blog about these implementations in details soon. > >> >> Thanks in advance for your answers. >> >> 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 >> >> > > > -- > Best Regards, > Nirmal > > Nirmal Fernando. > PPMC Member & Committer of Apache Stratos, > Senior Software Engineer, WSO2 Inc. > > Blog: http://nirmalfdo.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
