ambari-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Yusaku Sako <>
Subject Re: remove hosts ?
Date Tue, 02 Apr 2013 04:37:03 GMT
Hi Peicheng,

"deleteComponents" is for removing components from existing services, so
it's not really related to removing a host.
For removing hosts, you are looking at the ability to remove "host
A host component is a service component assigned to a specific host (e.g.,
DataNode on host A).
Removing host components has been implemented in trunk

Once all host components are removed, deleteHosts would be used to delete
the hosts from a cluster (or perhaps deleteHosts can do a cascade delete of
all existing host components on specified hosts).

As you pointed out, deleteHosts method has not been implemented.
Would you be interested in implementing that feature?

> Yusaku

On Mon, Apr 1, 2013 at 8:10 PM, PC Liao ( peicheng ) <>wrote:

> hi all,
> I try to find the deleteComponents and deleteHosts feature ,but that is not
> supported.
> Docs any plan for these feature
> and**  implementation guideline?
> from
> ambari/ambari-server/src/main/java/org/apache/ambari/server/controller/
>  @Override
>   public RequestStatusResponse deleteComponents(
>       Set<ServiceComponentRequest> request) throws AmbariException {
>     throw new AmbariException("Delete components not supported");
>   }
>   @Override
>   public void deleteHosts(Set<HostRequest> request)
>       throws AmbariException {
>     throw new AmbariException("Delete hosts not supported");
>   }

  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message