Zookeeper is Sequential Consistency Updates from a client will be applied in the order that they were sent.
On Sat, Jun 27, 2015 at 8:18 PM, Ted Yu <[email protected]> wrote: > bq. non strictly consistency of Zookeeper > > Can you elaborate on what the above means ? > > please read this: > > http://zookeeper.apache.org/doc/trunk/zookeeperProgrammers.html#ch_zkGuarantees > > Cheers > > On Sat, Jun 27, 2015 at 7:20 AM, Shushant Arora <[email protected] > > > wrote: > > > How Hbase uses Zookeeper for Master selection and region server failure > > detection when Zookeeper is not strictly consistent. > > > > Say In Hbase Master selection process, how does a node is 100 % sure > that a > > master is created ? Does it has to create the /master node and that node > > already exists will thow node exists excpetion . Since only by reading > (ls > > /) . It may get stale data and gets node does not exists.but in actual > > /master was present. > > > > Does there any issue with non strictly consistency of Zookeeper for > Hbase? > > >
