you should just be flexing here

> On 13 Jan 2016, at 09:19, Manoj Samel <manojsamelt...@gmail.com> wrote:
> 
> Hi,
> 
> In recent thread about existing components taking long time to heartbeat
> after upgrade; it was mentioned that "slider AM restarts itself to pick up
> Yarn parameters"
> 
> If the upgrade simply consist of starting a new component, is the AM
> restart still needed ? I.e. if the hadoop cluster configuration has not
> changed and the Yarn parameters in the slider applications have not changed
> for any components and upgrade is being used just to start a new component;
> is AM restart still needed ?
> 
> The use case is for service running large number of components. When a new
> user is enabled for service, a new component is started for that user.
> However, no changes are done for hadoop cluster or in the slider
> application configuration for any existing components. When large number of
> users (i.e. components) are already running, AM restart means these
> existing components have to be informed of new AM and vice versa.
> 
> In such cases, if AM restart is not needed, can it be avoided e.g. by
> having a new option in Upgrade command ?
> 
> Thanks,
> 
> Manoj

Reply via email to