Hello,
I can set a watch on an object in librados. Does this object have to
exist already at the moment I'm setting the watch on it? What happens if
the object does not exist? Is my watcher valid? Will I get notified when
someone else creates the missing object that I'm watching and sends a
notification?
If the watch is not valid if the object has not yet been created then
how can I get notified when the object is created? (I can imagine a
work-around: there's an additional object, a kind of object registry
object (the equivalent of a directory in a file system), that contains
the list of created objects. I'm watching for modifications of the
object registry object. Whenever a new object is created, the agent that
creates the object also updates the object registry object.)
Thank you,
Sorin
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