The requests come from same zhandle. Cheers
On Thu, Dec 22, 2011 at 6:09 PM, Ted Yu <yuzhih...@gmail.com> wrote: > Hi, > The following originated from discussion on a feature in HBase which > relies on zookeeper for coordination. > > A task is removed from the tasks map. An async ZK request is pending to > remove the task's zk node. > > Another request arrives for this to-be-deleted task. A new in-memory > task structure is created. A ZK request is scheduled to create the same > task node. > > Problem will only occur if create-node executes before delete-node in > ZK. (If create-node returns NODEEXISTS then we treat that as success). > > Does ZK re-order async requests? > > Thanks >
