the yahoo services mention use asynchronous operations a lot. during startup and reconfig they would have to modify a bunch of znodes. by shooting off the modifications asynchronously, they were able to drastically reduce the startup and reconfig time.
ben On Wed, Feb 8, 2012 at 2:09 PM, Pierre Louis Aublin <[email protected]> wrote: > Hello everybody > > I would like to know if the asynchronous operations of the client API are > often used in applications that use Zookeeper. > In [1] I found 3 applications built on Zookeeper (the Yahoo! Fetching > Service, Katta and the Yahoo! Message Broker). However, I do not find if > they use the synchronous or asynchronous operations. > > The big question I am trying to answer is : is it relevant to consider a > closed-loop model in order to benchmark replicated services (Zookeeper being > a good candidate to build replicated services)? Can you give me any clue on > that? > > Thanks in advance > Pierre Louis Aublin > > [1] ZooKeeper: Wait-free Coordination for Internet-scale Systems, Patrick > Hunt and Mahadev Konar, /Yahoo! Grid;/ Flavio P. Junqueira and Benjamin > Reed, /Yahoo! Research/
