Hi ZooKeepers, I just recently had an issue about getting the a node's updated data after the watch was actually fired. Being pretty confused, I read the documentation page again and sure enough this has been stated:
"A client will see a watch event for a znode it is watching before seeing the new data that corresponds to that znode." http://zookeeper.apache.org/doc/r3.1.2/zookeeperProgrammers.html Now, I'm confused about how a data watch could actually be useful... But aside from that, is this statement also true about the node's list of Children? I.e. are a node's children it's "data" too? Because if this is the case, wouldn't the recipe for barriers hang if it gets the watch for a new node addition goes off and in: if (list.size() < size) { mutex.wait(); list.size() is still smaller than size? Or is this statement about watches only true for a data on the node? Many thanks, Amir
