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From Ted Dunning <ted.dunn...@gmail.com>
Subject Re: delete znode when client's disconnect
Date Mon, 27 Jun 2011 19:48:08 GMT
So how often do resources come and go?

On Mon, Jun 27, 2011 at 10:42 AM, Yosef Arraf <yosef.arraf@gmail.com> wrote:

> a)The zookeeper holds an entries(nods) of resources
> (resource allocation framework),
>   Any component in our running environment wants to get any resource (by
> type) will ask the zookeeper to get it (attributes,location,port,...)
>   Every resource will be added as a node in the zookeeper (on
> it's bootstrap will create zKclient and add himself to the zookeeper)
>   if the client die OR the resource machine is not available - So i need to
> delete it's node.
>
>
> -Yosef.
>
> On Mon, Jun 27, 2011 at 8:27 PM, Ivan Kelly <ivank@yahoo-inc.com> wrote:
>
> > **
> > a) explain your problem more, what type of data do you want to store
> under
> > the client znode? what is the lifetime of clients? what do you expect to
> > happen when clients die?
> > b) reply to the list so others in the future can benefit from any
> > solutions/discussions
> >
> > -Ivan
> >
> >
> > On 27/06/2011 19:23, Yosef Arraf wrote:
> >
> >   any other idea?
> >
> >
> > On Mon, Jun 27, 2011 at 8:09 PM, Ivan Kelly <ivank@yahoo-inc.com> wrote:
> >
> >>  Thats not possible at the moment. Have a look at
> >> https://issues.apache.org/jira/browse/ZOOKEEPER-834
> >>
> >> -Ivan
> >>
> >>
> >> On 27/06/2011 19:02, Yosef Arraf wrote:
> >>
> >>  Hi Ivan,
> >> Thanks for the replay,
> >> we cannot use Ephemeral nodes:
> >> "Ephemeral znodes are not allowed to have children"
> >> Our Nodes have chields (/nodeid/attrebutes/type/id/...)
> >>
> >>  any other idea?
> >> Thanks,
> >> Yosef
> >>
> >>
> >>
> >> On Mon, Jun 27, 2011 at 7:40 PM, Ivan Kelly <ivank@yahoo-inc.com>
> wrote:
> >>
> >>> Hi Yosef,
> >>>
> >>> Sounds like you need to create the znode as Ephemeral.
> >>>
> >>>
> http://zookeeper.apache.org/doc/r3.3.3/api/org/apache/zookeeper/CreateMode.html#EPHEMERAL
> >>>
> >>> Regards
> >>>  Ivan
> >>>
> >>>
> >>> On 27/06/2011 17:33, Yosef Arraf wrote:
> >>>
> >>>> Hi,
> >>>> My Name is Yosef and i'm facing a problem when one of my ZooKeeper
> >>>> Clients crash or shutdown (disconnected),
> >>>> i want to delete is is znode and make it as unavailable.
> >>>>
> >>>> Any one have any Idea that can help me to solve my problem?
> >>>>
> >>>> Thanks,
> >>>> Yosef.
> >>>>
> >>>
> >>>
> >>
> >>
> >
> >
>

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