Julien, I do think it is a useful feature to have. Yes, it is possible to remove host components with the REST API. You first put the host component to be deleted in MAINTENANCE state [1]. Once you do that, you can invoke DELETE on that host component resource:
[1] https://github.com/apache/ambari/blob/trunk/ambari-server/docs/api/v1/host-component-resources.md Yusaku On Thu, May 30, 2013 at 9:33 AM, Julien Naour <[email protected]> wrote: > Hi Yusaku, > > Thank you for your quick response. > > I think it could be usefull in a dev perspective to add and remove > services from the WebUI. Is it possible from the REST API ? > > Julien > > > 2013/5/30 Yusaku Sako <[email protected]> > >> Hi Julien, >> >> Customizing configs on specific hosts is an experimental feature that you >> can try out if you are audacious (not yet production ready) by turning on a >> flag in one of the files for the web UI. We will be hardening and >> officially releasing this feature in the near future. >> You cannot remove a service from a node from the web UI. Do you want to >> file a feature request JIRA for that? >> >> Yusaku >> >> >> >> >> >> >> On Thu, May 30, 2013 at 4:53 AM, Julien Naour <[email protected]> wrote: >> >>> Hi, >>> Is it possible to customize a node configuration on a specific node? >>> I installed a 4-nodes cluster. There is 4 HDD on 3 of my nodes and 3 on >>> the last. >>> I can't manage to find a way to change the configuration of my node on >>> this specific node. >>> I want to change datanode directories and mapreduce directories on that >>> specific node >>> Is there a way to do that ? >>> >>> An other question : Is it possible to remove a service on a node after >>> you add it ? I can't manage to find a way to do that. >>> >>> Regards, >>> >>> Julien Naour >>> >> >> >
