Yes, may be in the subscription UI, we could add an alert. But, we should come up with a design on how to get it to there.
On Thu, Jan 9, 2014 at 10:36 AM, Isuru Haththotuwa <[email protected]> wrote: > On Thu, Jan 9, 2014 at 10:25 AM, Nirmal Fernando > <[email protected]>wrote: > >> Hi Lahiru, >> >> I'm sorry, but I don't get your point here and also I don't understand >> how the proposed solution would solve this problem (what if there's an >> error and that made member activation event to not sent ever). >> >> I wonder whether we need to be concerned on this kind of issues. >> > > I agree that this is an optimization. But if there is an error, IMHO it is > better to notify the user (maybe printing a log statement) that the > activation is not received continuously for the last n number of instances > spawned, without keep on terminating and re-spawning. > >> >> >> On Thu, Jan 9, 2014 at 10:00 AM, Isuru Haththotuwa <[email protected]>wrote: >> >>> +1. We can make the waiting time x2 each time, but there should be a >>> ceiling value as well. >>> >>> >>> On Wed, Jan 8, 2014 at 11:28 PM, Lahiru Sandaruwan <[email protected]>wrote: >>> >>>> Hi all, >>>> >>>> Currently if an instance is not joined after a timeout, we will >>>> terminate the instance and it will be removed from the pending state. >>>> Then the Autoscaler will decide to spawn more instances according to >>>> the rules, to cover terminated instances. >>>> If there is an error which blocks sending member activate event( in the >>>> cartridge, network or at any other place), system will be terminating and >>>> starting instances continuously, which is an utter waste of resources. >>>> >>>> So I suggest following scenario, >>>> >>>> We keep a count of unactivated instances per cluster. If this count >>>> exceeds a limit( say 3 - should be configurable), we will increase waiting >>>> time on the next instance activation. May be we keep increasing. >>>> We can reset the count when ever a member activation received. >>>> >>>> Wdyt? >>>> >>>> Thanks. >>>> >>>> Sent from my mobile. >>>> >>> >>> >>> >>> -- >>> Thanks and Regards, >>> >>> Isuru H. >>> Software Engineer, WSO2 Inc. >>> +94 716 358 048* <http://wso2.com/>* >>> >>> >>> >> >> >> -- >> Best Regards, >> Nirmal >> >> Nirmal Fernando. >> PPMC Member & Committer of Apache Stratos, >> Senior Software Engineer, WSO2 Inc. >> >> Blog: http://nirmalfdo.blogspot.com/ >> > > > > -- > Thanks and Regards, > > Isuru H. > Software Engineer, WSO2 Inc. > +94 716 358 048* <http://wso2.com/>* > > > -- Best Regards, Nirmal Nirmal Fernando. PPMC Member & Committer of Apache Stratos, Senior Software Engineer, WSO2 Inc. Blog: http://nirmalfdo.blogspot.com/
