> So it seems there is no mechanism is zookeeper for guaranteeing a read is 
> truly up to date with the leader. Is this true?

ZooKeeper is an eventually consistent system, not an ACID system. So, true.

On Nov 5, 2013, at 11:31 AM, Adrian Osullivan <[email protected]> wrote:

> Hi everyone!  The zk API's sync() method brings the server up to date with 
> the leader.  So the next client read should give the up to date value.  But 
> in the time between completing the sync and starting the read, another client 
> may have sent an update and the server one is connected to may again lag the 
> leader.  So it seems there is no mechanism is zookeeper for guaranteeing a 
> read is truly up to date with the leader. Is this true?
> 
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