No, they are not updated; however, stack inheritance should allow you to reference the files from the new stack. We've performed many different upgrades both both inter-stack and intra-stack and have never seen any issues with alert definitions.
> On Feb 23, 2016, at 1:13 PM, Di Li <[email protected]> wrote: > > Hello folks, > > Do RU and EU handle updating alert definitions stored in the Ambari server > database? > > Based on what I tested, alert definitions, especially the paths to > alert_***.py Python scripts are not updated by neither RU and EU. meaning if > I changed the path to the alert_***.py scripts in a new release, the alert > definitions are broken and certain components would show with a UNKNOWN alert > state after I run RU/EU. > > > P.S > I know that, post upgrade, I can manually update the alert definitions > via REST APIs. > > Thanks. > >
