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From Ming Zhang <blackmagic02...@gmail.com>
Subject Re: qmf protocol
Date Mon, 12 Oct 2009 21:06:54 GMT
ok. so if only changed value is sent out, if agent code change value
1, then value 2, will 2 messages sent out? that is still expensive? or
need to have a explicitly push action so multi change will be combined
in one message, which supposed to be more efficient? thanks.



Ming


On Mon, Oct 12, 2009 at 4:59 PM, Carl Trieloff <cctrieloff@redhat.com> wrote:
> Ming Zhang wrote:
>>
>> Hi All
>>
>> Read this http://qpid.apache.org/qmf-protocol.html and have a question
>> about it.
>>
>> "This message contains a content record. Content records contain the
>> values of all properties or statistics in an object. Such records are
>> broadcast on a periodic interval if 1) a change has been made in the
>> value of one of the elements, or 2) if a new management client has
>> bound a queue to the management exchange."
>>
>> If a full content record is sent for any value change, this sounds
>> very expensive. Why not only send up the changed value?
>>
>> Did I misunderstand something?
>
> only value that have changed after the initial broadcast or send on an
> aggregated basis on the mgnt interval
>
> Carl.
>
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