Brilliant idea!

- hugi


On 1.9.2010, at 20:17, Pascal Robert wrote:

> I just had a crazy idea getting in my head. Since with JMX you can monitor 
> the heap memory usage and load, I was thinking of using the new REST API in 
> JavaMonitor to add and remove instances based on demand. For example, if an 
> app have only one instance and memory usage have been more than 95% for a 
> certain period of time, the instance or another tool (Nagios or even wotaskd) 
> could start a new instance to offload a bit of processing to the new 
> instance. If memory usage goes down below 30%, you put the second instance in 
> "refuse new sessions" mode and set "auto recover" to off so that you are 
> going back to one instance. That would allow apps to handle higher load when 
> you are slashdotted or any reason your app have way more requests.
> 
> I think it's something who is doable. Does anyone have tried something 
> similar? Am I crazy?
> 
> ----
> Pascal Robert
> [email protected]
> 
> AIM: MacTICanada
> Twitter : pascal_robert
> LinkedIn : http://www.linkedin.com/in/macti
> WO Community profile : http://wocommunity.org/page/member?name=probert
> 
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